SHEFFIELD TWP MUNICIPAL AUTH
PWS ID: PA6620031 · SHEFFIELD, Pennsylvania 16347
Population Served
1,075
Total Violations
111
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 684
- County
- Warren
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 87
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | MR | 20 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 10 | 2014 |
| Groundwater Rule | TT | 8 | 2011 |
| Coliform (TCR) | MR | 6 | 2003 |
| Lead and Copper Rule | MR | 5 | 2019 |
| Chlorine | MR | 4 | 2004 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2024 |
| Public Notice | Other | 4 | 2011 |
| TTHM | MR | 4 | 2014 |
| Chromium | MR | 4 | 1986 |
| Cadmium | MR | 3 | 1986 |
| Barium | MR | 3 | 1986 |
| Mercury | MR | 3 | 1986 |
| Selenium | MR | 3 | 1986 |
| Nitrate | MR | 3 | 1986 |
| Fluoride | MR | 3 | 1986 |
| Arsenic | MR | 3 | 1986 |
| Nitrite | MR | 2 | 2014 |
| Combined Uranium | MR | 2 | 2024 |
| Radium-228 | MR | 2 | 2024 |
| Radium-226 | MR | 2 | 2024 |
| Benzene | MR | 1 | 2003 |
| Consumer Confidence Rule | Other | 1 | 2003 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.