JR SIMPLOT CO
PWS ID: WA5311174 · Moses Lake, Washington 98837
Population Served
365
Total Violations
59
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 11
- County
- Grant
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 55
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 11 | 2007 |
| Coliform (TCR) | MR | 6 | 1999 |
| Diquat | MR | 5 | 2005 |
| Nitrate | MR | 5 | 2020 |
| Picloram | MR | 3 | 2016 |
| Dinoseb | MR | 3 | 2016 |
| 2,4,5-TP | MR | 3 | 2016 |
| Pentachlorophenol | MR | 3 | 2016 |
| Dalapon | MR | 3 | 2016 |
| Cadmium | MR | 1 | 2020 |
| CYANIDE | MR | 1 | 2020 |
| Mercury | MR | 1 | 2020 |
| Beryllium, Total | MR | 1 | 2020 |
| Thallium, Total | MR | 1 | 2020 |
| Fluoride | MR | 1 | 2020 |
| Chromium | MR | 1 | 2020 |
| Coliform (TCR) | MCL | 1 | 2005 |
| Selenium | MR | 1 | 2020 |
| Nitrite | MR | 1 | 2020 |
| Barium | MR | 1 | 2020 |
| Nickel | MR | 1 | 2020 |
| Antimony, Total | MR | 1 | 2020 |
| Arsenic | MR | 1 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.