SEATONS GROVE
PWS ID: 105300115 · NESPELEM, 10 99155
Population Served
115
Total Violations
314
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 41
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 288
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 17 | 2025 |
| Gross Alpha, Excl. Radon and U | MR | 12 | 2017 |
| Combined Uranium | MR | 12 | 2017 |
| Combined Radium (-226 and -228) | MR | 12 | 2017 |
| Nitrate | MR | 7 | 2023 |
| Coliform (TCR) | MR | 5 | 2005 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2020 |
| cis-1,2-Dichloroethylene | MR | 4 | 2020 |
| Xylenes, Total | MR | 4 | 2020 |
| DICHLOROMETHANE | MR | 4 | 2020 |
| o-Dichlorobenzene | MR | 4 | 2020 |
| p-Dichlorobenzene | MR | 4 | 2020 |
| Vinyl chloride | MR | 4 | 2020 |
| 1,1-Dichloroethylene | MR | 4 | 2020 |
| trans-1,2-Dichloroethylene | MR | 4 | 2020 |
| 1,1,1-Trichloroethane | MR | 4 | 2020 |
| Carbon tetrachloride | MR | 4 | 2020 |
| 1,1,2-Trichloroethane | MR | 4 | 2020 |
| Tetrachloroethylene | MR | 4 | 2020 |
| Benzene | MR | 4 | 2020 |
| Toluene | MR | 4 | 2020 |
| Atrazine | MR | 4 | 2017 |
| Hexachlorocyclopentadiene | MR | 4 | 2017 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2017 |
| Total Polychlorinated Biphenyls (PCB) | MR | 4 | 2017 |
| Di(2-ethylhexyl) phthalate | MR | 4 | 2017 |
| Benzo(a)pyrene | MR | 4 | 2017 |
| LASSO | MR | 4 | 2017 |
| 1,2-Dichloropropane | MR | 4 | 2020 |
| Ethylbenzene | MR | 4 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.