FREDONIA BORO
PWS ID: PA6430036 · FREDONIA, Pennsylvania 16124
Population Served
443
Total Violations
333
Health-Based Violations
25
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 254
- County
- Mercer
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 284
- Treatment Tech Violations
- 25
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | MR | 50 | 2025 |
| Groundwater Rule | TT | 25 | 2025 |
| Public Notice | Other | 16 | 2024 |
| Arsenic | MR | 16 | 2024 |
| Nitrate | MR | 11 | 2015 |
| Chlorine | MR | 9 | 2018 |
| Lead and Copper Rule | MR | 8 | 1994 |
| Barium | MR | 8 | 1997 |
| Cadmium | MR | 8 | 1997 |
| Chromium | MR | 8 | 1997 |
| Fluoride | MR | 8 | 1997 |
| Mercury | MR | 8 | 1997 |
| Selenium | MR | 8 | 1997 |
| Nickel | MR | 7 | 1997 |
| Antimony, Total | MR | 7 | 1997 |
| Beryllium, Total | MR | 7 | 1997 |
| Thallium, Total | MR | 7 | 1997 |
| CYANIDE | MR | 7 | 1997 |
| Consumer Confidence Rule | Other | 6 | 2005 |
| TTHM | MR | 6 | 2014 |
| Coliform (TCR) | MR | 6 | 2004 |
| Total Haloacetic Acids (HAA5) | MR | 6 | 2014 |
| 1,2,4-Trichlorobenzene | MR | 4 | 1994 |
| cis-1,2-Dichloroethylene | MR | 4 | 1994 |
| trans-1,2-Dichloroethylene | MR | 4 | 1994 |
| 1,2-Dichloroethane | MR | 4 | 1994 |
| 1,2-Dichloropropane | MR | 4 | 1994 |
| Trichloroethylene | MR | 4 | 1994 |
| 1,1,2-Trichloroethane | MR | 4 | 1994 |
| Tetrachloroethylene | MR | 4 | 1994 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.