WESTTOWN SCHOOL
PWS ID: PA1150834 · WEST CHESTER, Pennsylvania 19382
Population Served
900
Total Violations
651
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Public/Private
- Connections
- 28
- County
- Chester
- School/Daycare
- Yes
- MCL Violations
- 10
- Monitoring Violations
- 614
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 28 | 2018 |
| Groundwater Rule | MR | 26 | 2022 |
| Di(2-ethylhexyl) phthalate | MR | 23 | 2009 |
| Benzo(a)pyrene | MR | 23 | 2009 |
| Di(2-ethylhexyl) adipate | MR | 23 | 2009 |
| Chlorine | MR | 22 | 2017 |
| LASSO | MR | 21 | 2009 |
| Hexachlorocyclopentadiene | MR | 21 | 2009 |
| Pentachlorophenol | MR | 21 | 2009 |
| Public Notice | Other | 17 | 2016 |
| 1,2,4-Trichlorobenzene | MR | 13 | 2009 |
| Xylenes, Total | MR | 13 | 2009 |
| DICHLOROMETHANE | MR | 13 | 2009 |
| p-Dichlorobenzene | MR | 13 | 2009 |
| 1,1,1-Trichloroethane | MR | 13 | 2009 |
| Carbon tetrachloride | MR | 13 | 2009 |
| 1,2-Dichloropropane | MR | 13 | 2009 |
| Trichloroethylene | MR | 13 | 2009 |
| Tetrachloroethylene | MR | 13 | 2009 |
| Benzene | MR | 13 | 2009 |
| Toluene | MR | 13 | 2009 |
| Styrene | MR | 13 | 2009 |
| cis-1,2-Dichloroethylene | MR | 13 | 2009 |
| 1,1-Dichloroethylene | MR | 13 | 2009 |
| trans-1,2-Dichloroethylene | MR | 13 | 2009 |
| 1,1,2-Trichloroethane | MR | 13 | 2009 |
| Ethylbenzene | MR | 13 | 2009 |
| o-Dichlorobenzene | MR | 13 | 2009 |
| 1,2-Dichloroethane | MR | 13 | 2009 |
| CHLOROBENZENE | MR | 13 | 2009 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.