CHEWELAH WATER DEPT SOUTH
PWS ID: WA5312750 · Chewelah, Washington 99109
Population Served
2,615
Total Violations
66
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,251
- County
- Stevens
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 57
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 12 | 2015 |
| Consumer Confidence Rule | Other | 5 | 2023 |
| Coliform (TCR) | MCL | 4 | 1993 |
| Arsenic | MR | 2 | 2020 |
| OXAMYL | MR | 1 | 2002 |
| Aldicarb sulfoxide | MR | 1 | 2002 |
| Carbofuran | MR | 1 | 2002 |
| BHC-GAMMA | MR | 1 | 2002 |
| Methoxychlor | MR | 1 | 2002 |
| Di(2-ethylhexyl) adipate | MR | 1 | 2002 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2002 |
| Heptachlor | MR | 1 | 2002 |
| Heptachlor epoxide | MR | 1 | 2002 |
| HEXACHLOROBENZENE | MR | 1 | 2002 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2002 |
| cis-1,2-Dichloroethylene | MR | 1 | 2002 |
| p-Dichlorobenzene | MR | 1 | 2002 |
| Vinyl chloride | MR | 1 | 2002 |
| 1,1-Dichloroethylene | MR | 1 | 2002 |
| trans-1,2-Dichloroethylene | MR | 1 | 2002 |
| Carbon tetrachloride | MR | 1 | 2002 |
| Tetrachloroethylene | MR | 1 | 2002 |
| Benzene | MR | 1 | 2002 |
| Revised Total Coliform Rule | MON | 1 | 2021 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Toluene | MR | 1 | 2002 |
| Benzo(a)pyrene | MR | 1 | 2002 |
| 1,2-Dichloroethane | MR | 1 | 2002 |
| DICHLOROMETHANE | MR | 1 | 2002 |
| 1,1,1-Trichloroethane | MR | 1 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.