Manchester Rancheria
PWS ID: 090600139 · Point Arena, 09 95468
Population Served
100
Total Violations
306
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 25
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 169
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 28 | 2008 |
| Nitrate | MR | 13 | 2018 |
| Combined Radium (-226 and -228) | MR | 11 | 2010 |
| Consumer Confidence Rule | Other | 11 | 2021 |
| Lead and Copper Rule | MR | 6 | 2017 |
| Total Polychlorinated Biphenyls (PCB) | MR | 5 | 2011 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 5 | 2011 |
| ETHYLENE DIBROMIDE | MR | 5 | 2011 |
| Revised Total Coliform Rule | MON | 5 | 2022 |
| CYANIDE | MR | 4 | 2004 |
| Chlorine | MR | 4 | 2022 |
| Groundwater Rule | TT | 4 | 2017 |
| Endrin | MR | 3 | 2011 |
| BHC-GAMMA | MR | 3 | 2011 |
| Methoxychlor | MR | 3 | 2011 |
| Toxaphene | MR | 3 | 2011 |
| Dalapon | MR | 3 | 2011 |
| Diquat | MR | 3 | 2011 |
| Endothall | MR | 3 | 2011 |
| Glyphosate | MR | 3 | 2011 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2011 |
| OXAMYL | MR | 3 | 2011 |
| Simazine | MR | 3 | 2011 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2011 |
| Picloram | MR | 3 | 2011 |
| Dinoseb | MR | 3 | 2011 |
| Heptachlor | MR | 3 | 2011 |
| Heptachlor epoxide | MR | 3 | 2011 |
| 2,4-D | MR | 3 | 2011 |
| Benzo(a)pyrene | MR | 3 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.