ROYAL WATER DISTRICT
PWS ID: WA5300543 · Othello, Washington 99344
Population Served
430
Total Violations
75
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 51
- County
- Grant
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 48
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 29 | 2000 |
| Coliform (TCR) | MCL | 10 | 2005 |
| Consumer Confidence Rule | Other | 9 | 2025 |
| Nitrate | MR | 6 | 2012 |
| Lead and Copper Rule | MR | 4 | 2004 |
| TTHM | MR | 1 | 2014 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2014 |
| Arsenic | MR | 1 | 1979 |
| Mercury | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Selenium | MR | 1 | 1979 |
| Cadmium | MR | 1 | 1979 |
| Fluoride | MR | 1 | 1979 |
| Barium | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.