ROYAL CITY WATER
PWS ID: WA5374700 · Royal City, Washington 99349
Population Served
3,389
Total Violations
61
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 622
- 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 |
|---|---|---|---|
| Nitrate | MR | 11 | 2020 |
| Diquat | MR | 11 | 2008 |
| Lead and Copper Rule | MR | 10 | 2007 |
| Coliform (TCR) | MR | 7 | 1996 |
| Consumer Confidence Rule | Other | 4 | 2023 |
| Barium | MR | 1 | 2002 |
| Cadmium | MR | 1 | 2002 |
| Fluoride | MR | 1 | 2002 |
| Nickel | MR | 1 | 2002 |
| Selenium | MR | 1 | 2002 |
| Antimony, Total | MR | 1 | 2002 |
| Beryllium, Total | MR | 1 | 2002 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 2020 |
| ETHYLENE DIBROMIDE | MR | 1 | 2020 |
| TTHM | MR | 1 | 2018 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Mercury | MR | 1 | 2002 |
| Chromium | MR | 1 | 2002 |
| CYANIDE | MR | 1 | 2002 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2018 |
| Coliform (TCR) | MCL | 1 | 1992 |
| Thallium, Total | MR | 1 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.