CARROLLS WATER ASSN
PWS ID: WA5311300 · Napavine, Washington 98565
Population Served
449
Total Violations
238
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 172
- County
- Cowlitz
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 227
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 22 | 2006 |
| Arsenic | MR | 7 | 2002 |
| Barium | MR | 7 | 2002 |
| Chromium | MR | 7 | 2002 |
| Fluoride | MR | 7 | 2002 |
| Cadmium | MR | 7 | 2002 |
| Mercury | MR | 7 | 2002 |
| Selenium | MR | 7 | 2002 |
| CYANIDE | MR | 6 | 2002 |
| Antimony, Total | MR | 6 | 2002 |
| Thallium, Total | MR | 6 | 2002 |
| Nickel | MR | 6 | 2002 |
| Beryllium, Total | MR | 6 | 2002 |
| Consumer Confidence Rule | Other | 4 | 2014 |
| Nitrate | MR | 4 | 2021 |
| 1,2,4-Trichlorobenzene | MR | 4 | 2011 |
| o-Dichlorobenzene | MR | 4 | 2011 |
| 1,1-Dichloroethylene | MR | 4 | 2011 |
| trans-1,2-Dichloroethylene | MR | 4 | 2011 |
| 1,2-Dichloroethane | MR | 4 | 2011 |
| 1,1,1-Trichloroethane | MR | 4 | 2011 |
| Carbon tetrachloride | MR | 4 | 2011 |
| 1,1,2-Trichloroethane | MR | 4 | 2011 |
| Ethylbenzene | MR | 4 | 2011 |
| DICHLOROMETHANE | MR | 4 | 2011 |
| p-Dichlorobenzene | MR | 4 | 2011 |
| Tetrachloroethylene | MR | 4 | 2011 |
| Benzene | MR | 4 | 2011 |
| Toluene | MR | 4 | 2011 |
| cis-1,2-Dichloroethylene | MR | 4 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.