Mitomkai Tribal Water System
PWS ID: 090605120 · Willits, 09 95490
Population Served
300
Total Violations
55
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 21
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 54
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Gross Alpha, Excl. Radon and U | MR | 5 | 2015 |
| Chlorine | MR | 5 | 2024 |
| Nitrate | MR | 3 | 2022 |
| Glyphosate | MR | 2 | 2013 |
| Combined Radium (-226 and -228) | MR | 2 | 2014 |
| Coliform (TCR) | MR | 2 | 2014 |
| Nitrite | MR | 1 | 2013 |
| Endrin | MR | 1 | 2013 |
| Methoxychlor | MR | 1 | 2013 |
| Toxaphene | MR | 1 | 2013 |
| Dalapon | MR | 1 | 2013 |
| OXAMYL | MR | 1 | 2013 |
| Picloram | MR | 1 | 2013 |
| Hexachlorocyclopentadiene | MR | 1 | 2013 |
| Atrazine | MR | 1 | 2013 |
| Heptachlor | MR | 1 | 2013 |
| Heptachlor epoxide | MR | 1 | 2013 |
| 2,4,5-TP | MR | 1 | 2013 |
| Benzo(a)pyrene | MR | 1 | 2013 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 2013 |
| ETHYLENE DIBROMIDE | MR | 1 | 2013 |
| trans-1,2-Dichloroethylene | MR | 1 | 2013 |
| Trichloroethylene | MR | 1 | 2013 |
| 1,1,2-Trichloroethane | MR | 1 | 2013 |
| Revised Total Coliform Rule | MON | 1 | 2022 |
| Revised Total Coliform Rule | RPT | 1 | 2025 |
| E. COLI | MR | 1 | 2025 |
| Dinoseb | MR | 1 | 2013 |
| Lead and Copper Rule | MR | 1 | 2014 |
| Total Polychlorinated Biphenyls (PCB) | MR | 1 | 2013 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.