CITY REPORT MD 1 HEALTH VIOLATIONS

Hanover, MD: 1 Health Violation - Home Safety 80/100

Name: Water Quality Data for Hanover, MD
Creator: ZipCheckup
License: https://creativecommons.org/licenses/by/4.0/

1 ZIP code · 5 water systems · Updated

ZipCheckup grade for Hanover: B.

This ZIP looks solid, with a few items worth a quick check.

Unlike many cities its size in MD, Hanover keeps health-based violation rates low - systems here score at or above the state average for tap water safety, with no systemic concerns flagged in the current data set.

How Hanover Compares

Hanover80/100

Maryland avg69/100

National avg73/100

Data: EPA SDWIS

ZIP Codes

Water Systems

ZIPs with Violations

B · 80

Avg Safety Score

Zone 2

Radon Risk (Moderate)

$492K

Median Home Value

$1,600

Est. Remediation (0.3% of home value)

Hanover Water: The Quick Version

Your city's water systems recorded 7 violations in the past 5 years.
Average lead level: 0.003 mg/L.
Homes built before 1986: 19% - older plumbing may contain lead solder.
Estimated remediation: $1,600 per household.
CDC health risk index: 11.75.

Water Systems Serving Hanover

5 water systems are tracked federally in Hanover, MD. The top 3 providers collectively serve most residential addresses, but because they operate independently, infrastructure maintenance standards and compliance histories differ from one service zone to another.

Glen Burnie-broadneck
Serves ~290,606 people 2 violations

B
Howard County D.p.w. Distribution
Serves ~286,158 people 1 violation

B
Fort George G. Meade
Serves ~62,234 people

B

Overview

We track home safety data for 1 ZIP code in Hanover, Maryland (population ~23,642), covering 5 community water systems serving approximately 643,889 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.

Home Safety Score

Average Home Safety Score for Hanover: B (80/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor	What It Measures
Water Quality	EPA violations and compliance history
PFAS MCL Screen	UCMR 5 testing against the covered federal MCLs
Radon Risk	EPA radon zone classification
Annual AQI	EPA AirData county-year median with at least 90 observed days

Water Sources

Hanover water systems draw from: Groundwater, Surface water.

Lead & Copper

Average lead level (90th percentile): 0.0030 mg/L (EPA action level: 0.015 mg/L)
0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant	Category	Violations	ZIPs Affected
Surface Water Treatment Rule	Treatment Technique	6	1
Stage 2 DBP Rule	Treatment Technique	4	1
Lead	Inorganic	2	1
Stage 1 DBP Rule	Treatment Technique	2	1

Areas with Most Violations

ZIP Code	Safety Score	Violations	Health-Based	System
21076	B	7	1	Glen Burnie-broadneck

All ZIP Codes in Hanover

21076 [B] - 7 violations ⚠

Data Sources

Water quality: EPA Safe Drinking Water Information System (SDWIS)
Lead/copper: EPA Lead and Copper Rule sampling data
Radon: EPA Map of Radon Zones

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

CDC Health Data for Hanover

10%

Asthma (US: 9.8%)

10.4%

Diabetes (US: 10.4%)

14.6%

Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 10% ↑

Diabetes 10.4% ↓

Mental Health 14.6% ↓

Vertical line = national average. ■ Above national · ■ Below national

Key Contaminants Detected in Hanover

Surface Water Treatment Rule 6 violations

Treatment Technique

Pathogens may not be adequately removed

Stage 2 DBP Rule 4 violations

Treatment Technique

Disinfection byproduct exposure risk

Lead 2 violations

Inorganic · EPA limit: 0.015 mg/L

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

How Old Is Hanover's Housing Stock?

2003

Median Build Year

19%

Built Before 1986

Built Before 1970

PEX or Copper

Likely Pipe Material

Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Hanover has a newer housing profile - median build year 2003, placing most homes after the 1986 lead-solder ban.

2003

Median Year Built

19%

Pre-1986 (Lead Paint Risk)

Pre-1970 (Lead Pipes Risk)

Pre-1970 (4%) 1970–1986 (15%) Post-1986 (81%)

Most homes in Hanover were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.

Source: U.S. Census Bureau ACS B25034.

Hanover: Remediation Cost in Perspective

When estimated remediation is placed alongside median property values in Hanover, the resulting ratio is low - a finding consistent with a household financial perspective where documented issues can be addressed without a meaningful impact on overall equity position, making this market one of the more favorable contexts for remediation planning.

Median Home Value

$492,100

Est. Remediation

$1,600

Remediation as % of home value 0.3%

Remediation costs in Hanover are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 15% above the Maryland average.

Protecting Children from Lead in Hanover

19%

Homes Built Before 1986

0.003

mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Pre-rule stock in Hanover accounts for 19% of the inventory - a modest fraction - and citywide samples land safely beneath the federal action mark.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Historical Flood-Claim Evidence for Hanover

Total FEMA Flood Claims

$4,847

Avg Reported Sum With Payment Data

A/V Share of Claim-Record ZIPs

Historical NFIP data for Hanover contains 8 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $4,847. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,600</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Deep Dive Reports

Detailed analysis for Hanover, MD

💧

Water Quality

EPA violations, contaminant data, and water system grades

7 EPA violations

⚠️

Lead Risk

Lead levels, housing age, and pipe risk assessment

0.003 mg/L avg lead

🌊

Flood Risk

NFIP claim history, recorded rated-zone context, and FEMA property-map guidance

1 monitored ZIP code

🌬️

Air Quality

AQI data, wildfire smoke risk, mold risk, and health tips

🏠

Home Safety

Composite safety score, remediation costs, equity trap analysis

80/100 safety score

🔧

Infrastructure

Water system age, source indicators, and CO/gas safety

Compare with Nearby Cities

Abell, MD

1 ZIP code

Aberdeen, MD

1 ZIP code · 5 EPA violations · Grade D

Aberdeen Proving Ground, MD

1 ZIP code · 3 EPA violations · Grade D

Abingdon, MD

1 ZIP code · 3 EPA violations · Grade C

Accident, MD

1 ZIP code

Frequently Asked Questions

What does the Home Safety Score mean for Hanover, MD?

Hanover has an average Home Safety Score of 80/100 (Grade B) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. 7 EPA violations have been recorded. Check individual ZIP code reports for component details.

How many water violations does Hanover have?

Hanover water systems have a total of 7 EPA violations, including 1 health-based violation. Violations are tracked across 1 ZIP code.

Does Hanover water have lead?

The average 90th-percentile lead level in Hanover is 0.003 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.

How does Hanover compare to Maryland average?

Hanover has an average Home Safety Score of 80/100, which is above the Maryland state average of 69/100 for the same model series.

How many water systems serve Hanover?

Hanover is served by 5 public water systems across 1 ZIP code, serving approximately 23,642 people.

How much does it cost to fix water issues in Hanover?

Estimated remediation costs in Hanover average $1,600 per household, ranging from $800 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.

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