WETHERILL ESTATES
PWS ID: PA1150209 · EXTON, Pennsylvania 19341
Population Served
250
Total Violations
310
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 75
- County
- Chester
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 270
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 26 | 2021 |
| Groundwater Rule | MR | 22 | 2023 |
| Chlorine | MR | 14 | 2012 |
| Lead and Copper Rule | MR | 8 | 2022 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 8 | 2000 |
| Public Notice | Other | 8 | 2021 |
| Nitrate | MR | 6 | 2010 |
| BHC-GAMMA | MR | 6 | 1998 |
| Endothall | MR | 6 | 1998 |
| Di(2-ethylhexyl) adipate | MR | 6 | 1998 |
| OXAMYL | MR | 6 | 1998 |
| Simazine | MR | 6 | 1998 |
| Di(2-ethylhexyl) phthalate | MR | 6 | 1998 |
| Picloram | MR | 6 | 1998 |
| Atrazine | MR | 6 | 1998 |
| LASSO | MR | 6 | 1998 |
| 2,4-D | MR | 6 | 1998 |
| Benzo(a)pyrene | MR | 6 | 1998 |
| Pentachlorophenol | MR | 6 | 1998 |
| ETHYLENE DIBROMIDE | MR | 6 | 1998 |
| Hexachlorocyclopentadiene | MR | 6 | 1998 |
| Chlordane | MR | 6 | 1998 |
| Carbofuran | MR | 6 | 1998 |
| Methoxychlor | MR | 6 | 1998 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2000 |
| cis-1,2-Dichloroethylene | MR | 4 | 2000 |
| DICHLOROMETHANE | MR | 4 | 2000 |
| 1,1-Dichloroethylene | MR | 4 | 2000 |
| trans-1,2-Dichloroethylene | MR | 4 | 2000 |
| 1,2-Dichloroethane | MR | 4 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.