Water Quality in West Chester, PA: 60 Violations — Grade D
Grade D · Score 52/100 · 2 water systems · Updated 2026-05-03
West Chester's water has significant violations. Water testing and filtration are recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Looking at EPA compliance data for West Chester, PA, the record shows 60 violations — findings that span health-based exceedances, monitoring lapses, and enforcement events tied to local utilities in the SDWIS database.
Water Quality Map: West Chester, PA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Water Quality by ZIP Code in West Chester
Water quality varies across West Chester's 5 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 19380 | D | 46 | 12 | 1 | View report → |
| 19382 | D | 46 | 12 | 1 | View report → |
| 19383 | D | 54 | 12 | 1 | View report → |
| 19388 | D | 54 | 12 | 1 | View report → |
| 19381 | C | 61 | 12 | 1 | View report → |
Water Quality Overview
West Chester, Pennsylvania receives a water quality grade of D with an overall score of 52 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 2 water systems serving West Chester have accumulated 60 EPA violations, including 5 health-based violations. These violations are tracked across 5 ZIP codes serving approximately 1,200 people.
What Grade D Means
A grade of D indicates significant compliance issues. West Chester's water systems have accumulated violations that suggest ongoing water quality challenges. Residents should check their specific ZIP code report and consider water testing or filtration.
Lead Levels
Lead testing data for West Chester is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
With 66% of homes built before 1986, West Chester has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Radon Risk
West Chester is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.
Water Systems Serving West Chester
West Chester is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 1,200 people across 5 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 50 enforcement actions against water systems serving West Chester. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in West Chester
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in West Chester Water Systems
The following contaminants have been detected or caused violations across West Chester's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | N/A | 15 | 5 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 0.06 mg/L | 5 | 5 | No |
| Lead and Copper Rule | Treatment Technique | N/A | 5 | 5 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving West Chester. Recent actions:
| Date | Action Type |
|---|---|
| 2024-10-23 | State Informal Action |
| 2024-10-23 | State Informal Enforcement |
| 2024-10-23 | State Informal Action |
| 2024-10-23 | State Order Extension |
| 2023-04-20 | State Informal Enforcement |
| 2023-04-20 | State Informal Action |
| 2023-04-20 | State Order Extension |
| 2023-02-22 | State Order Extension |
| 2023-01-26 | State Filed Judgment |
| 2022-05-12 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2024-10-23.
West Chester vs. Nearby Pennsylvania Cities
How West Chester's water quality compares to similar cities in Pennsylvania:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| West Chester | D | 60 | 2 | 1,200 |
| Arendtsville | C | 12 | 1 | 1,200 |
| Fredericksburg | D | 3 | 1 | 1,200 |
| Galeton | B | 9 | 1 | 1,200 |
Water Quality by ZIP Code in West Chester
Water quality varies across West Chester's ZIP codes. The table below shows the worst-scoring and best-scoring areas:
| ZIP Code | Score | Grade | Violations | Health-Based |
|---|---|---|---|---|
| 19380 | 46 | D | 12 | 1 |
| 19382 | 46 | D | 12 | 1 |
| 19383 | 54 | D | 12 | 1 |
| 19388 | 54 | D | 12 | 1 |
| 19381 | 61 | C | 12 | 1 |
Common Questions About West Chester Water
These are the most common questions residents search for about water quality in West Chester, Pennsylvania:
Is West Chester water hard or soft? Water hardness varies by source. West Chester's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink West Chester tap water? West Chester's water receives a grade of D (52/100). There are 5 health-based violations — consider filtration.
What is the best water filter for West Chester? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
West Chester vs. Pennsylvania Average
Understanding how West Chester compares to the broader Pennsylvania average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within West Chester.
ZIP Codes in West Chester
West Chester spans 5 ZIP codes. The ZIP with the lowest water quality score is 19380. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
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
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.