CHENEGA
PWS ID: AK2291952 · ANCHORAGE, Alaska 99503
Population Served
50
Total Violations
2,091
Health-Based Violations
74
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 30
- County
- Valdez-Cordova Census Area
- School/Daycare
- No
- MCL Violations
- 19
- Monitoring Violations
- 1,880
- Treatment Tech Violations
- 55
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 220 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | MR | 95 | 2025 |
| Chlorine | MR | 89 | 2025 |
| Revised Total Coliform Rule | MON | 83 | 2025 |
| Coliform (TCR) | MR | 74 | 2016 |
| Surface Water Treatment Rule | TT | 47 | 2024 |
| E. COLI | MR | 36 | 2022 |
| Nitrate | MR | 33 | 2018 |
| Endrin | MR | 27 | 2016 |
| Toxaphene | MR | 27 | 2016 |
| 2,4,5-TP | MR | 27 | 2016 |
| 2,4-D | MR | 27 | 2016 |
| BHC-GAMMA | MR | 27 | 2016 |
| Methoxychlor | MR | 27 | 2016 |
| Picloram | MR | 27 | 2016 |
| Simazine | MR | 26 | 2016 |
| Total Polychlorinated Biphenyls (PCB) | MR | 26 | 2016 |
| Pentachlorophenol | MR | 26 | 2016 |
| Diquat | MR | 26 | 2016 |
| Dinoseb | MR | 26 | 2016 |
| Heptachlor epoxide | MR | 26 | 2016 |
| Heptachlor | MR | 26 | 2016 |
| Atrazine | MR | 26 | 2016 |
| Chlordane | MR | 26 | 2016 |
| ETHYLENE DIBROMIDE | MR | 26 | 2016 |
| Trichloroethylene | MR | 25 | 2018 |
| Benzene | MR | 24 | 2018 |
| 1,1-Dichloroethylene | MR | 24 | 2018 |
| p-Dichlorobenzene | MR | 24 | 2018 |
| Carbon tetrachloride | MR | 24 | 2018 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.