ST. MARYS WATER SYSTEM
PWS ID: AK2270176 · SAINT MARYS, Alaska 99658
Population Served
548
Total Violations
387
Health-Based Violations
27
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 174
- County
- Wade Hampton Census Area
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 234
- Treatment Tech Violations
- 26
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | MR | 36 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 20 | 2025 |
| Lead and Copper Rule | MR | 19 | 2025 |
| Surface Water Treatment Rule | MR | 18 | 2024 |
| Interim Enhanced Surface Water Treatment Rule | TT | 18 | 2024 |
| TTHM | MR | 16 | 2025 |
| Consumer Confidence Rule | Other | 10 | 2021 |
| Coliform (TCR) | MR | 8 | 2013 |
| Surface Water Treatment Rule | TT | 8 | 2024 |
| Nitrate | MR | 7 | 2022 |
| Chlorine | MR | 6 | 2024 |
| 1,1,1-Trichloroethane | MR | 4 | 2012 |
| Carbon tetrachloride | MR | 4 | 2012 |
| Trichloroethylene | MR | 4 | 2012 |
| 1,2-Dichloroethane | MR | 4 | 2012 |
| 1,1-Dichloroethylene | MR | 4 | 2012 |
| p-Dichlorobenzene | MR | 4 | 2012 |
| Arsenic | MR | 4 | 2005 |
| Benzene | MR | 4 | 2012 |
| Xylenes, Total | MR | 3 | 2012 |
| o-Dichlorobenzene | MR | 3 | 2012 |
| Styrene | MR | 3 | 2012 |
| 1,2-Dichloropropane | MR | 3 | 2012 |
| trans-1,2-Dichloroethylene | MR | 3 | 2012 |
| CHLOROBENZENE | MR | 3 | 2012 |
| Toluene | MR | 3 | 2012 |
| Ethylbenzene | MR | 3 | 2012 |
| cis-1,2-Dichloroethylene | MR | 3 | 2012 |
| Vinyl chloride | MR | 3 | 2012 |
| Selenium | MR | 3 | 1991 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.