West Chester, PA: 5 Health Violations — 52/100 (2026)
5 ZIP codes · 6 water systems · Updated 2026-06-03
Across water systems in West Chester, EPA data shows a below-average compliance pattern for PA — health-based violations are on file in several areas, and checking the specific system serving your address is a practical first step for concerned residents.
How West Chester Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: West Chester, PA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for West Chester's 5 ZIP codes.
Key Facts for West Chester Residents
- Your city's water systems recorded 60 violations in the past 5 years.
- Homes built before 1986: 66% — older plumbing may contain lead solder.
- Estimated remediation: $2,820 per household.
West Chester's Water Providers
Residential water service in West Chester, PA is divided among 3 separate utilities, drawn from 6 systems on file with federal regulators.
Overview
We track water quality and home safety data for 5 ZIP codes in West Chester, Pennsylvania (population ~109,020), covering 6 community water systems serving approximately 1,013,298 people region-wide.
5 of 5 ZIP codes (100%) have recorded EPA violations. 5 health-based violations documented.
Home Safety Score
Average Home Safety Score for West Chester: D (52/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
West Chester water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for West Chester
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 5 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Contaminant 0700 | Other | 36 | 5 |
| Stage 1 DBP Rule | Treatment Technique | 18 | 5 |
| Contaminant 2383 | Other | 6 | 5 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 6 | 5 |
| Lead and Copper Rule | Treatment Technique | 6 | 5 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 19380 | D | 12 | 1 | Aqua Pa Main System |
| 19381 | C | 12 | 1 | Westtown School |
| 19382 | D | 12 | 1 | Aqua Pa Main System |
| 19383 | D | 12 | 1 | Aqua Pa Main System |
| 19388 | D | 12 | 1 | Westtown School |
All ZIP Codes in West Chester
- 19380 [D] — 12 violations ⚠
- 19381 [C] — 12 violations ⚠
- 19382 [D] — 12 violations ⚠
- 19383 [D] — 12 violations ⚠
- 19388 [D] — 12 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
Updated daily.
What's in West Chester's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
West Chester Infrastructure Age
With 66% 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
The lead that enters tap water in older homes often comes not from the municipal supply but from the home's own plumbing — from solder used in copper joints before the 1986 federal ban, or from lead pipes installed before 1970. In West Chester, where the median build year is 1973, these older materials are widespread. More than half the residential stock predates the 1986 solder ban, and a significant fraction predates 1970 as well. For residents in those homes, the city-wide water quality picture is a less relevant frame than the specific materials inside their own walls and under their own street.
Over half of homes in West Chester 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.
How Remediation Costs Compare in West Chester
Within the West Chester market, estimated remediation claims a small portion of typical property equity — the financial burden is proportionally low.
Remediation costs in West Chester are relatively low compared to home values. The $1,830–$3,960 estimated range is a small fraction of median property value. Home values are 154% above the Pennsylvania average.
West Chester: Lead Risk & Vulnerable Populations
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.
Although utility-side compliance with federal Lead and Copper requirements remains the system reference, that compliance does not extend down into interior plumbing. With 66% of West Chester stock built before the solder ban and aggregate readings at or beyond the action mark, a household-level sample becomes the practical way to close that information gap.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
West Chester: Flood History & Water Damage Risk
Although West Chester's flood history doesn't reach high-severity thresholds, NFIP data documents 476 claims and FEMA maps place 60% of ZIP codes in designated flood zones — a combined profile that makes flood-related water quality considerations a reasonable planning baseline.
West Chester has a moderate flood history with 476 FEMA claims averaging $13,887 per payout. 60% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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. Flood damage can add significantly to the estimated <strong>$2,820</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in West Chester
- 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.
- Install a certified water filter. Filters rated for Contaminant 0700 can reduce the most common contaminant found in West Chester's water.
- Check your home's plumbing. With 66% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for West Chester, PA