DEFIANCE WATER ASSN
PWS ID: PA4050024 · DEFIANCE, Pennsylvania 16633
Population Served
205
Total Violations
641
Health-Based Violations
8
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 72
- County
- Bedford
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 569
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 195 | 2023 |
| Consumer Confidence Rule | Other | 38 | 2022 |
| Chlorine | MR | 27 | 2006 |
| TTHM | MR | 24 | 2022 |
| Nitrate | MR | 22 | 2022 |
| Total Haloacetic Acids (HAA5) | MR | 22 | 2022 |
| Coliform (TCR) | MR | 11 | 2010 |
| Lead and Copper Rule | MR | 9 | 2022 |
| Surface Water Treatment Rule | TT | 8 | 2016 |
| Public Notice | Other | 7 | 2021 |
| Nitrite | MR | 7 | 2022 |
| cis-1,2-Dichloroethylene | MR | 5 | 2002 |
| DICHLOROMETHANE | MR | 5 | 2002 |
| o-Dichlorobenzene | MR | 5 | 2002 |
| 1,2-Dichloropropane | MR | 5 | 2002 |
| Tetrachloroethylene | MR | 5 | 2002 |
| CHLOROBENZENE | MR | 5 | 2002 |
| Toluene | MR | 5 | 2002 |
| Ethylbenzene | MR | 5 | 2002 |
| Styrene | MR | 5 | 2002 |
| Barium | MR | 5 | 2024 |
| Chromium | MR | 5 | 2024 |
| CYANIDE | MR | 5 | 2024 |
| Fluoride | MR | 5 | 2024 |
| Mercury | MR | 5 | 2024 |
| Antimony, Total | MR | 5 | 2024 |
| Thallium, Total | MR | 5 | 2024 |
| 2,3,7,8-TCDD | MR | 5 | 2024 |
| Cadmium | MR | 5 | 2024 |
| Nickel | MR | 5 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.