WEST SHEFFIELD WATER ASSN
PWS ID: PA6620007 · SHEFFIELD, Pennsylvania 16347
Population Served
225
Total Violations
400
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 72
- County
- Warren
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 376
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 74 | 2011 |
| Chlorine | MR | 25 | 2022 |
| Nitrate | MR | 16 | 2019 |
| p-Dichlorobenzene | MR | 14 | 1994 |
| 1,1-Dichloroethylene | MR | 14 | 1994 |
| 1,2-Dichloroethane | MR | 14 | 1994 |
| 1,1,1-Trichloroethane | MR | 14 | 1994 |
| Carbon tetrachloride | MR | 14 | 1994 |
| Benzene | MR | 14 | 1994 |
| Trichloroethylene | MR | 14 | 1994 |
| Vinyl chloride | MR | 12 | 1992 |
| Coliform (TCR) | MCL | 8 | 2014 |
| Gross Alpha, Excl. Radon and U | MR | 8 | 1992 |
| Selenium | MR | 7 | 1994 |
| Mercury | MR | 7 | 1994 |
| Arsenic | MR | 7 | 1994 |
| Chromium | MR | 7 | 1994 |
| Cadmium | MR | 7 | 1994 |
| Barium | MR | 7 | 1994 |
| Fluoride | MR | 7 | 1994 |
| Radium-226 | MR | 6 | 2007 |
| Radium-228 | MR | 6 | 2007 |
| Revised Total Coliform Rule | MON | 6 | 2018 |
| Nitrite | MR | 6 | 2019 |
| Consumer Confidence Rule | Other | 5 | 2004 |
| Di(2-ethylhexyl) phthalate | MR | 4 | 2015 |
| Groundwater Rule | MR | 4 | 2023 |
| 2,4-D | MR | 3 | 1988 |
| Endrin | MR | 3 | 1988 |
| BHC-GAMMA | MR | 3 | 1988 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.