ULSTER MUNICIPAL AUTHORITY
PWS ID: PA2080032 · ULSTER, Pennsylvania 18850
Population Served
500
Total Violations
501
Health-Based Violations
7
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 199
- County
- Bradford
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 468
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 133 | 2019 |
| Chlorine | MR | 29 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 29 | 2025 |
| TTHM | MR | 29 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | MR | 27 | 2023 |
| Coliform (TCR) | MR | 25 | 2015 |
| Consumer Confidence Rule | Other | 13 | 2017 |
| Nitrate | MR | 10 | 2014 |
| 1,2-Dichloroethane | MR | 10 | 2007 |
| Public Notice | Other | 9 | 2020 |
| p-Dichlorobenzene | MR | 8 | 2007 |
| Nitrite | MR | 7 | 2014 |
| Xylenes, Total | MR | 5 | 2007 |
| 1,1-Dichloroethylene | MR | 5 | 2007 |
| trans-1,2-Dichloroethylene | MR | 5 | 2007 |
| Carbon tetrachloride | MR | 5 | 2007 |
| Trichloroethylene | MR | 5 | 2007 |
| 1,1,2-Trichloroethane | MR | 5 | 2007 |
| CHLOROBENZENE | MR | 5 | 2007 |
| Toluene | MR | 5 | 2007 |
| Ethylbenzene | MR | 5 | 2007 |
| Styrene | MR | 5 | 2007 |
| Coliform (TCR) | MCL | 5 | 2014 |
| cis-1,2-Dichloroethylene | MR | 5 | 2007 |
| 1,1,1-Trichloroethane | MR | 5 | 2007 |
| 1,2-Dichloropropane | MR | 5 | 2007 |
| Tetrachloroethylene | MR | 5 | 2007 |
| Benzene | MR | 5 | 2007 |
| 1,2,4-Trichlorobenzene | MR | 5 | 2007 |
| DICHLOROMETHANE | MR | 5 | 2007 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.