SCUA Upper Peridot
PWS ID: 090400242 · San Carlos, 09 85550
Population Served
275
Total Violations
404
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 106
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 300
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 102 | 2016 |
| Consumer Confidence Rule | Other | 15 | 2022 |
| Lead and Copper Rule | MR | 13 | 2011 |
| Arsenic | MR | 11 | 2011 |
| Nitrate | MR | 10 | 2022 |
| Revised Total Coliform Rule | RPT | 10 | 2023 |
| E. COLI | MR | 6 | 2019 |
| Total Polychlorinated Biphenyls (PCB) | MR | 4 | 2004 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 4 | 2004 |
| Cadmium | MR | 3 | 2004 |
| Chromium | MR | 3 | 2004 |
| CYANIDE | MR | 3 | 2008 |
| Fluoride | MR | 3 | 2004 |
| Mercury | MR | 3 | 2004 |
| Selenium | MR | 3 | 2004 |
| BHC-GAMMA | MR | 3 | 2004 |
| Methoxychlor | MR | 3 | 2004 |
| Toxaphene | MR | 3 | 2004 |
| Carbofuran | MR | 3 | 2004 |
| Atrazine | MR | 3 | 2004 |
| LASSO | MR | 3 | 2004 |
| Heptachlor | MR | 3 | 2004 |
| Heptachlor epoxide | MR | 3 | 2004 |
| 2,4-D | MR | 3 | 2004 |
| 2,4,5-TP | MR | 3 | 2004 |
| Pentachlorophenol | MR | 3 | 2004 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2004 |
| cis-1,2-Dichloroethylene | MR | 3 | 2004 |
| ETHYLENE DIBROMIDE | MR | 3 | 2004 |
| DICHLOROMETHANE | MR | 3 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.