LOWER MAHANOY TWP MUN AUTH
PWS ID: PA4490018 · DALMATIA, Pennsylvania 17017
Population Served
450
Total Violations
170
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 186
- County
- Northumberland
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 149
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Atrazine | MR | 10 | 2002 |
| Coliform (TCR) | MR | 10 | 1996 |
| TTHM | MR | 8 | 2023 |
| Coliform (TCR) | MCL | 6 | 2012 |
| Simazine | MR | 6 | 2011 |
| Nitrate | MR | 5 | 2019 |
| Public Notice | Other | 4 | 2024 |
| Groundwater Rule | TT | 4 | 2025 |
| p-Dichlorobenzene | MR | 4 | 1990 |
| Vinyl chloride | MR | 4 | 1990 |
| 1,2-Dichloroethane | MR | 4 | 1990 |
| 1,1-Dichloroethylene | MR | 4 | 1990 |
| 1,1,1-Trichloroethane | MR | 4 | 1990 |
| Benzene | MR | 4 | 1990 |
| cis-1,2-Dichloroethylene | MR | 4 | 1990 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 4 | 1990 |
| o-Dichlorobenzene | MR | 4 | 1990 |
| 1,2-Dichloropropane | MR | 4 | 1990 |
| CHLOROBENZENE | MR | 4 | 1990 |
| Ethylbenzene | MR | 4 | 1990 |
| Styrene | MR | 4 | 1990 |
| Carbon tetrachloride | MR | 4 | 1990 |
| Trichloroethylene | MR | 4 | 1990 |
| ETHYLENE DIBROMIDE | MR | 4 | 1990 |
| DICHLOROMETHANE | MR | 4 | 1990 |
| Tetrachloroethylene | MR | 4 | 1990 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2007 |
| 1,1,2-Trichloroethane | MR | 4 | 1990 |
| Toluene | MR | 4 | 1990 |
| trans-1,2-Dichloroethylene | MR | 4 | 1990 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.