Santa Rosa Reservation
PWS ID: 090605019 · Anza, 09 92539
Population Served
185
Total Violations
292
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 46
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 199
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 20 | 2008 |
| Nitrate | MR | 8 | 2021 |
| Arsenic | MR | 7 | 2022 |
| Consumer Confidence Rule | Other | 7 | 2007 |
| Asbestos | MR | 4 | 2004 |
| LASSO | MR | 4 | 2004 |
| 2,4-D | MR | 4 | 2004 |
| 2,4,5-TP | MR | 4 | 2004 |
| Pentachlorophenol | MR | 4 | 2004 |
| Total Polychlorinated Biphenyls (PCB) | MR | 4 | 2004 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2004 |
| Coliform (TCR) | MCL | 4 | 1998 |
| Methoxychlor | MR | 3 | 2004 |
| Toxaphene | MR | 3 | 2004 |
| Dalapon | MR | 3 | 2004 |
| Diquat | MR | 3 | 2004 |
| Endothall | MR | 3 | 2004 |
| Di(2-ethylhexyl) adipate | MR | 3 | 2004 |
| Simazine | MR | 3 | 2004 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2004 |
| Picloram | MR | 3 | 2004 |
| Hexachlorocyclopentadiene | MR | 3 | 2004 |
| Carbofuran | MR | 3 | 2004 |
| Atrazine | MR | 3 | 2004 |
| 2,3,7,8-TCDD | MR | 3 | 2004 |
| Heptachlor epoxide | MR | 3 | 2004 |
| HEXACHLOROBENZENE | MR | 3 | 2004 |
| Benzo(a)pyrene | MR | 3 | 2004 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 3 | 2004 |
| ETHYLENE DIBROMIDE | MR | 3 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.