COLLOMSVILLE MUTUAL WATERWORKS
PWS ID: PA4410179 · WILLIAMSPORT, Pennsylvania 17702
Population Served
250
Total Violations
917
Health-Based Violations
7
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 87
- County
- Lycoming
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 710
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Public Notice | Other | 132 | 2024 |
| Consumer Confidence Rule | Other | 35 | 2024 |
| Chlorine | MR | 33 | 2018 |
| Nitrate | MR | 27 | 2024 |
| Nitrite | MR | 17 | 2024 |
| Heptachlor epoxide | MR | 17 | 2021 |
| 2,3,7,8-TCDD | MR | 15 | 2021 |
| Endrin | MR | 14 | 2021 |
| BHC-GAMMA | MR | 14 | 2021 |
| Hexachlorocyclopentadiene | MR | 14 | 2021 |
| 2,4-D | MR | 14 | 2021 |
| HEXACHLOROBENZENE | MR | 14 | 2021 |
| Chlordane | MR | 14 | 2021 |
| Toxaphene | MR | 14 | 2021 |
| Methoxychlor | MR | 14 | 2021 |
| Heptachlor | MR | 14 | 2021 |
| Carbofuran | MR | 13 | 2021 |
| Total Polychlorinated Biphenyls (PCB) | MR | 13 | 2021 |
| Dalapon | MR | 11 | 2021 |
| Glyphosate | MR | 11 | 2021 |
| OXAMYL | MR | 11 | 2021 |
| Simazine | MR | 11 | 2021 |
| Dinoseb | MR | 11 | 2021 |
| Atrazine | MR | 11 | 2021 |
| Benzo(a)pyrene | MR | 11 | 2021 |
| Pentachlorophenol | MR | 11 | 2021 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 11 | 2021 |
| Endothall | MR | 11 | 2021 |
| ETHYLENE DIBROMIDE | MR | 11 | 2021 |
| Arsenic | MR | 11 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.