WATERVILLE TOWN OF
PWS ID: WA5393600 · Waterville, Washington 98858-0299
Population Served
1,140
Total Violations
74
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 615
- County
- Douglas
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 59
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 13 | 2019 |
| Coliform (TCR) | MCL | 11 | 2006 |
| Nitrate | MR | 7 | 2021 |
| Consumer Confidence Rule | Other | 4 | 2023 |
| Pentachlorophenol | MR | 3 | 2022 |
| Dinoseb | MR | 2 | 2022 |
| Dalapon | MR | 2 | 2022 |
| Picloram | MR | 2 | 2022 |
| 2,4,5-TP | MR | 2 | 2022 |
| Endrin | MR | 1 | 2008 |
| Methoxychlor | MR | 1 | 2008 |
| Toxaphene | MR | 1 | 2008 |
| Di(2-ethylhexyl) adipate | MR | 1 | 2008 |
| Hexachlorocyclopentadiene | MR | 1 | 2008 |
| Atrazine | MR | 1 | 2008 |
| Heptachlor | MR | 1 | 2008 |
| Benzo(a)pyrene | MR | 1 | 2008 |
| Chlordane | MR | 1 | 2008 |
| Aldicarb sulfone | MR | 1 | 2008 |
| Carbofuran | MR | 1 | 2008 |
| Cadmium | MR | 1 | 1979 |
| Barium | MR | 1 | 1979 |
| Mercury | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Arsenic | MR | 1 | 1979 |
| LASSO | MR | 1 | 2008 |
| OXAMYL | MR | 1 | 2008 |
| Heptachlor epoxide | MR | 1 | 2008 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2008 |
| Selenium | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.