GREATER CHIMAYO MDWCA
PWS ID: NM3502426 · CHIMAYO, New Mexico 87522
Population Served
1,050
Total Violations
73
Health-Based Violations
29
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 350
- County
- Rio Arriba
- School/Daycare
- No
- MCL Violations
- 9
- Monitoring Violations
- 26
- Treatment Tech Violations
- 20
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | TT | 20 | 2018 |
| Consumer Confidence Rule | Other | 12 | 2025 |
| Combined Uranium | MCL | 9 | 2010 |
| Lead and Copper Rule | MR | 7 | 2010 |
| Chlorine | MR | 7 | 2021 |
| Public Notice | Other | 6 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2014 |
| Revised Total Coliform Rule | MON | 4 | 2021 |
| TTHM | MR | 4 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.