CRO FARMS INC
PWS ID: WA5314174 · ROCK ISLAND, Washington 98850
Population Served
297
Total Violations
110
Health-Based Violations
16
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 71
- County
- Douglas
- School/Daycare
- No
- MCL Violations
- 16
- Monitoring Violations
- 86
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 17 | 2015 |
| Coliform (TCR) | MCL | 16 | 1992 |
| Consumer Confidence Rule | Other | 5 | 2021 |
| Arsenic | MR | 4 | 2002 |
| Cadmium | MR | 4 | 2002 |
| Fluoride | MR | 4 | 2002 |
| Mercury | MR | 4 | 2002 |
| Selenium | MR | 4 | 2002 |
| Barium | MR | 4 | 2002 |
| Chromium | MR | 4 | 2002 |
| CYANIDE | MR | 3 | 2002 |
| Thallium, Total | MR | 3 | 2002 |
| Beryllium, Total | MR | 3 | 2002 |
| Nickel | MR | 3 | 2002 |
| Antimony, Total | MR | 3 | 2002 |
| cis-1,2-Dichloroethylene | MR | 1 | 2002 |
| DICHLOROMETHANE | MR | 1 | 2002 |
| Vinyl chloride | MR | 1 | 2002 |
| 1,1-Dichloroethylene | MR | 1 | 2002 |
| trans-1,2-Dichloroethylene | MR | 1 | 2002 |
| 1,1,1-Trichloroethane | MR | 1 | 2002 |
| Carbon tetrachloride | MR | 1 | 2002 |
| 1,1,2-Trichloroethane | MR | 1 | 2002 |
| CHLOROBENZENE | MR | 1 | 2002 |
| Benzene | MR | 1 | 2002 |
| Ethylbenzene | MR | 1 | 2002 |
| Styrene | MR | 1 | 2002 |
| Revised Total Coliform Rule | MON | 1 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2020 |
| Lead and Copper Rule | MR | 1 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.