GRAYLING WATER SYSTEM
PWS ID: AK2280066 · GRAYLING, Alaska 99590
Population Served
207
Total Violations
2,201
Health-Based Violations
127
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 60
- County
- Yukon-Koyukuk Census Area
- School/Daycare
- No
- MCL Violations
- 18
- Monitoring Violations
- 1,752
- Treatment Tech Violations
- 109
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 329 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | MR | 163 | 2025 |
| Chlorine | MR | 124 | 2025 |
| Coliform (TCR) | MR | 114 | 2016 |
| Revised Total Coliform Rule | MON | 81 | 2025 |
| E. COLI | MR | 81 | 2025 |
| Surface Water Treatment Rule | TT | 54 | 2025 |
| Revised Total Coliform Rule | TT | 36 | 2023 |
| Benzene | MR | 21 | 2023 |
| p-Dichlorobenzene | MR | 20 | 2023 |
| 1,1,1-Trichloroethane | MR | 20 | 2023 |
| 1,1-Dichloroethylene | MR | 20 | 2023 |
| 1,2-Dichloroethane | MR | 20 | 2023 |
| Carbon tetrachloride | MR | 20 | 2023 |
| Trichloroethylene | MR | 20 | 2023 |
| Xylenes, Total | MR | 19 | 2023 |
| Toluene | MR | 19 | 2023 |
| Ethylbenzene | MR | 19 | 2023 |
| Tetrachloroethylene | MR | 18 | 2023 |
| cis-1,2-Dichloroethylene | MR | 18 | 2023 |
| trans-1,2-Dichloroethylene | MR | 18 | 2023 |
| o-Dichlorobenzene | MR | 18 | 2023 |
| Styrene | MR | 18 | 2023 |
| 1,2-Dichloropropane | MR | 18 | 2023 |
| CHLOROBENZENE | MR | 18 | 2023 |
| Vinyl chloride | MR | 18 | 2023 |
| Interim Enhanced Surface Water Treatment Rule | TT | 18 | 2025 |
| DICHLOROMETHANE | MR | 17 | 2023 |
| 1,1,2-Trichloroethane | MR | 17 | 2023 |
| 1,2,4-Trichlorobenzene | MR | 17 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.