7 violations recorded in 2025
Health Violations Found
C 59

Perryville, MD (21903): 5 Health Violations — 59/100

EPA data for Town of Perryville

Health Violations Found

In the federal compliance record, 21903 in Perryville, MD carries 5 violations in the health-based tier — each one marks a reporting cycle where a contaminant concentration was measured above the applicable EPA MCL, placing the system under formal notification and corrective-action obligations.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: April 2, 2026

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Today's Safety: Poor
AQI 90 Violations: 7 active Alerts: 0
2026-06-03
Your water right now: 5 health violations
AQI: 90 (Moderate) Lead: 2.0 ppb
See details ↓
Updated: 2026-06-03
Safety Score
C 59/100
▲ +3 vs last year
Water Quality Issues 5 health violations
Lead Risk Safe 0.002 mg/L
Flood Risk Moderate 62 claims
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records show 5 health-based violations and 10 non-health on the water system serving this ZIP (5-year window).
  • Lead Lead reading of 0.002 mg/L is well below EPA action level.
  • Radon EPA Zone 2 — moderate predicted indoor radon (2–4 pCi/L).
  • Flood 62 cumulative NFIP flood claims — moderate flood history.
Contaminant Summary
Health Violations
15 / 7 exceed limits
7 tested 15 violations 5 health-based 2 risks identified
Data updated: Apr 2026 All data sources current

What’s Happening in Perryville, Maryland

5 active health-based violations are currently on record for the water system serving this ZIP.

What's Happening

improving

Grade changed to C

Your ZIP upgraded from grade D to C.
Water quality score improved from 54 to 59 since March 2026.

Updated 2026-06-03 · Based on EPA and public utility data

C
Home Safety Score: 59 / 100
↑ +3 vs 2025
7
Water Systems
4,413
People Served
5
Health Violations (5yr)Median is 0 — most ZIPs have none
Surface water
Water Source
0.002 mg/L
Lead Level
Zone 2
Radon Risk · Moderate
$272K
Median Home Value32% below state median ($401K)
Your #1 Priority

Consider a whole-home water filter

This water system has 5 health-based violations in the past 5 years — significantly more than the national median of 0. A certified water filter can reduce contaminant exposure.

Under-sink filter: $150–$400. Whole-home system: $1,000–$3,000 installed. NSF Certified Filters →

Recommended Buyer Guides for This ZIP

Independent guides — grounded in EPA, NSF, FEMA, and CDC standards. Matched to risks detected in your area.

This Summer — what to check

Season-specific maintenance for home safety. Universal tasks — apply everywhere unless noted.

  • Water Heater

    Flush sediment (1–2×/year). Cuts energy use and prevents bacterial growth in low-use hot-water pockets.

    Source: DOE
  • Wildfire & Smoke

    Clear leaves and debris from gutters and the 30-ft home-ignition zone. Replace HVAC filters with MERV 13+.

    Source: Firewise
  • HVAC Filter

    Peak AC run. Replace filters monthly during high pollen / wildfire-smoke days; standard interval otherwise.

    Source: EPA IAQ

Get notified when water quality changes in your area

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EPA Violations: more than 89% of U.S. ZIP codes Health Violations: more than 94% of U.S. ZIP codes Flood Claims: more than 81% of U.S. ZIP codes

How Perryville Compares

Safety Score vs. Cecil County and Maryland averages

Safety Score
Perryville
59
Cecil County
63
Maryland avg
61
5.6x more violations than county average Lead level 62% below county average
Metric Perryville Cecil County Maryland
Safety Score 59 63 61
EPA Violations (total) 15 2.7 1.8
Lead (ppb) 2 5.3 2.7

County and state averages computed from 41,344 ZIP codes. Data: EPA SDWIS.

🔴
Critical Risk Signals
Multiple high-priority conditions detected — action recommended

Each number below connects you directly to a licensed specialist contractor in your area. Calls are free.

62 FEMA flood insurance claims filed in this ZIP

Average claim payout: $20,198

14 claims in the past 5 years

Median home age: 55 years — older homes have higher mold risk after flooding

What to do Schedule a professional mold inspection, especially in basements and crawl spaces. Consider flood insurance if not already covered.
Estimated cost: $300–$600 for mold inspection, $1,500–$5,000 for remediation

5 health-based water quality violations on record

15 total EPA violations recorded for Town of Perryville

Recent EPA enforcement actions against this water system

What to do Review your water system's Consumer Confidence Report. Consider installing a whole-house water filtration system.
Estimated cost: $300–$800 for under-sink RO, $1,500–$3,500 for whole-house filter

🔍Key Insights for Perryville 21903

Derived from EPA, Census, FEMA, and EIA data — exclusive to ZipCheckup

Water System Reliability
35 /100 Poor
Reliability score based on violation trends, system size, CCR compliance, and enforcement history. The national median is 10/100.
Infrastructure Investment Gap
$9,750
Estimated per-household infrastructure deficit based on housing age, pipe materials, lead risk, and water system violations. That's 975.0x the national median of $10.
Seasonal Risk
High Seasonal
Year-round contamination risk from seasonal factors: radon peaks in winter, flooding in spring, air quality in summer. Key factors: Moderate radon zone, High flood zone (A12), High flood claim history, Some aging infrastructure, Moderate air quality concerns.
Environmental Justice Index
50 /100 High
Communities with high violations, low income, and environmental hazards face disproportionate risk. Higher score = greater environmental justice concern. The national median is 10/100.
Home Purchase Risk
61 /100 Moderate Risk
Composite "should I buy here?" score for homebuyers. Weighs water quality (25%), flood risk (20%), lead (15%), energy costs (15%), housing age (10%), radon (10%), and air quality (5%). The national median is 10/100.
Methodology: Lead exposure combines EPA LCR testing, Census housing age (ACS B25034), and LCRI service line estimates. Maintenance debt uses Census median build year and NAHB equipment lifespan data. Compliance risk weights health violations, unresolved issues, and EPA enforcement actions. Energy burden uses EIA state rates and Census B19013 median income. Flood cost uses FEMA NFIP claims data (1978–2024) divided by housing units. Water system reliability cross-references violation trends, system size, CCR compliance, and enforcement history. Infrastructure gap estimates deferred costs from housing vintage, pipe materials, and lead detection. Seasonal risk combines radon zones, flood zones, housing age, and air quality data. Environmental justice index weights violations, income disparity, Superfund proximity, and enforcement actions. Home purchase risk is a weighted composite of all environmental and infrastructure factors. Full methodology →
📊 ZipCheckup Cross-Reference Engine · Updated March 2026 · View source →

Score Breakdown

How your Home Safety Score of 53 is calculated.

Water
5/25
Lead
25/25
Radon
13/25
Flood
10/25
53 = Water 5/25 + Lead 25/25 + Radon 13/25 + Flood 10/25

Score improved by 3 points over 90 days.

Safety & Health (9) HIGH

Compliance Alerts for 21903

3 issues flagged based on EPA data, state regulations, and housing age estimates.

Lead Pipes
Action Needed
High probability of lead service lines. Test water and consider filter.
Electrical Panels
Monitor
FPE/Zinsco panel risk — 58
Radon Risk
Monitor
EPA Radon Zone 2 — moderate potential. Consider home radon test.

Estimates based on EPA data, U.S. Census ACS housing vintage, and state regulations. Individual homes may vary.

📊 EPA + Census ACS + State Regs · Updated March 2026

Compliance Risk Forecast

Probability of future drinking water violations based on historical patterns, enforcement trends, and system size.

High Risk ▲ Increasing trend

95% probability of new violation within 2 years

1-Year 95%
2-Year 95%
3-Year 95%

Based on 15.37 events/year rate. Model uses Poisson distribution with trend and system-size adjustments.

Service Disruption Risk

Critical
95%

95% estimated probability of a boil water advisory or service interruption in the next 90 days.

Based on infrastructure age, EPA violation history, flood exposure, and seasonal patterns.

Contributing Factors
Violation History
+30%
Health Violations
+30%
Infrastructure Age
+20%
Seasonal Baseline
+10%
Flood Exposure
+10%

Estimates based on EPA enforcement data, U.S. Census ACS housing vintage, and FEMA flood claims. Not a guarantee of disruption.

📊 EPA + Census ACS + FEMA · Updated March 2026

Your Water System

ZIP code 21903 in Perryville, Maryland is served by Town of Perryville (EPA ID: MD0070018). This system provides water to approximately 4,413 people from surface water sources.

There are 7 community water systems serving this area.

Home Safety Score: C (59/100)

Based on water quality violations, lead levels, and radon risk in your area. This score is better than 28% of ZIP codes nationally and 48% in Maryland.

Factor Status Details
Water Quality poor 15 violations, 5 health-based
Lead in Water safe 0.002 mg/L (EPA action level: 0.015 mg/L)
Radon Risk Moderate Zone 2
Gas Safety low 1 incidents, score 1/100
Wildfire Smoke low score 16/100, 0 county fires (5yr)
Earthquake Risk Very Low score 2.2/50
Superfund NPL Moderate nearest 5.5 mi (Woodlawn County Landfill), 1 sites within 10 km

Lead & Copper in Your Water

The EPA requires water systems to monitor lead and copper levels under the Lead and Copper Rule.

Metal Measured Level EPA Action Level Status Sample Date
Lead 0.002 mg/L 0.015 mg/L Within limit N/A

Radon Risk

Radon Zone 2 — Moderate potential (Cecil County)

EPA recommends homes consider radon testing. Zone 2 indicates moderate radon potential (predicted average indoor radon screening level between 2 and 4 pCi/L).

CO & Gas Safety

Gas Distribution Risk: Low (score: 1/100)

1 gas distribution incident recorded in this county since 2004. Most recent: 2008.

The CPSC recommends CO detectors on every level of your home. Have gas appliances inspected annually by a licensed technician.

Wildfire & Smoke Risk

Smoke Risk: Low (score: 16/100)

No wildfires recorded in this county over the past 5 years. Nearest recent wildfire: 44 km (27 miles).

Monitor air quality at AirNow.gov during fire season (June–November). A HEPA air purifier can reduce indoor PM2.5 by up to 80% during smoke events.

Earthquake & Seismic Risk

Risk Rating: Very Low (score: 2.2/50)

Metric Value
Risk Score 2.2
Risk Rating Very Low
Annual Frequency < 0.001 damaging events/yr
Expected Annual Loss $124K (Relatively Low)

Monitor seismic activity at the USGS Earthquake Map. Secure heavy furniture, maintain an emergency kit, and know your gas shutoff location.

Superfund Site Proximity

Proximity Risk: Moderate (score: 41/100)

Nearest NPL site: Woodlawn County Landfill at 5.5 miles (8.9 km).

Radius NPL Sites
Within 5 km (3.1 mi) 0
Within 10 km (6.2 mi) 1
Within 25 km (15.5 mi) 8

Nearest NPL Sites

  • Woodlawn County Landfill — 5.5 mi (Construction Complete), listed 07/22/1987
  • Aberdeen Proving Ground (Michaelsville Landfill) — 8.5 mi (Construction Complete), listed 10/04/1989
  • Ordnance Products, Inc. — 8.5 mi (Construction Complete), listed 09/25/1997
  • Sand, Gravel and Stone — 9.3 mi (Construction Complete), listed 09/08/1983
  • Dwyer Property Ground Water Plume — 11.9 mi (Active Cleanup), listed 03/10/2011

Search nearby sites at the EPA Superfund Site Search. If you garden or use well water near an NPL site, consider soil and water testing.

Violation Summary

5 health-based violations recorded in the past 5 years. 6 violations remain unresolved.

Recent Violations

Date Contaminant Type Status
July 2, 2025 Stage 2 DBP Rule Monitoring Unresolved
July 1, 2025 Haloacetic Acids (HAA5) Health-based Unresolved
July 1, 2025 Contaminant 2959 Monitoring Unresolved
April 1, 2025 Contaminant 2051 Monitoring Resolved
April 1, 2025 Haloacetic Acids (HAA5) Health-based Unresolved
October 17, 2024 Stage 2 DBP Rule Health-based Resolved
October 17, 2024 Stage 2 DBP Rule Monitoring Resolved
October 17, 2024 Stage 2 DBP Rule Health-based Resolved
October 17, 2024 Stage 2 DBP Rule Monitoring Resolved
October 1, 2024 Stage 1 DBP Rule Monitoring Resolved
October 1, 2024 Surface Water Treatment Rule Monitoring Resolved
April 1, 2024 Radium-228 Monitoring Unresolved
March 20, 2023 Fecal Coliform Monitoring Resolved
March 1, 2023 Contaminant 0800 Health-based Unresolved

Contaminants Detected

The following contaminants have been flagged in EPA records for water systems serving this ZIP code:

Contaminant Category Violations Health-Based
Stage 2 DBP Rule Treatment Technique 5 Yes
Stage 1 DBP Rule Treatment Technique 2 No
Haloacetic Acids (HAA5) Disinfection Byproducts 2 Yes
Contaminant 2051 Other 1 No
Contaminant 0800 Other 1 Yes
Fecal Coliform Microbiological 1 No
Contaminant 2959 Other 1 No
Surface Water Treatment Rule Treatment Technique 1 No
Radium-228 Radionuclides 1 No

Health Risk Details

Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)

Cancer risk; reproductive & developmental effects At-risk groups: pregnant women, infants, long-term consumers of chlorinated municipal water.

Removal methods: granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →

Energy Costs in MD

Residential electricity rate: 20.61¢/kWh — 21% above the national average (17.0¢/kWh).

High electricity rates in Maryland make energy-efficient appliances and heat pumps particularly valuable for reducing utility bills.

Energy Sources

Maryland generates 9.5% of its electricity from renewable sources — 17% below the national average of 26.9%. Including nuclear, 48.8% of the state's power is carbon-free (EIA 2025).

Source Share
Natural gas 42.5%
Nuclear 39.3%
Coal 6.1%
Hydroelectric 4.2%
Solar 3.5%
Wind 1.8%
Petroleum 1%

Need help with your water quality?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

Water Systems Serving This Area

System Name EPA ID Population Source
Town of Perryville MD0070018 4,413 Surface water
Town of North East MD0070016 8,600 Surface water
TOWN OF CHARLESTOWN MD0070029 3,791 Groundwater
Mountain Hill Water Company MD0070034 2,154 Surface water
Perry Point V.a. Medical Center MD0070017 2,000 Surface water
Chestnut Point Estates Distribution Sys. MD0070251 32 Groundwater
Graymount Apartments MD0070203 27 Groundwater

What You Can Do

  1. Request your water system's Consumer Confidence Report (CCR) — Your utility is required to publish this annually
  2. Consider a home water test — Independent testing can reveal issues in your specific plumbing
  3. Install a certified water filter — NSF-certified filters can address specific contaminants
  4. Contact your water provider — Ask about current treatment and any ongoing remediation

Need help with water testing or filtration?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

Other Water Quality Reports in Maryland

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Town of Perryville (MD0070018) on EPA.gov.

Frequently Asked Questions

Is the tap water in 21903 safe to drink?

Perryville's water system has recorded 5 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.

Where does 21903's water come from?

The primary water source for this area is surface water. Town of Perryville serves approximately 4,413 people.

How can I get my water tested?

Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.

Does 21903 have lead in the water?

Lead and Copper Rule sampling data for ZIP code 21903 shows a lead level of 0.002 mg/L, which is below the EPA action level of 0.015 mg/L. Still, older homes with lead service lines or pre-1986 plumbing may have higher levels at individual taps.

What is the radon risk in 21903?

ZIP code 21903 (Cecil County) falls in EPA Radon Zone 2, indicating moderate radon potential. Zone 2 areas have moderate radon potential, and the EPA recommends considering radon testing for homes in this area.

USGS reports that 5 of the top compounds applied across the surrounding county are flagged by the EPA for drinking-water monitoring — see the agricultural pesticide-use section

📊 EPA Safe Drinking Water · Updated March 2026 · View source →

Contaminant Stress Analysis

Statistical envelope (p10/p50/p90) of measured contaminant levels compared to EPA Maximum Contaminant Levels (MCL). Based on enforcement and compliance monitoring data.

Total Trihalomethanes (UG/L) 5 measurements
▬ Stable Exceeds MCL
MCL 80
p10: 81 p50: 83 p90: 87

Even in the best-case scenario (10th percentile), Total Trihalomethanes levels at 81 UG/L exceeded the safe limit of 80 UG/L. All measured values surpass the EPA maximum contaminant level.

HAA5 (UG/L) 5 measurements
▲ Worsening Exceeds MCL
MCL 60
p10: 62 p50: 66 p90: 80

Even in the best-case scenario (10th percentile), HAA5 levels at 62 UG/L exceeded the safe limit of 60 UG/L. All measured values surpass the EPA maximum contaminant level.

📊 EPA SDWIS Enforcement & Compliance · Updated March 2026 · View source →

Score History

Declining Score changed from 73 to 59 over 1615 days (-14)
30-day change: 0 90-day change: +3

Tracking since 2021-12-31 · 59 data points

Safety Score Timeline

85+ 70–84 55–69 <55 Oldest → Newest · 24 data points

Compliance History

2021 2022 2023 1 2024 7 2025 7
Health-based (MCL/TT) Other violations

Environmental Incidents

25
Active Issues
EPA enforcement actions & health violations in 21903 (last 5 years)
Enforcement Actions
10
0 formal
Health Violations
15
7 unresolved
Last Enforcement
2025-12-08
Last Violation
2025-10-01

Health-Based Violations

HAA5 — 80 UG/L
Pending
MCL violation · 2025-10-01 to 2025-12-31
Total Trihalomethanes — 85 UG/L
Pending
MCL violation · 2025-10-01 to 2025-12-31
HAA5 — 76 UG/L
Pending
MCL violation · 2025-07-01 to 2025-09-30
Total Trihalomethanes — 87 UG/L
Pending
MCL violation · 2025-07-01 to 2025-09-30
HAA5 — 64 UG/L
Pending
MCL violation · 2025-04-01 to 2025-06-30
Total Trihalomethanes — 83 UG/L
Pending
MCL violation · 2025-04-01 to 2025-06-30
Chloramine — 0.95 RATIO
Pending
TT violation · 2025-01-01 to 2025-03-31
Sanitary Survey
Resolved
TT violation · 2024-10-17
Sanitary Survey
Resolved
TT violation · 2024-10-17
Sanitary Survey
Resolved
TT violation · 2024-10-17

Showing 10 of 15 violations. View all on EPA ECHO

Enforcement Actions

State Order Extension
2025-12-08
State Informal Action
2025-11-18
State Informal Action
2025-11-04
State Informal Enforcement
2025-11-04
State Informal Action
2025-10-31
State Informal Enforcement
2025-10-31
State Order Extension
2025-10-30
State Informal Action
2025-10-15
State Order Extension
2025-10-08
State Order Extension
2025-09-23

Understanding EPA Enforcement

  • MCL Violation — Contaminant exceeded the Maximum Contaminant Level set by EPA
  • Treatment Technique (TT) — Water system failed to follow required treatment methods
  • Formal Enforcement — EPA or state issued a legal order (administrative order, court action, or compliance order)
  • Resolved — The water system returned to compliance
This ZIP code has 7 unresolved health violations. Consider testing your water independently or using a water filter rated for the specific contaminants found.

Source: EPA Enforcement and Compliance History Online (ECHO). Data from the Safe Drinking Water Information System (SDWIS). Updated quarterly.

PFAS Tested — None Detected

Water serving ZIP code 21903 was tested for PFAS ("forever chemicals") under the federal UCMR5 monitoring program — no PFAS detected.

The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) requires every public water system serving over 3,300 people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level have provided clean results.

📊 EPA UCMR5 · Updated March 2026 · View source →

Health Risks from Detected Contaminants

Haloacetic Acids (HAA5)

High Risk

EPA limit: 0.06 mg/L · 2 violations on record

Cancer risk; reproductive & developmental effects

At-risk groups: pregnant women, infants, long-term consumers of chlorinated municipal water

Removal: granular activated carbon (GAC), carbon block filter, reverse osmosis · Find a filter →

Radium-228

High Risk

EPA limit: pCi/L (combined Radium-226 & 228 ≤ 5 pCi/L)

Bone cancer and leukemia (known carcinogen)

At-risk groups: long-term groundwater consumers, residents in areas with thorium-rich geology

Removal: ion exchange (water softener), reverse osmosis, lime softening · Find a filter →

Learn more about Radium-228 in drinking water →

📊 EPA SDWIS + SDWA · Updated March 2026 · View source →

Consumer Confidence Report

2024 Report

Annual water quality report published by Town of Perryville for ZIP code 21903.

7
Contaminants Tested
0
MCL Violations
💧 Water source: surface water

Key Contaminants

Contaminant Level MCL Status
Haloacetic Acids (HAA5) 31 ppb 60 ppb Within Limit
Total Trihalomethanes (TTHM) 52 ppb 80 ppb Within Limit

Lead & Copper Rule Results

Lead (90th percentile): 2 ppb — EPA action level: 15 ppb
Copper (90th percentile): 0.089 ppm — EPA action level: 1.3 ppm

What Is a Consumer Confidence Report?

Every community water system in the U.S. is required by the EPA to publish an annual Consumer Confidence Report (CCR), also known as a Water Quality Report. It lists all detected contaminants, their levels compared to federal limits (MCLs), and information about where your water comes from.

How to Read Your CCR

  • MCL (Maximum Contaminant Level) — the highest level of a contaminant allowed in drinking water
  • MCLG (Maximum Contaminant Level Goal) — the level below which there is no known health risk
  • Action Level — used for lead and copper; triggers treatment if exceeded at the 90th percentile
  • A violation means detected levels exceeded the MCL — your utility must notify you and take corrective action
📊 Water Utility CCR Report · Updated March 2026 · View source →
💧

Based on your water data

Carbon Block (under-sink) · $100–$200 · NSF/ANSI 42, NSF/ANSI 53, NSF/ANSI 401

Removes chlorine taste and disinfection byproducts. Addresses HAA5 (disinfection byproducts) and THMs (disinfection byproducts) detected in your water.

View details →
Whole-House · $800–$1,500 · NSF/ANSI 42, NSF/ANSI 61

Filters every tap in your home. View details →

Product links are affiliate links — we may earn a commission at no extra cost to you. Recommendations are based on NSF certifications and EPA contaminant data, not advertiser influence. See our disclosure.

Childhood Environmental Risk Score — 21903

High Risk
62/100
Childhood Environmental Risk Score
Combining water lead, air toxics, housing age & EPA violations

This ZIP's score is higher than 80% of U.S. ZIP codes and 81% of those in Maryland — a relative ranking, not a verdict on any home.

Risk Factor Breakdown

Housing Lead Paint Probability 31/100
31% of homes built before 1970, when lead paint was widely used.
Water System Violations 100/100
EPA water system violation history for this area.
What weighs most here

Water system violation history is the largest contributor to this ZIP's score. A pattern of violations can signal recurring quality issues worth monitoring, and reviewing a system's recent record helps families know what to ask about.

Pre-1970 Housing
31%
homes likely containing lead paint
EPA Radon Zone Zone 2
Zone 2 indicates moderate radon potential. The EPA recommends that homes in Zone 2 areas consider radon testing.
Radon is a naturally occurring radioactive gas. Children spend more time at home than adults, and a radon test kit is inexpensive.
Important Health Information
  • Children under 6 are most vulnerable to lead exposure — there is no safe level of lead in blood
  • Test your home's drinking water, especially if your home was built before 1986
  • Consider a certified water filter (NSF/ANSI 53 for lead removal) for drinking and cooking water
  • Ask your pediatrician about blood lead level testing at well-child visits

What families can do

Here are calm, practical steps families in this ZIP can consider — informational guidance, not cause for alarm.

  • Ask your pediatrician whether a blood lead test is appropriate at a child's next well-child visit.
Protect Your Family's Water
Know exactly what's in your tap water with a certified home water test kit.
Find the Right Water Filter →
Share with other parents

Know a family in 21903? A free 30-second ZIP check shows them the same lead, water, and housing data.

Disclaimer: This environmental health risk assessment uses publicly available data from the EPA, Census Bureau, and CDC to estimate relative risk levels. It is not a medical diagnosis or substitute for professional health advice. Individual exposure depends on many factors not captured in this analysis. Consult your pediatrician or local health department for specific guidance. Data sources: EPA AirToxScreen, EPA SDWIS, U.S. Census Bureau, CDC Childhood Blood Lead Surveillance.
📊 EPA AirToxScreen, SDWIS, Census, CDC · Updated March 2026 · View source →

Lead Pipe Replacement Funding for Maryland

$28.6M
allocated in fiscal year 2025 for lead service line replacement
Up to $14.0M available as grants for disadvantaged communities (49% of allocation)

Key LCRI Deadlines

Now
Your water system must notify you if you have a lead service line
1
Oct 2027
Water systems must complete service line inventories
2
Oct 2034
All lead service lines must be replaced

What This Means for You

  • If your home was built before 1986, it may have lead service lines
  • Your water utility is required to inventory and replace lead lines at no cost to you
  • Contact your water utility to check if your address is in their inventory

Source: EPA DWSRF Lead Service Line Replacement Program, FY2025 Allotment Memorandum.

Active Alerts in Maryland

0 active weather alerts in Maryland. Severe weather can affect your water quality and home safety.

View alerts for Maryland →

📊 NWS · Updated March 2026 · View source →
Environmental Hazards (10) HIGH

Flood Risk Profile

62
Moderate Flood Risk
FEMA flood insurance claims filed in 21903
Total Claims Paid
$10
since 1970
Average Claim
$10
per claim
Flood Zone
A12
most common FEMA zone
Recent Claims
10
since 2010

FEMA Flood Zones Explained

  • Zone A / AE — High-risk (100-year floodplain). Flood insurance required for federally backed mortgages
  • Zone V / VE — High-risk coastal area with wave action. Strictest building requirements
  • Zone X — Moderate-to-low risk (500-year floodplain or minimal flood hazard)
  • Zone B / C — Areas of moderate or minimal flood hazard
This ZIP code has a significant flood claim history. Standard homeowner insurance does not cover flood damage. Consider a separate flood insurance policy through the National Flood Insurance Program (NFIP).
📊 FEMA NFIP · Updated March 2026 · View source →

Air Quality for 21903

64
AQI
Moderate
Primary pollutant: Ozone
Station: Northeast Maryland (5.6 mi away)
Health Recommendations

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. Consider reducing prolonged outdoor exertion if you experience symptoms.

AQI Scale
050100150200300500
📊 EPA AirNow · Updated March 2026 · View source →

Termite Risk for 21903

Heavy Termite Zone
WDI Inspection Requirement

Required for VA/FHA loans statewide; very common in conventional transactions

Typical Inspection Cost
$85 – $175
Based on Maryland market rates
Consequence

VA/FHA loan will not close without clear NPMA-33 form

Termite Damage in the U.S.

  • Termites cause an estimated $5 billion in property damage annually in the United States, according to the USDA.
  • Standard termite treatment costs $225–$2,500; fumigation for severe infestations: $2,000–$8,000.
  • Homeowner insurance typically does not cover termite damage, as it is considered preventable.

What Homeowners Should Know

  • Annual termite inspections are recommended in moderate-to-heavy risk zones. Early detection can prevent thousands in repair costs.
  • VA and FHA loans require a clear NPMA-33 (Wood Destroying Insect Inspection Report) for closing in most states.
  • Warning signs: mud tubes on foundation walls, hollow-sounding wood, discarded wings near windows, and frass (droppings) near baseboards.
  • Preventive treatment ($200–$900 per year) is far less expensive than structural damage repair, which averages $3,000 and can exceed $50,000.
  • Maryland falls in a heavy termite infestation probability (TIP) zone. Subterranean termites are the primary concern.
Reference: VA lender requirements; NPMA-33 form; MD Dept of Agriculture Pest Control

Source: USDA Forest Service Termite Infestation Probability (TIP) zones, VA/FHA lender requirements, Maryland pest control regulations. Inspection cost estimates reflect typical market rates and may vary by provider, property size, and location. This information is for general guidance only.

Pest Risk for 21903

Moderate Pest Pressure
Top Pest Threats in Maryland

ticks, termites, mosquitoes, bed bugs and stink bugs

Typical Pest Inspection Cost
$85 – $200
Based on Maryland market rates
Licensed Applicator Required
Yes
Maryland pesticide regulations
⚠ CDC / EPA Disease Zone Alerts
  • Lyme disease endemic area
  • West Nile activity zone
Real Estate Transaction Requirement

Required for VA loans in all states; not state-mandated but commonly included

Penalty for Unlicensed Application

Up to $10,000 per violation

Why This Matters

  • Health risks: Mosquitoes transmit West Nile virus (1,000+ U.S. cases annually). Ticks spread Lyme disease (estimated 476,000 cases/year per CDC). Rodent droppings can carry hantavirus.
  • Property damage: Carpenter ants and termites cause billions in structural damage annually. Rodents gnaw wiring, creating fire hazards.
  • Food safety: Cockroaches and rodents contaminate food preparation areas and can trigger allergies and asthma, especially in children.
  • Maryland experiences seasonal pest pressure peaks. Annual inspections help catch infestations early before they become costly.

Common Questions

Do I need a pest inspection before buying a home in Maryland?
VA and FHA loans require a Wood Destroying Insect (WDI) inspection in all states. Required for VA loans in all states; not state-mandated but commonly included Even when not legally required, a professional pest inspection ($85–$200) can reveal hidden infestations that cost thousands to remediate.
Can I apply pesticides myself in Maryland?
Homeowners can generally use over-the-counter pesticide products on their own property. However, restricted-use pesticides require a licensed applicator in Maryland. Commercial pest control services must be licensed. Up to $10,000 per violation.
What are the most common pests in Maryland?
The top pest threats in Maryland include ticks, termites, mosquitoes, bed bugs and stink bugs. Pest activity varies by season and local conditions. Seasonal inspections can help catch infestations early.
Legal Reference: Maryland Pesticide Applicators Law (Md. Code Agric. §5-201)

Source: CDC vector-borne disease surveillance, EPA pesticide regulation data, Maryland pest control board, NPMA pest prevalence maps. Inspection cost estimates reflect typical market rates and may vary by provider, property size, and location. This information is for general guidance only.

Wildfire & Smoke Risk Profile

16
Low Smoke Risk
Wildfire smoke exposure risk score for 21903
Nearest Fire
27 mi
44 km to nearest recent wildfire
County Fires (5yr)
0
wildfires in county since 2021
Risk Level
Low
based on fire proximity & history
Air Quality
Generally Good
during fire season (Jun–Nov)
SMOKE RISK SCORE 16/100
0 — Minimal 100 — Highest Risk

Wildfire Smoke Safety Tips

  • Air purifier with HEPA filter: run in the room where you spend the most time. Close windows and doors during smoke events.
  • N95 or KN95 masks: standard cloth and surgical masks do not filter fine particulate matter (PM2.5) from wildfire smoke.
  • Seal gaps: use wet towels or tape around doors and windows to reduce smoke infiltration during poor air quality days.
  • Monitor AQI: check AirNow.gov daily during fire season. AQI above 100 = unhealthy for sensitive groups; above 150 = unhealthy for everyone.
  • Create a clean room: designate one room with the air purifier running, keep it sealed, and limit time outdoors when AQI is elevated.

Protect Your Indoor Air from Wildfire Smoke

A HEPA air purifier can reduce indoor PM2.5 by up to 80% during smoke events. Portable units for a single room start at $80. Whole-home solutions start at $300.

Product links may earn a commission — see our disclosure.

📊 NIFC Wildfire Data & EPA AirNow · Updated March 2026 · View source →

Earthquake & Seismic Risk Profile

2.2
VERY LOW RISK
FEMA National Risk Index earthquake score for 21903
Risk Rating
Very Low
FEMA earthquake hazard classification
Expected Annual Loss
$124K
estimated county-level annual loss (Relatively Low)
Annual Frequency
< 0.001
expected damaging earthquakes per year
Structural Vulnerability
Moderate
based on housing age (55 yr median) + seismic zone
EARTHQUAKE RISK SCORE 2.2/50
0 — Minimal 50 — Highest Risk

Earthquake Preparedness Tips

  • Secure heavy furniture: anchor bookshelves, water heaters, and large appliances to wall studs. Unsecured items cause most earthquake injuries.
  • Emergency kit: water (1 gallon per person per day for 3 days), non-perishable food, flashlight, batteries, first aid kit, wrench to turn off gas. Keep kits at home and in your car.
  • Know how to shut off gas: locate the gas meter shutoff valve and keep a wrench nearby. Gas leaks are a leading cause of post-earthquake fires.
  • Drop, Cover, Hold On: during shaking, drop to hands and knees, take cover under a sturdy table, and hold on. Do not stand in doorways or run outside.
  • Structural retrofit: homes built before 1980 may need foundation bolting or cripple wall bracing. FEMA's earthquake resources offer guidance on retrofitting.
  • USGS ShakeMap: monitor real-time and recent seismic activity at earthquake.usgs.gov.

Build Your Earthquake Preparedness Kit

FEMA recommends every household in a seismic zone maintain a 72-hour emergency kit. Pre-assembled kits start at $40 and include water, food, first aid, and tools.

Product links may earn a commission — see our disclosure.

📊 FEMA National Risk Index & USGS · Updated March 2026 · View source →

Mold Risk Assessment for 21903

High Risk
58/100
Mold Probability Score
Based on humidity, housing age, flood history & water infrastructure
Avg. Humidity
67%
annual relative humidity
Summer Humidity
69%
Jun–Aug average
Median Home Age
1971
median year built
Flood Claims
62
FEMA insurance claims
Seasonal Risk

Summer months (June–August) present the highest mold risk in 21903, with average humidity reaching 69%. Indoor humidity can be 10–15% higher in poorly ventilated spaces. Winter humidity drops to 65%, reducing but not eliminating risk.

Why Mold Matters

  • The CDC and EPA identify mold as a significant indoor health hazard. Common symptoms include respiratory irritation, allergic reactions, and asthma exacerbation.
  • Mold begins growing within 24–48 hours on damp surfaces when relative humidity exceeds 60%. Bathrooms, basements, and crawl spaces are most vulnerable.
  • Professional mold remediation costs $1,500–$9,000 on average. Homeowner insurance often excludes mold coverage unless caused by a "covered peril."
  • Homes built before 1980 typically lack modern vapor barriers and ventilation systems, increasing moisture infiltration risk.

Prevention Recommendations

  • Use a dehumidifier to keep indoor humidity below 50%. This is especially important in basements, crawl spaces, and bathrooms in high-humidity areas like 21903.
  • Ensure proper ventilation: use exhaust fans in bathrooms and kitchens, and keep attic and crawl space vents unblocked.
  • Fix leaks immediately. Even small plumbing leaks can create mold-favorable conditions within 48 hours.
  • Homes built around 1971 often lack modern vapor barriers. Consider a professional moisture assessment to identify hidden problem areas.
  • This ZIP has a history of flood insurance claims (62). Previous flooding significantly increases the likelihood of hidden moisture and mold behind walls and under flooring.
  • Monitor indoor humidity with a hygrometer ($10–$20). Target 30–50% year-round.
Recommended: Whole-Home Dehumidifier

With 67% average humidity, a dehumidifier is the most effective way to reduce mold risk in 21903. Energy Star-rated units cost $200–$400 and can reduce humidity by 20–30%.

Compare Dehumidifiers
As an Amazon Associate, ZipCheckup earns from qualifying purchases.
Sources: NOAA Climate Normals 1991–2020 (humidity), U.S. Census ACS (housing age), FEMA NFIP (flood claims), EPA SDWIS (water violations). Score methodology: humidity 40%, housing age 30%, flood history 20%, water infrastructure 10%.

Respiratory Risk Today

High Risk
39
Respiratory Risk Score
Combined air quality, humidity & mold risk for 21903
Air Quality
8/40
EPA AQI index
Humidity
14/30
seasonal impact
Mold
17/30
housing + humidity
RISK SCORE 39/100
Low Moderate Severe
Mold risk is the primary respiratory factor
Older homes in humid climates are prone to hidden mold. Consider a professional mold inspection and a HEPA air purifier for occupied rooms.
Sources: EPA AirNow (daily AQI), NOAA humidity normals, mold risk model (housing age + humidity + flood history). Updated daily. Score combines air quality (40%), humidity stress (30%), and mold risk (30%).

Superfund Sites & Soil Contamination Risk

41
Moderate Proximity Risk
EPA Superfund NPL site proximity score for 21903
Nearest NPL Site
5.5 mi
8.9 km — Woodlawn County Landfill
Sites Within 10 km
1
NPL sites within ~6.2 miles
Risk Level
Moderate
based on proximity & site status
Sites Within 25 km
8
NPL sites within ~15.5 miles
SUPERFUND PROXIMITY SCORE 41/100
0 — No nearby sites 100 — Highest Risk

Nearest Superfund (NPL) Sites

Site Name Distance Status Listed
Woodlawn County Landfill
Woodlawn, Maryland
5.5 mi Construction Complete 07/22/1987
Aberdeen Proving Ground (Michaelsville Landfill)
Aberdeen, Maryland
8.5 mi Construction Complete 10/04/1989
Ordnance Products, Inc.
Cecil County, Maryland
8.5 mi Construction Complete 09/25/1997
Sand, Gravel and Stone
Elkton, Maryland
9.3 mi Construction Complete 09/08/1983
Dwyer Property Ground Water Plume
Elkton, Maryland
11.9 mi Active Cleanup 03/10/2011

What Are Superfund NPL Sites?

The National Priorities List (NPL) is the EPA's list of the most contaminated sites in the United States. These sites are eligible for federal cleanup funding under CERCLA (the "Superfund" law). Common contaminants include heavy metals, volatile organic compounds (VOCs), pesticides, and industrial solvents that can leach into soil, groundwater, and air.

  • Active Cleanup: EPA is investigating or remediating the site — contamination may still be present.
  • Construction Complete: Physical cleanup is done, but long-term monitoring continues.
  • Deleted: Site meets EPA cleanup standards and has been removed from the NPL.

Know What's in Your Soil

If you live near a Superfund site, a home soil test kit can detect heavy metals, lead, and other contaminants — especially important if you garden, have children, or use well water.

Product links may earn a commission — see our disclosure.

📊 EPA Superfund National Priorities List (NPL) · Updated March 2026 · View source →

Pollution and Population Health

This section places two independent federal datasets side by side: environmental measurements from the EPA and population-health estimates from the CDC. They describe the same ZIP code but are collected separately, and each one is read on its own terms.

Environmental data — EPA

Local pollution measurements

Air, traffic and contaminated-site indicators for this ZIP code, from EPA programs.

Fine particulate matter (PM2.5) Nat. percentile: 30
Diesel exhaust Nat. percentile: 40
Traffic proximity Nat. percentile: 30

Each bar is this ZIP code’s EJScreen national percentile; a higher value means more exposure compared with other U.S. areas.

Air quality (NEI)
Grade B+ · median AQI 44
Toxic-release facilities (TRI)
Facilities reporting to the EPA Toxics Release Inventory: 1 · reporting a carcinogen: 1
Superfund site proximity
Superfund (NPL) sites within 10 km: 1 · nearest about 5.5 mi away
📊 EPA — National Emissions Inventory, EJScreen, Toxics Release Inventory & Superfund (NPL) · Updated 2026 · View source →
AIR EMISSIONS TREND (5-YEAR, EPA AIRDATA)

EPA AirData reports a 15.8% increase in county AQI for Cecil County, MD between the earliest and latest cycles (5 cycles used).

EPA AirData = facility-reported industrial emissions, county rollup. Does not measure ambient or breathable air quality at any specific address. EPA AirData methodology

EPA AirData annual AQI summaries 2020-2024

Two independent datasets. Air and soil pollution data (EPA) and health-prevalence data (CDC) are independent datasets shown side by side for context only. ZipCheckup does not establish a causal link between local pollution and any health condition, and these figures do not demonstrate one.

Health data — CDC

Population-health estimates

CDC PLACES modeled prevalence among adults in this ZIP code, each shown with its 95% confidence interval. The prior-release figure is shown alongside as a reference point only; CDC explicitly cautions that small-area year-to-year differences may reflect model recalibration rather than real change.

Adult asthma
Current (2025 release)
11%
95% CI 9.8–12.3
Prior (2024 release)
11.7% (95% CI 10.4–13)
Within model uncertainty
COPD
Current (2025 release)
9%
95% CI 7.7–10.3
Prior (2024 release)
8.2% (95% CI 7.4–9)
Within model uncertainty
Cancer
Current (2025 release)
9.1%
95% CI 8.3–10
Prior (2024 release)
9% (95% CI 8.2–9.9)
Within model uncertainty

Modeled small-area estimates produced from the BRFSS national survey and census demographics (Zhang et al. 2014). Not direct measurements; not for diagnostic or screening use.

Only CDC PLACES measures present in every release since 2020 appear with a prior-release reference; newer measures (added in 2023 and later) are presented without a prior figure.

CDC PLACES estimates are modeled from the BRFSS national survey and ACS demographics — not direct counts. Year-to-year differences between releases may reflect model recalibration, BRFSS sample-frame changes or census-tract-to-ZIP crosswalk adjustments rather than actual change. Margins of error often exceed annual differences at this geography. Not for diagnostic or screening use.
📊 CDC PLACES — modeled small-area health estimates (current 2025 release, with 2024 prior release shown for reference) · Updated PLACES 2025 · View source →
Food access — USDA

Food access for this area

How the USDA classifies access to grocery stores and fresh food across the surrounding census tract.

USDA access category
High access concern
Food environment index
6.7 of 10 — higher means better access to healthy food
SNAP participation
11.1% of households (USDA estimate)

USDA Food Access Research Atlas tract estimates, mapped from census tract to ZIP code. These are modeled population-level figures, not findings about any individual or any specific address.

📊 USDA — Food Access Research Atlas · Updated FARA 2019 · View source →

Pollution–Health Comparison Index

In 21903, the CDC models adult-asthma prevalence at 11%, while a statistical model of local pollution and poverty predicts about 10.6% — close to the model’s prediction.

Below predicted Above predicted

Among U.S. ZIP codes, this one sits at percentile 74 for how far observed asthma is above or below the model’s prediction.

Model fit (R²): 0.1601  how much of the variation in asthma the model accounts for; a lower value means a weaker fit and a less reliable comparison.

The Pollution–Health Comparison Index is a percentile rank showing how this ZIP code’s observed asthma prevalence compares with what a statistical model would predict from local pollution and poverty alone. It describes a statistical association, not a cause-and-effect relationship.

The environmental data (EPA) and health-prevalence data (CDC) in this section are independent datasets presented side by side for general informational purposes. Health figures are CDC PLACES modeled estimates with 95% confidence intervals — statistical models, not diagnoses, and they do not describe any individual. ZipCheckup does not establish a causal link between environmental conditions and health outcomes, and nothing in this section is medical advice. For questions about personal health or local environmental conditions, a licensed clinician or a state or local public-health authority is the right source.

Agricultural pesticide use in the surrounding county

USGS estimates how many kilograms of agricultural pesticides are applied each year in this ZIP code’s surrounding county, plus the five most-applied compounds. These are county-level use estimates, not a measurement of any pesticide in the tap water served to this ZIP code.

USGS county-level estimate
51.5k kg
estimated kilograms of pesticides applied each year across the surrounding county.

Top compounds by volume

The five compounds applied in the largest amounts across this county. Where the EPA sets a drinking-water reference limit (MCL) for a compound, that limit is shown for context — it is a regulatory reference, not a finding of any concentration in this ZIP code’s water.

  • GLYPHOSATE
    Herbicide · 23.9k kg/yr · EPA drinking-water reference limit: 700 ppb
    Moderate water concern
  • ATRAZINE
    Herbicide · 11.5k kg/yr · EPA drinking-water reference limit: 3 ppb
    High water concern
  • SIMAZINE
    Herbicide · 2.9k kg/yr · EPA drinking-water reference limit: 4 ppb
    High water concern
  • METOLACHLOR
    Herbicide · 2.5k kg/yr
    High water concern
  • TRIFLURALIN
    Herbicide · 1.8k kg/yr
    Moderate water concern

5 of the top compounds are ones the EPA flags for drinking-water monitoring — see the drinking-water section above

What this means

  • These figures describe pesticide application across the surrounding county, not the drinking water at this address.
  • An EPA Maximum Contaminant Level (MCL) is a regulatory reference for how much of a compound is allowed in finished tap water — it is not a finding of contamination at this ZIP code.
  • Tested drinking-water results from the local water system — when reported — appear in the drinking-water section of this report.

Methodology: Annual county pesticide-use estimates are from the USGS Pesticide National Synthesis Project, mapped from county FIPS to ZIP code. EPA Maximum Contaminant Levels are reproduced from federal drinking-water regulations and are reference points only.

Informational only. County-level agricultural pesticide-use estimates are not a measurement of any pesticide in the drinking water served by this ZIP code, nor an assessment of health risk. Tested drinking-water results, when reported by the local water system, appear in the drinking-water section above.

📊 USGS Pesticide National Synthesis Project · Updated May 2026
Home & Infrastructure (9) MODERATE

Home Buyer Risk Report

An inspection-grade snapshot of public-data risk factors for this ZIP, built to help a buyer decide what to verify before closing.

61/100
Home Purchase Risk Score
Moderate Risk

Public federal data shows a moderate risk profile for this ZIP. Several factors below are worth verifying independently before closing.

Seven-factor inspection checklist

Each factor below is scored 0–100 from public federal data. A higher score means the factor is more worth verifying before you buy.

Water quality · 25% of score

The local water system's recent EPA violation and contaminant history, along with an independent tap-water test, gives more context.

Test recommended
Flood · 20% of score

The FEMA flood zone, whether the property has flooded before, and flood-insurance requirements are key points to review.

Worth a look
Lead · 15% of score

Homes built before 1986 may have lead pipes or solder, and pre-1978 homes may have lead paint — a lead inspection adds clarity.

No flag
Energy · 15% of score

Heating and cooling costs and the age of the HVAC system, along with recent utility bills, give a fuller picture.

No flag
Housing age · 10% of score

Older homes more often have aging plumbing, wiring, and a water heater near end of life — a full inspection adds detail.

Worth a look
Radon · 10% of score

The EPA recommends testing every home for radon; homes in EPA Radon Zone 1 have the highest potential.

No flag
Air quality · 5% of score

Local air-quality history is useful context; for sensitive occupants, an HVAC system with good filtration helps.

No flag

Nearby hazards

Superfund proximity

EPA Superfund sites within 10 km: 1. Nearest: Woodlawn County Landfill (about 8.9 km away).

ATSDR public-health assessment for nearby sites: No Apparent Public Health Hazard.

95%

Modeled probability of a local water-service disruption in the next 90 days.

See the 90-day disruption outlook
Nuclear plant proximity

Nearest nuclear plant: Peach Bottom, about 17 miles away.

Healthcare access

Hospitals reported by CMS Hospital Compare near this ZIP code, with overall federal quality star ratings where CMS publishes one.

3
hospitals within 15 miles
1
with an emergency department
1
of these within 5 miles
Nearest CMS-rated hospital
Union Hospital OF Cecil County
CMS 4-star rating · 12.1 mi away

Closest hospitals

  • VA Maryland Healthcare System - Perry Point
    VA acute care · 1.1 mi away
    Not rated by CMS
  • UM Upper Chesapeake Behavioral Health Pavilion AT
    Psychiatric · 7.5 mi away · ER
    Not rated by CMS
  • Union Hospital OF Cecil County
    Acute care · 12.1 mi away
    CMS 4-star rating

Across the rated hospitals within 15 miles, the average CMS overall-quality rating is 4.0 (CMS scale: 1 to 5).

Federal data from CMS Hospital Compare. Distances are straight-line estimates from the ZIP code centroid; ZipCheckup neither ranks nor recommends any hospital.

Inspection-day checklist

Practical items to raise with your inspector, agent, or the seller — tailored to this ZIP's data.

  • Get a flood-insurance quote and confirm the FEMA flood zone before making an offer.
  • Review the local water system's recent disruption and violation history with the utility.
  • Hire an independent home inspector for a full walkthrough of the property.
  • Read the seller's disclosure and any past inspection or repair records.
  • Ask for service records for the HVAC system, water heater, and roof.

What this means

  • This report consolidates seven home-purchase risk factors and nearby hazards from public federal data into one place.
  • Each flagged item is a recommendation to verify independently — not a finding of a defect.
  • An independent home inspection remains an essential step before closing.

Methodology: The report combines the home purchase risk score — a seven-factor composite of public federal data — with EPA Superfund, ATSDR, water-disruption, and NRC nuclear-zone proximity datasets. All figures are modeled estimates.

Informational only. This is a modeled summary of public federal data, not a home inspection, an appraisal, or a prediction of defects. Verify any concern with a qualified inspector before a purchase.

📊 EPA, FEMA, U.S. Census, NRC · Updated May 2026

Housing Profile for 21903

Based on U.S. Census data (ACS B25034), there are 2,411 housing units in this ZIP code. The median home was built around 1971, making it roughly 55 years old.

Median Home Age
55
years (built ~1971)
Lead Paint Risk
58%
homes built before 1986
Lead Pipe Risk
21%
homes built before 1950

When Homes Were Built

Pre-1940
17% (418)
1940–1949
4% (89)
1950–1959
10% (235)
1960–1969
6% (156)
1970–1979
14% (346)
1980–1989
11% (271)
1990–1999
17% (416)
2000–2009
19% (454)
2010–2019
1% (26)
Highest risk (pre-1950) Elevated risk (1950–1979) Lower risk (1980+)

What This Means for Home Equipment

Homes built in the 1971s era typically have equipment that has been replaced at least once. Based on typical replacement cycles:

  • Water heater: estimated ~7 years old (avg lifespan: 12 years)
  • HVAC system: estimated ~4 years old (avg lifespan: 17 years)
  • Plumbing: likely Copper — older homes in this ZIP may still have original lead service lines

Home Value Context

Median Home Value
$271,700
32% below state median ($401,000)
Est. Safety Remediation
$2,800
1.0% of median home value

Estimated median home value in this ZIP code based on Census ACS data. Safety remediation costs include water filtration, lead abatement, radon mitigation, and flood insurance where applicable.

📊 Census ACS B25034 · Updated March 2026 · View source →

Equipment Age Estimate for 21903

Based on Census data, the median home in this ZIP was built in 1971 (~55 years old). 58% of homes were built before 1986.

Lead Pipe Risk
Elevated
58% homes pre-1986
Electrical Risk
Moderate
31% homes pre-1970
Water Heater Est. Age
~7 yrs
Avg lifespan: 12 yrs
HVAC Est. Age
~4 yrs
Avg lifespan: 17 yrs
⚠ EPA Lead Pipe Compliance Deadline — Your Utility Must Act

The EPA Lead and Copper Rule Improvements (LCRI), finalized October 2024, requires all water utilities to:

  • By October 2027: Complete a lead service line inventory and notify all customers with lead or unknown lines
  • By ~2037: Replace 100% of lead service lines (mandatory 10-year deadline)
  • New action level: Lowered from 15 ppb to 10 ppb — more homes now trigger mandatory action

58% of homes in ZIP 21903 were built before 1986 — the year lead solder was banned. If you receive a notification letter from your water utility, your home likely has lead service lines or lead solder connections.

Recommended actions:
  1. Get your water tested for lead (request a test kit from your utility at no cost)
  2. Install a certified lead-reducing filter (NSF/ANSI 53)
  3. Contact your utility about replacement assistance — costs run $5,000–$15,000, utilities may cover a portion under LCRI
  4. Have a plumber inspect your service line connection

Likely pipe material: Copper

Estimates based on U.S. Census ACS housing vintage data and typical equipment lifespans. Actual conditions vary by home.

Water Infrastructure Risk

43%
High Risk
Estimated pipe failure probability for 21903
State Funding Gap
$667
per resident (20-year need)
Pre-1980 Housing
58%
of homes built before 1980
System Violations
5
EPA violations on record
Lead Indicators
Present
lead service lines likely

Risk Factor Breakdown

Infrastructure Funding Gap 29%
State drinking water infrastructure need relative to population
Housing Vintage 43%
Proportion of homes with plumbing installed before 1980
Violation History 53%
EPA Safe Drinking Water Act violations and enforcement actions
Lead Exposure Risk 48%
Lead service line probability and lead testing results

What This Means

The water infrastructure serving ZIP code 21903 shows multiple risk factors. Most homes in this area were built before 1980, meaning plumbing may contain lead solder or galvanized pipes that corrode over time. Consider testing your tap water, especially if you have an older home.

Aging infrastructure increases the risk of lead, discolored water, and pipe breaks. The EPA recommends that homeowners in areas with older water systems test their tap water annually and consider a Consumer Confidence Report for their water system.
📊 EPA DWINS, Census ACS, EPA SDWIS, LCRR · Updated March 2026 · View source →

Infrastructure Decay & Disruption

70
Elevated infrastructure stress
Higher modeled infrastructure stress than 93% of US ZIP codes

Water pipe decay

Local water mains are modeled to reach a critical service threshold within about 2 years.

New 79% of service life consumed End of life
Decay trend
Moderate
Likely pipe material
Copper
Estimated system age
55 yrs
Modeled failure probability
43%
estimated annual water-main break likelihood

Bridge condition (FHWA NBI)

Bridges in area
193
Rated in poor condition
3.1%
FHWA NBI structural rating
Average bridge age
54 yrs
Worst bridge rating
4/9
FHWA NBI scale — 9 is excellent, 0 is failed

Bridge figures are from the Federal Highway Administration's National Bridge Inventory. They describe area-level structural ratings, not the safety of any specific bridge.

Bridge condition — FHWA NBI 2024 annual release

Of 193 bridges classified within this ZIP code's surrounding county, 8 are classified Poor by FHWA NBI 2024.

Good (62) · Fair (123) · Poor (8)

FHWA classifies bridges as Good (rating 7-9), Fair (5-6), or Poor (0-4) based on biennial inspections of deck, superstructure, substructure, and culvert components.

Counts are county-level aggregated; multiple ZIP codes within the same county share these counts. No per-bridge or per-structure-ID claim is made.

Source: FHWA National Bridge Inventory, 2024 annual release.

Gas pipeline incident history

PHMSA records 1 reported gas-distribution pipeline incidents on file for this area.

Source: U.S. Pipeline and Hazardous Materials Safety Administration (PHMSA) historical incident data.

95%

This is the modeled probability of a boil-water advisory or water-service interruption in the next 90 days.

See the full service-disruption breakdown →

What this means

  • This score blends four public federal datasets — water-pipe decay, bridge condition, gas-pipeline incident history, and a 90-day disruption estimate — into one area-level measure of infrastructure stress.
  • It describes the infrastructure around a home, not the condition of the home itself, and it is a modeled estimate rather than an engineering assessment.
  • Aging water mains raise the chance of breaks and service interruptions; a plumber can inspect a home's own supply line and shut-off valve.

Concerned about aging water lines on your property? — talk to a local expert.

Call (855) 384-4856

This is a free service. You will be connected with an independent service provider. We may receive compensation.

Methodology: Water-pipe decay is modeled with an exponential-decay bathtub curve from Census ACS housing age, EPA ECHO compliance records, and EPA infrastructure-needs data. Bridge condition is from the FHWA National Bridge Inventory; gas-pipeline incidents from PHMSA; the 90-day disruption estimate from EPA and FEMA data. The stress score is a weighted composite of these four signals.

All figures are modeled estimates from public federal data. They are not engineering assessments, predictions of failure, or a judgment about any specific structure or utility.

📊 Census ACS, EPA ECHO, FHWA NBI, PHMSA, FEMA · Updated May 2026

HVAC System Health for 21903

Estimated HVAC Age
~4 years
Average lifespan: 17 years
Replacement Status
Good Condition
Likely within reliable service window. Annual maintenance recommended.

High energy costs in Maryland (20.61¢/kWh) mean an inefficient HVAC system costs you significantly more. Upgrading to a high-SEER unit or heat pump could save 30–50% on heating and cooling bills.

Seasonal HVAC Tips for Maryland

Fall / Winter
  • Schedule furnace tune-up before first cold snap
  • Replace air filter (every 1–3 months)
  • Check thermostat calibration
Spring / Summer
  • Clean AC condenser coils and clear debris
  • Test AC before peak season
  • Check refrigerant levels (professional tech only)

Common HVAC Issues for 1971-Era Homes

  • Undersized ductwork — older designs often can't handle modern HVAC airflow requirements
  • Poor insulation — pre-1980s homes lose 25–40% more heat through walls and attic
  • Obsolete refrigerant — R-22 (Freon) phased out; repair costs significantly higher
  • Asbestos in duct insulation — homes before 1980 may need professional abatement before HVAC work
Furnace Efficiency Deadline: December 2028

The Department of Energy requires all NEW furnaces manufactured after December 18, 2028 to meet 95% AFUE (condensing furnaces). Current standard is 80% AFUE.

What this means for you:

  • 80% AFUE non-condensing furnaces will no longer be available for purchase
  • Condensing furnaces require PVC venting (additional $1,500–$2,500 for retrofit)
  • If the furnace is approaching end of life, consider replacing before the deadline to potentially save on installation costs
  • Your existing furnace can continue operating — this applies only to NEW equipment

HVAC Questions for 21903

How do I know if my HVAC system needs replacement?

Key signs include: the system is over 15 years old, frequent repairs (more than 2 per year), uneven heating/cooling between rooms, rising energy bills despite normal use, and unusual noises or odors. Based on census data, the median home in 21903 was built in 1971, putting the estimated HVAC system age at ~4 years.

What SEER rating should I look for in a new HVAC system?

As of 2023, the federal minimum is SEER2 15 for central AC in the southern U.S. and SEER2 14 in the north. For Maryland, look for at least SEER 16–18 for good efficiency. Higher SEER ratings (20+) cost more upfront but save more in areas with high electricity rates like Maryland, where rates are above the national average. ENERGY STAR certified units are a reliable starting point.

How much does HVAC replacement cost in Maryland?

A full HVAC replacement (furnace + AC) typically ranges from $5,000–$12,000 depending on system size, efficiency rating, and ductwork condition. Heat pump systems range from $4,000–$10,000. Federal tax credits (25C) cover up to 30% of the cost for qualifying heat pumps and high-efficiency systems. Check our rebates page for Maryland-specific incentives.

What refrigerant does my AC use and why does it matter?

If your AC was installed before 2010, it likely uses R-22, which was banned in 2020 and now costs $50–$150/lb. Systems from 2010–2024 typically use R-410A, which is being phased down (AIM Act 2025). New systems use R-454B or R-32. When your current system needs major repair, the refrigerant type significantly affects whether repair or replacement makes more economic sense.

Should I replace my furnace before the 2028 efficiency deadline?

If the furnace in a home is over 15 years old and the area has a cold/moderate climate, planning ahead is wise. After December 2028, only 95% AFUE condensing furnaces will be available. These require PVC venting — retrofitting an older home for PVC can cost $1,500–$2,500 on top of the furnace price. Replacing before the deadline with a standard 80% AFUE unit may be more cost-effective if the venting isn't PVC-ready.

HVAC age estimate based on U.S. Census ACS housing vintage data and a 17-year replacement cycle. Actual system age varies by home.

Appliance Age Estimates for 21903

Median home built in 1971 (~55 years old). Appliance ages estimated from typical replacement cycles.

1 appliance likely is near or past typical replacement age.

Water Heater
~7 yrs
Avg lifespan: 12 yrs · $800–$2500
Dishwasher
~7 yrs
Avg lifespan: 12 yrs · $700–$2500
Washing Machine
~7 yrs
Avg lifespan: 12 yrs · $600–$2200
Dryer
~3 yrs
Avg lifespan: 13 yrs · $500–$2000
Refrigerator
~13 yrs
Avg lifespan: 14 yrs · $1000–$4000
Garbage Disposal
~7 yrs
Avg lifespan: 12 yrs · $200–$600

How Water Quality Affects Appliance Lifespan

Water conditions in Perryville directly impact how long your appliances last.

Hard Water
Mineral buildup (calcium, magnesium) clogs water heaters, dishwashers, and washing machines. Can reduce lifespan by 25–30%.
Sediment & Particulates
Sand and rust particles accelerate wear on valves, seals, and heating elements in water heaters and dishwashers.
High Chlorine
Corrodes rubber gaskets and seals in washing machines and dishwashers, leading to leaks and premature failure.
Low pH (Acidic Water)
Corrodes metal components inside water heaters and garbage disposals, shortening their service life.

Homes built before 1996 have likely gone through 2+ full appliance replacement cycles. If original appliances remain, they are well past expected lifespan.

Appliance Maintenance FAQ

How often should I flush my water heater?

Flush your tank water heater at least once a year to remove sediment buildup. In areas with hard water, every 6 months is recommended. Sediment reduces heating efficiency and accelerates tank corrosion, shortening lifespan by 2–4 years.

When should I replace my dishwasher vs. repair it?

If your dishwasher is over 9 years old and the repair costs more than 50% of a new unit, replacement is generally more cost-effective. Common signs: dishes not getting clean, water pooling after cycles, or rust spots on the interior.

Does a water softener really extend appliance life?

Yes. A water softener can extend water heater lifespan by up to 30% and reduce dishwasher and washing machine maintenance by preventing mineral scale buildup on heating elements, valves, and spray arms. The Battelle Memorial Institute found that softened water kept water heaters at original factory efficiency over a 15-year period.

Estimates based on U.S. Census housing vintage data and manufacturer-average replacement cycles. Actual appliance age depends on renovation history and maintenance.

Electrical Safety for 21903

Median home built in 1971 (~55 years old). 31% of homes were built before 1970, when electrical standards were significantly different.

Electrical Risk Level
Moderate
31% homes pre-1970
Est. Panel Age
~25 yrs
Avg lifespan: 25–40 yrs

Common Electrical Issues for 1971-Era Homes

  • Knob-and-tube wiring — common in pre-1950 homes, lacks grounding and cannot safely handle modern electrical loads
  • Undersized electrical panel — 60–100 amp panels typical of this era cannot support today's appliances, EV chargers, or HVAC systems
  • Aluminum wiring — used in 1960s–1970s homes, poses fire risk at connections due to oxidation and thermal expansion
  • Ungrounded outlets — two-prong outlets indicate missing ground wire, increasing shock and surge risk
  • Federal Pacific / Zinsco panels — common in 1960s–1980s homes, known for breaker failure; replacement strongly recommended

⚠️ Insurance Compliance Alert

58% of homes in 21903 were built before 1986 — the era when Federal Pacific (FPE StabLok), Zinsco, and Challenger electrical panels were commonly installed.

These panels have a documented 60%+ breaker failure rate and are refused by major insurance companies including State Farm, Allstate, and Citizens (FL).

If you receive an insurance non-renewal notice or 4-point inspection failure:

  • Typical deadline: 30 days to replace panel
  • Replacement cost: $1,500–$4,000
  • Failure to replace: insurance cancellation → mortgage default risk

Insurance blacklist: State Farm, Farmers, Allstate, USAA, Mercury, Citizens (FL), Nationwide.

When to Call an Electrician

Urgent Signs
  • Burning smell from outlets or panel
  • Frequent breaker trips
  • Sparking or discolored outlets
  • Buzzing sounds from wiring or panel
Recommended Inspections
  • Before buying a home (especially pre-1980)
  • After any water damage or flooding
  • Before adding major appliances or EV charger
  • If your panel is 25+ years old

Electrical Safety Tips

Panel & Wiring
  • Never use a fuse with a higher amperage rating than the circuit is designed for
  • Label all breakers clearly in your electrical panel
  • Keep 3 feet of clearance in front of your electrical panel
Around the Home
  • Test GFCI outlets monthly using the built-in test button
  • Replace any cracked or warm outlet covers immediately
  • Do not daisy-chain power strips or extension cords

Homes built before 1976 likely have outdated wiring and panels that do not meet current electrical codes. A professional electrical inspection is strongly recommended.

Electrical Safety Questions for 21903

How do I know if my electrical panel needs an upgrade?

Key signs include: frequent breaker trips, a panel over 25 years old, fuses instead of circuit breakers, visible rust or corrosion, and a panel rated below 200 amps if you have modern appliances, HVAC, or an EV charger. Based on census data, the median home in 21903 was built in 1971 — homes of this age often have panels that don't meet current electrical demands.

How much does an electrical panel upgrade cost?

A panel upgrade from 100 to 200 amps typically costs $1,500–$4,000 depending on your location and the complexity of the work. If the meter base or service entrance also needs replacement, costs can reach $4,000–$6,000. Rewiring a full home (common in pre-1960 homes) ranges from $8,000–$15,000+ depending on size and accessibility.

Is aluminum wiring dangerous?

Aluminum wiring itself is not inherently dangerous, but connections between aluminum wiring and copper devices (outlets, switches) can overheat due to differential thermal expansion. The Consumer Product Safety Commission (CPSC) found that homes with aluminum wiring are 55 times more likely to have fire-hazard conditions. If your home has aluminum wiring, a qualified electrician can install COPALUM or AlumiConn connectors to make connections safe.

Is my home likely to have a Federal Pacific or Zinsco panel?

These panels were installed primarily between 1960 and 1985. Based on census data, 58% of homes in 21903 were built during this era. If your home was built in this period and the panel has never been replaced, there is a meaningful chance it contains an FPE StabLok or Zinsco panel. Look for the brand name on your breaker panel door.

Electrical risk assessment based on U.S. Census ACS housing vintage data. Actual wiring and panel condition varies by home and renovation history.

Septic System Requirements in Maryland

⚠ Inspection Required at Sale
Mandatory inspection at sale in most jurisdictions

Required before property transfer in most counties. Some jurisdictions require periodic inspections for nitrogen-reducing systems.

Typical Inspection Cost
$250 – $700
Based on Maryland market rates
Consequence of Non-Compliance

Sale may not proceed without passing inspection. Bay Restoration Fund surcharge applies to all septic users.

Legal Reference: COMAR 26.04.02

What Homeowners Should Know

  • Approximately 1 in 5 U.S. households relies on a septic system for wastewater treatment.
  • Regular pumping every 3–5 years is recommended by the EPA to prevent system failure.
  • A failed septic system can cost $7,000–$15,000 or more to replace, depending on system type and soil conditions.
  • If you are selling a property in Maryland, check your state and local requirements before listing.
  • Signs of septic failure include slow drains, sewage odors, and standing water near the drain field.

Source: Maryland environmental and health department regulations. Cost estimates reflect typical market rates and may vary by provider, system size, and location. This information is for general guidance only—contact your local health department for requirements specific to your property.

Underground Oil Tank: Low Risk for 21903

Maryland regulates underground heating oil tanks, but only 0% of homes in 21903 were built before 1980 — the era when underground steel tanks were commonly installed. The risk of encountering a buried oil tank in this ZIP code is relatively low. If purchasing a pre-1980 home, a tank sweep is still recommended.

Source: Maryland environmental regulations (MD Environment Article §4-401 et seq.; COMAR 26.10), U.S. Census ACS housing vintage data.

CO & Gas Safety Profile

1
Low Gas Risk
PHMSA gas distribution incident risk score for 21903
County Incidents
1
gas distribution incidents since 2004
Fatalities
0
no deaths reported
Latest Incident
2008
most recent reported
Risk Level
Low
based on incident history
RISK SCORE 1/100
0 — Safe 100 — Highest Risk

CO & Gas Safety Tips

  • Install CO detectors on every level of your home and near sleeping areas. Replace batteries annually and units every 5-7 years.
  • Know gas leak signs: rotten egg smell, hissing sounds near gas lines, dead vegetation near pipelines, bubbling in standing water.
  • Annual inspection: have a licensed technician inspect gas appliances (furnace, water heater, stove) every year.
  • Emergency: if you smell gas, leave immediately, do not use electrical switches, and call 911 or your gas company from outside.

Protect Your Home from Carbon Monoxide

The CPSC recommends a CO detector on every level. Battery-operated models start at $20. Smart detectors with app alerts start at $35.

Product link may earn a commission — see our disclosure.

📊 PHMSA Gas Distribution Incidents · Updated March 2026 · View source →

Remodeling Permit Requirements in Maryland

⚠ Strict Permit Enforcement
What Requires a Permit

Structural, electrical, plumbing, mechanical, HVAC. All work altering building structure or systems requires permit.

Typical Permit Cost
$150 – $3000
Based on Maryland fee schedules
Penalty for Non-Compliance

Fines up to $1,000/day, retroactive permit at double fee, stop-work orders

Legal Reference: MD Public Safety Code §12-101 et seq.; adopted IRC/IBC

Why This Matters

  • Unpermitted work can reduce your home's appraised value by 10–20% and complicate or block a sale entirely.
  • Homeowner insurance may deny claims for damage caused by or related to unpermitted renovations.
  • Buyers' lenders may require proof of permits before approving a mortgage, especially for kitchens, bathrooms, and structural changes.
  • Unpermitted electrical and plumbing work is a leading cause of house fires and water damage — permits exist to ensure safety inspections.
  • If you are planning remodeling work in Maryland, contact your local building department before starting any project that alters structure, electrical, plumbing, or mechanical systems.

Remodeling Permit Questions for 21903

What remodeling work requires a permit in Maryland?

In Maryland, permits are generally required for any work that alters the structure, electrical wiring, plumbing, or mechanical systems of a home. This includes kitchen and bathroom renovations involving plumbing or electrical changes, wall removal, room additions, window enlargements, re-roofing, and HVAC replacement. Purely cosmetic work — painting, flooring, cabinet refacing without plumbing changes — typically does not require a permit. Always check with your local building department, as municipal requirements may be stricter than state minimums.

What happens if I remodel without a permit in Maryland?

Working without a required permit in Maryland can result in Fines up to $1,000/day, retroactive permit at double fee, stop-work orders. Beyond legal penalties, unpermitted work creates problems when selling: buyers' home inspectors and appraisers flag unpermitted additions, lenders may refuse financing, and title companies may require permits to be obtained retroactively — often at 2–3 times the original permit fee. In serious cases, you may be required to open walls for inspection or demolish non-compliant work.

How much does a remodeling permit cost in Maryland?

Remodeling permit fees in Maryland typically range from $150 to $3000, depending on the scope and value of the project. Most jurisdictions calculate fees as a percentage of the project's estimated construction cost (usually 1–2%) or use a flat fee schedule based on project type. Electrical and plumbing sub-permits may be billed separately. Contact your local building department for an exact fee quote before starting work.

Permit requirements based on Maryland building codes and ICC adoption data. Costs reflect typical municipal fee schedules and may vary by jurisdiction, project scope, and valuation. This information is for general guidance only — contact your local building department for requirements specific to your project.

Home maintenance concerns detected — talk to a local expert.

Call (855) 384-4856

This is a free service. You will be connected with an independent service provider. We may receive compensation.

Cost & Community (5) OK

True Cost of Ownership

$5,090
estimated extra annual cost vs a median-risk US ZIP
Higher modeled annual risk-cost than 95% of US ZIP codes

How this ZIP compares

US median ZIP
$1,200
per year
MD median
$2,274
per year

Where the estimate comes from

Sea level rise$3,000
Flood$1,400
Energy-code gap$540
Show all 4 factors
Lead & water safety$150

5-year equipment outlook

Major home equipment that may reach the end of its typical service life within five years. Figures are national-average installed-cost ranges, not quotes.

Water heater $800–$2,500
Estimated age ~7 yrs; typical service life 12 yrs
Estimated water heater age is near the end of its typical service life.
Estimated 5-year replacement range $800–$2,500

What this means

  • This is a modeled estimate of how much more — or less — a household here may spend each year on risk-related costs such as insurance, mitigation, testing, and maintenance, compared with a typical US ZIP.
  • It is a comparison figure for context, not a bill, a quote, or financial advice.
  • The 5-year equipment ranges above are separate one-time replacements, not part of the annual figure.

Planning for aging home equipment? — talk to a local expert.

Call (855) 384-4856

This is a free service. You will be connected with an independent service provider. We may receive compensation.

Methodology: Each of 13 risk verticals is assigned a dollar figure from public federal data; the total is the modeled annual difference from a median-risk US ZIP. The 5-year equipment outlook flags major home equipment whose estimated age is within five years of its typical service life; figures are national-average installed-cost ranges.

Estimates are modeled from public federal data. They are not quotes, prices, or financial or insurance advice.

Tax Burden in Maryland

State tax rates affect cost of ownership. Here's how Maryland compares to national averages.

Income Tax
5.8%
top marginal rate
US avg: 5.3%
Sales Tax
6.0%
combined avg
US avg: 6.6%
Property Tax
0.87%
effective rate
US avg: 0.98%
Sales Tax Breakdown
State rate: 6.00%

Source: Tax Foundation 2024. Income tax = top marginal rate. Sales tax = state + avg local. Property tax = effective rate on home value.

Energy Costs in Maryland

Residential electricity rate: 20.61¢/kWh21% above the national average (national avg: 17.0¢/kWh · EIA, December 2025)

Maryland Energy Mix

Solar 3.5% Wind 1.8% Hydro 4.2% Nuclear 39.3% Gas 42.5% Coal 6.1% Petroleum 1%
Renewable energy
9.5%
Clean energy (incl. nuclear)
48.8%

Source: EIA Form 923, 2025 data. Renewable = solar + wind + hydro + geothermal.

📊 EIA + Census ACS · Updated March 2026 · View source →

Electric Utility for 21903

Provider
Delmarva Power
Investor Owned
Residential Rate
20.2¢/kWh
State avg: 20.6¢/kWh

Source: U.S. Energy Information Administration, Form EIA-861 (2024 data). EIA ID: 5027.

Home Energy Audit for 21903

IRA Energy Incentives Are Time-Limited

The Inflation Reduction Act provides up to $8,000 in rebates and $3,200 in annual tax credits for home energy upgrades — but many provisions phase down or expire after 2032. A professional energy audit is the first step to qualifying for these incentives. Homes in 21903 average ~55 years old, making energy audits especially impactful.

Electricity Rate
20.2¢/kWh
State avg: 20.6¢/kWh (21% above U.S. avg)
Est. Annual Energy Cost
$2,164
based on avg U.S. household (10,500 kWh/yr)
Renewable Energy
10%
of Maryland's electricity from renewables
Potential Annual Savings
$325–$649
15–30% savings from energy audit

What a Home Energy Audit Covers

Thermal Envelope
  • Insulation levels in attic, walls, and basement
  • Air leaks around windows, doors, and ducts
  • Blower door test (measures total air leakage)
Equipment & Systems
  • HVAC efficiency and age assessment
  • Water heater type and condition
  • Lighting and appliance energy use
Safety Checks
  • Carbon monoxide and combustion safety
  • Moisture and ventilation assessment
  • Gas leak detection
Deliverables
  • Prioritized list of recommended upgrades
  • Estimated cost and savings for each upgrade
  • Rebate and tax credit eligibility report
Potential Savings from an Energy Audit
  • The average home energy audit identifies $200–$400/year in savings (DOE)
  • Properly sealed and insulated homes save 15% on heating and cooling costs (DOE)
  • Heat pump upgrades can reduce heating costs by 30–50% compared to electric resistance
  • ENERGY STAR certified windows save $101–$583/year compared to single-pane windows
  • Weatherization assistance programs are available for income-qualifying households

Homes in 21903 are ~55 years old on average — older homes typically have the most to gain from an energy audit due to outdated insulation, single-pane windows, and aging HVAC systems.

Your Utility: Delmarva Power

Delmarva Power (Investor-owned) serves 21903. Your local residential rate is 20.2¢/kWh , which is above the national average — making energy efficiency improvements even more valuable . Many utilities offer additional rebates on top of federal IRA incentives — ask your energy auditor about programs from Delmarva Power.

Federal & State Incentives
IRA Tax Credits (IRC §25C) — up to $3,200/year
$2,000 — Heat pump / heat pump water heater
$1,600 — Insulation & air sealing
$600 — Windows & doors
$150 — Home energy audit itself
IRA Rebates (HEEHRA — income-qualified)
Up to $8,000 — Heat pump installation
Up to $1,600 — Insulation & air sealing
Up to $2,500 — Electrical panel upgrade
Up to $840 — Heat pump clothes dryer
30% tax credit for solar panels — extended through 2032 under the Inflation Reduction Act (IRC §25D). No annual cap for residential solar.

Under the Inflation Reduction Act. Income limits apply for HEEHRA rebates. Tax credits require tax liability. IRS details →

DOE Home Energy Audit Standards

To claim the $150 federal tax credit, your energy audit must meet DOE standards (10 CFR 440.21) and be performed by a qualified auditor. A DOE-compliant audit includes:

  • Blower door test to measure air infiltration
  • Infrared thermography to identify insulation gaps
  • Combustion safety testing for gas appliances
  • Written report with prioritized, cost-effective upgrade recommendations

Energy Audit Questions for 21903

How much does a home energy audit cost?

A professional home energy audit typically costs $150–$400 depending on the size of your home and the depth of testing. The Inflation Reduction Act provides a $150 tax credit for qualifying audits performed by a certified auditor, effectively covering a significant portion of the audit cost. Some utilities also subsidize audits for their customers — check with Delmarva Power for local programs.

What is the difference between an energy audit and a home inspection?

A home inspection (done during a home sale) evaluates structural and safety conditions. An energy audit specifically measures how your home uses energy and identifies efficiency improvements. Energy audits use specialized tools like blower doors, infrared cameras, and duct blasters that are not part of a standard home inspection. The audit produces a prioritized list of upgrades with estimated costs and savings.

How much can I save after an energy audit?

According to the U.S. Department of Energy, the average audit identifies $200–$400/year in savings. Actual savings depend on your home's age, current insulation, HVAC efficiency, and local energy rates. At current rates in Maryland, the average home spends approximately $2,164/year on electricity — a 15–25% reduction through audit-recommended upgrades could save $325–$541 annually. With homes in 21903 averaging ~55 years old, there is likely significant potential for improvement.

What rebates and tax credits are available for energy upgrades?

The Inflation Reduction Act (IRA) provides two types of incentives: (1) Tax credits up to $3,200/year for heat pumps ($2,000), insulation ($1,600), windows ($600), and the audit itself ($150); and (2) HEEHRA rebates for income-qualifying households — up to $8,000 for heat pumps, $1,600 for insulation, $2,500 for electrical panels, and $840 for heat pump dryers. Solar panels qualify for a separate 30% tax credit through 2032.

Do I need an energy audit before installing solar panels?

An energy audit is not legally required before installing solar, but the DOE strongly recommends it. Reducing your home's energy consumption before adding solar means you need a smaller (cheaper) system to cover your needs. An audit typically identifies 15–30% in energy reductions through insulation, air sealing, and HVAC improvements — which directly reduces the size and cost of a solar installation.

How long does a home energy audit take?

A comprehensive energy audit takes 2–4 hours for a typical single-family home. The auditor will inspect the attic, basement, walls, windows, HVAC system, water heater, and ductwork. Diagnostic tests (blower door, infrared scan) add precision to the findings. You will receive a written report within 1–2 weeks with prioritized recommendations and estimated costs.

Source: U.S. Energy Information Administration (EIA), U.S. Department of Energy (DOE), Inflation Reduction Act of 2022 (P.L. 117-169).

Safety Updates for Perryville, Maryland

Elevated lead levels detected
Lead measured at 2 ppb (EPA action level: 15 ppb). 5 health violations on record. Population affected: 21,017.

Violations & Enforcement Timeline

2025-12-08 State Order Extension
2025-11-18 State Informal Action
2025-11-04 State Informal Action
2025-11-04 State Informal Enforcement
2025-10-31 State Informal Action
View all 25 records
2025-10-31 State Informal Enforcement
2025-10-30 State Order Extension
2025-10-15 State Informal Action
2025-10-08 State Order Extension
2025-10-01 MCL HAA5 Resolved 80 UG/L
2025-10-01 MCL Total Trihalomethanes Resolved 85 UG/L
2025-09-23 State Order Extension
2025-07-01 MCL HAA5 Resolved 76 UG/L
2025-07-01 MCL Total Trihalomethanes Resolved 87 UG/L
2025-04-01 MCL HAA5 Resolved 64 UG/L
2025-04-01 MCL Total Trihalomethanes Resolved 83 UG/L
2025-01-01 TT Chloramine Resolved 0.95 RATIO
2024-10-17 TT Sanitary Survey Active
2024-10-17 TT Sanitary Survey Active
2024-10-17 TT Sanitary Survey Active
2024-10-01 TT Chloramine Resolved 0.97 RATIO
2024-04-01 MCL Total Trihalomethanes Resolved 81 UG/L
2024-04-01 MCL HAA5 Resolved 62 UG/L
2024-01-01 MCL Total Trihalomethanes Resolved 83 UG/L
2023-07-01 MCL HAA5 Resolved 66 UG/L

Related Anomalies

High enforcement spike
Perryville, MD (21903) hit with 10 enforcement actions in the past year

National safety news feed →

📊 EPA ECHO · Updated March 2026 · View source →

Recent Product Recalls

Recent CPSC recalls for plumbing and HVAC products that may affect homes in your area.

Superbobi 7 3/8 Inch Pool Drain Covers
Shenzhen Jiangtou Technology Co. · 2026-05-14

Electric Kettles (ENFINIGY 1.5 l and ENFINIGY Pro 1.5 l)
ZWILLING J. A. Henckels Aktiengesellschaft · 2026-05-14

Electric Start Pressure Washers
Generac Power Systems Expands · 2026-05-14

1-K Kerosene Heater Fluid Portable Fuel Containers
Alliance Chemical · 2026-04-30

View all recalls →

📊 CPSC · Updated March 2026 · View source →

Protect Your Home in Perryville

Based on local data for ZIP 21903, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Home & Flood Insurance

Perryville has 62 FEMA flood claims on record. Standard homeowner policies don't cover flood damage — make sure you're protected.

Typical cost: Flood insurance: typically $700–$1,500/year in flood-prone areas

Check Your Flood Zone (Free)

FEMA flood map lookup — see if your property is in a flood zone

Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)

Gutter Installation & Repair

Homes in 21903 were built around 1971 on average. Aging gutters can cause foundation damage, basement flooding, and mold — a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

With a median build year of 1971, many homes in Perryville likely have original or outdated windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Roofing Inspection & Repair

Homes built around 1971 may be on their second or third roof. A professional inspection can catch damage before leaks start.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Take Action

Concerned about these findings? Contact your local elected officials to ask what is being done about water quality in your area.

Email Your Representative

Don't know who to contact? Find your local representative at usa.gov/elected-officials

Frequently Asked Questions

Is the tap water in 21903 safe to drink?

Based on EPA SDWIS data, Perryville's primary water system (Town of Perryville) has 15 recorded violations in the past 5 years, including 5 health-based. Check the full report above for details.

Where does 21903's water come from?

The primary water source for ZIP code 21903 is Surface water. Town of Perryville serves approximately 4,413 people.

How can I get my water tested in Perryville?

Contact your local water utility (Town of Perryville) for a free Consumer Confidence Report, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

Is lead a concern in 21903 tap water?

The most recent lead sampling for 21903 recorded 0.002 mg/L. The EPA action level is 0.015 mg/L. This result is below the EPA action level.

What is the radon risk for 21903?

21903 falls in EPA Radon Zone 2 (Moderate risk), located in Cecil County. Zone 1 indicates the highest radon potential. Testing your home is recommended regardless of zone.

What contaminants were found in ZIP 21903 water?

According to the most recent Consumer Confidence Report, 7 contaminants were detected. The top contaminants include Haloacetic Acids (HAA5) (31 ppb), Total Trihalomethanes (TTHM) (52 ppb). See the full water quality breakdown above.

Are there flood risks in ZIP 21903?

Yes. FEMA records show 62 flood insurance claims filed in ZIP code 21903, with the dominant flood zone being A12. This is a significant flood history — consider a separate flood insurance policy through the National Flood Insurance Program.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 21903

ZIP Code City, State Distance Grade Violations
21902 Perry Point, MD 1.1 mi B 0
21078 Havre De Grace, MD 3.2 mi C 7
21904 Port Deposit, MD 3.5 mi C 9
21914 Charlestown, MD 4.3 mi C 0
21901 North East, MD 6.2 mi C 13
21005 Aberdeen Proving Ground, MD 6.9 mi D 0
21917 Colora, MD 7.5 mi D 6
21001 Aberdeen, MD 7.5 mi C 0
21911 Rising Sun, MD 8.5 mi B 2
21918 Conowingo, MD 9.4 mi C 0

Contaminants Detected in 21903

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Coverage: 16/17 risk factors Data sources →
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