BLAIR TWP WATER & SEWER AUTH
PWS ID: PA4070011 · DUNCANSVILLE, Pennsylvania 16635
Population Served
2,550
Total Violations
44
Health-Based Violations
3
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 905
- County
- Blair
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 34
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 12 | 2019 |
| Surface Water Treatment Rule | MR | 8 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2020 |
| TTHM | MR | 5 | 2020 |
| Coliform (TCR) | MR | 4 | 2007 |
| Surface Water Treatment Rule | TT | 3 | 2017 |
| Revised Total Coliform Rule | RPT | 2 | 2019 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.