CITY REPORT PA 1 HEALTH VIOLATIONS

Upper Darby, PA: 1 Health Violation - Home Safety 40/100

1 ZIP code · 1 water system · Updated

ZipCheckup grade for Upper Darby: D.

Several federal signals point to home-safety risks in this ZIP.

Your top priority: see the breakdown below and consider a certified water filter. NSF certified filters →

Within Upper Darby, water quality data indicates below-average safety by PA standards - independent testing is a reasonable precaution for residents whose systems show active violations.

How Upper Darby Compares

Upper Darby40/100
Pennsylvania avg57/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
1
ZIPs with Violations
D · 40
Avg Safety Score
Zone 3
Radon Risk (Low)
$155K
Median Home Value
$1,800
Est. Remediation (1.2% of home value)

What You Should Know About Upper Darby Water

  • Your city's water systems recorded 30 violations in the past 5 years.
  • Homes built before 1986: 94% - older plumbing may contain lead solder.
  • Estimated remediation: $1,800 per household.

Who Supplies Your Water in Upper Darby

Federal records list 1 water system serving Upper Darby, PA. One provider accounts for the large majority of residential water connections in the area, concentrating infrastructure and compliance accountability.

Overview

We track home safety data for 1 ZIP code in Upper Darby, Pennsylvania (population ~41,875), covering 1 community water system serving approximately 822,600 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 Upper Darby: D (40/100)

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

Upper Darby water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0000 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 3 (Low Risk)

Top Contaminants

Contaminant Category Violations ZIPs Affected
Barium Inorganic 4 1
Contaminant 1009 Other 4 1
Cadmium Inorganic 4 1
Chromium Inorganic 4 1
Fluoride Inorganic 4 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
19082 D 30 1 Aqua Pa Main System

All ZIP Codes in Upper Darby

  • 19082 [D] - 30 violations ⚠

Data Sources

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

Top Contaminants in Upper Darby Water

Barium 4 violations
Inorganic · EPA limit: 2 mg/L
Increased blood pressure
Contaminant 1009 4 violations
Other
Cadmium 4 violations
Inorganic · EPA limit: 0.005 mg/L

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

Housing & Infrastructure in Upper Darby

1944
Median Build Year
94%
Built Before 1986
74%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 94% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

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

Housing Age Profile

Pre-1986 plumbing is not a rare legacy case in Upper Darby - it's the dominant profile. The median build year of 1944 indicates a housing stock where lead-soldered copper joints are a common structural feature of residences across the city.

1944
Median Year Built
94%
Pre-1986 (Lead Paint Risk)
74%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (74%) 1970–1986 (20%) Post-1986 (6%)

Over half of homes in Upper Darby were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Cost Context: What Remediation Means for Upper Darby Homeowners

Property value and cost data for Upper Darby produce a moderate remediation-share classification - a level where advance financial planning has real practical value and the commitment is realistic for most homeowners who approach it deliberately.

Median Home Value
$155,400
Est. Remediation
$1,800
Remediation as % of home value 1.2%

Remediation costs are moderate relative to home values in Upper Darby. The estimated $1,200–$2,600 range is manageable for most homeowners but still worth budgeting for. Home values are 27% below the Pennsylvania average.

Lead Exposure Risk for Children in Upper Darby

94%
Homes Built Before 1986

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.

Confirming what arrives at a specific faucet is something utility-side averages cannot do. With 94% of Upper Darby stock built before the lead-solder ban and citywide monitoring at or beyond the regulatory mark, a tap-level kit fits the standard diligence picture.

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

Historical NFIP Claim Context in Upper Darby

361
Total FEMA Flood Claims
$16,330
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Upper Darby contains 361 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $16,330. Among ZIP codes with claim records, 100% 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>$1,800</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.

What You Can Do in Upper Darby

  1. Test your water at home. City-level data shows averages - your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
  2. Install a certified water filter. Filters rated for Barium can reduce the most common contaminant found in Upper Darby's water.
  3. Check your home's plumbing. With 94% of homes built before 1986, lead solder is a real possibility.
  4. Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.

Frequently Asked Questions

What does the Home Safety Score mean for Upper Darby, PA?
Upper Darby has an average Home Safety Score of 40/100 (Grade D) 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. 30 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Upper Darby have?
Upper Darby water systems have a total of 30 EPA violations, including 1 health-based violation. Violations are tracked across 1 ZIP code.
How does Upper Darby compare to Pennsylvania average?
Upper Darby has an average Home Safety Score of 40/100, which is below the Pennsylvania state average of 57/100 for the same model series.
How many water systems serve Upper Darby?
Upper Darby is served by 1 public water system across 1 ZIP code, serving approximately 41,875 people.
How much does it cost to fix water issues in Upper Darby?
Estimated remediation costs in Upper Darby average $1,800 per household, ranging from $1,200 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesPennsylvania → Upper Darby, PA

How to cite this page

APA ZipCheckup. (2026). Upper Darby, PA: 1 Health Violation - Home Safety 40/100. https://zipcheckup.com/cities/pa/upper-darby/
BibTeX
@misc{zipcheckup-cities-pa-upper-darby,
  author = {{ZipCheckup}},
  title  = {{Upper Darby, PA: 1 Health Violation - Home Safety 40/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/pa/upper-darby/}
}

Page version: August 2026.

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