NELSON TOWNSHIP AUTHORITY
PWS ID: PA2590051 · NELSON, Pennsylvania 16940
Population Served
300
Total Violations
1,725
Health-Based Violations
143
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 123
- County
- Tioga
- School/Daycare
- No
- MCL Violations
- 61
- Monitoring Violations
- 1,227
- Treatment Tech Violations
- 82
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Public Notice | Other | 343 | 2024 |
| Chlorine | MR | 127 | 2021 |
| Surface Water Treatment Rule | MR | 127 | 2023 |
| Interim Enhanced Surface Water Treatment Rule | MR | 102 | 2025 |
| CARBON, TOTAL | MR | 97 | 2015 |
| CARBON, TOTAL | TT | 82 | 2023 |
| Radium-226 | MR | 61 | 2011 |
| Radium-228 | MR | 61 | 2011 |
| Combined Uranium | MR | 55 | 2011 |
| TTHM | MCL | 54 | 2020 |
| Nitrate | MR | 25 | 2022 |
| Coliform (TCR) | MR | 21 | 2014 |
| TTHM | MR | 17 | 2022 |
| Total Haloacetic Acids (HAA5) | MR | 14 | 2022 |
| Nitrite | MR | 13 | 2022 |
| Endrin | MR | 12 | 2015 |
| Toxaphene | MR | 12 | 2015 |
| Hexachlorocyclopentadiene | MR | 12 | 2015 |
| Atrazine | MR | 12 | 2015 |
| LASSO | MR | 12 | 2015 |
| Heptachlor | MR | 12 | 2015 |
| 2,4,5-TP | MR | 12 | 2015 |
| HEXACHLOROBENZENE | MR | 12 | 2015 |
| Benzo(a)pyrene | MR | 12 | 2015 |
| Pentachlorophenol | MR | 12 | 2015 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 12 | 2015 |
| ETHYLENE DIBROMIDE | MR | 12 | 2015 |
| Chlordane | MR | 12 | 2015 |
| Methoxychlor | MR | 12 | 2015 |
| Dalapon | MR | 12 | 2015 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.