CHAMA WATER SYSTEM
PWS ID: NM3501021 · CHAMA, New Mexico 87520
Population Served
1,573
Total Violations
425
Health-Based Violations
40
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 550
- County
- Rio Arriba
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 313
- Treatment Tech Violations
- 34
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 52 | 2023 |
| Interim Enhanced Surface Water Treatment Rule | MR | 49 | 2023 |
| TTHM | MR | 48 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 47 | 2022 |
| Coliform (TCR) | MR | 39 | 2014 |
| Interim Enhanced Surface Water Treatment Rule | TT | 34 | 2023 |
| CARBON, TOTAL | MR | 32 | 2020 |
| Public Notice | Other | 30 | 2024 |
| Lead and Copper Rule | MR | 8 | 2018 |
| Long Term 2 Enhanced Surface Water Treatment Rule | Other | 8 | 2020 |
| E. COLI | MR | 6 | 2009 |
| Coliform (TCR) | MCL | 6 | 1997 |
| Consumer Confidence Rule | Other | 5 | 2023 |
| CYANIDE | MR | 1 | 2007 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2007 |
| cis-1,2-Dichloroethylene | MR | 1 | 2007 |
| Xylenes, Total | MR | 1 | 2007 |
| o-Dichlorobenzene | MR | 1 | 2007 |
| Vinyl chloride | MR | 1 | 2007 |
| 1,1-Dichloroethylene | MR | 1 | 2007 |
| trans-1,2-Dichloroethylene | MR | 1 | 2007 |
| 1,1,1-Trichloroethane | MR | 1 | 2007 |
| Carbon tetrachloride | MR | 1 | 2007 |
| Trichloroethylene | MR | 1 | 2007 |
| 1,1,2-Trichloroethane | MR | 1 | 2007 |
| CHLOROBENZENE | MR | 1 | 2007 |
| Ethylbenzene | MR | 1 | 2007 |
| Arsenic | MR | 1 | 2007 |
| Barium | MR | 1 | 2007 |
| Chromium | MR | 1 | 2007 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.