ALCALDE MDWCA
PWS ID: NM3535021 · ALCALDE, New Mexico 87511
Population Served
927
Total Violations
215
Health-Based Violations
97
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 309
- County
- Rio Arriba
- School/Daycare
- No
- MCL Violations
- 93
- Monitoring Violations
- 79
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 87 | 2025 |
| Fluoride | MR | 24 | 2007 |
| Consumer Confidence Rule | Other | 19 | 2016 |
| Lead and Copper Rule | MR | 16 | 2018 |
| Public Notice | Other | 14 | 2021 |
| TTHM | MR | 10 | 2021 |
| Total Haloacetic Acids (HAA5) | MR | 10 | 2021 |
| Revised Total Coliform Rule | MON | 8 | 2016 |
| Fluoride | MCL | 6 | 2005 |
| Nitrate-Nitrite | MR | 6 | 2007 |
| Coliform (TCR) | MR | 5 | 1993 |
| Revised Total Coliform Rule | Other | 4 | 2016 |
| Groundwater Rule | TT | 4 | 2015 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.