ENSENADA MDWCA
PWS ID: NM3501821 · TIERRA AMARILLA, New Mexico 87575
Population Served
300
Total Violations
208
Health-Based Violations
38
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 80
- County
- Rio Arriba
- School/Daycare
- No
- MCL Violations
- 38
- Monitoring Violations
- 132
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 50 | 2025 |
| Coliform (TCR) | MCL | 38 | 2002 |
| Coliform (TCR) | MR | 24 | 2003 |
| Consumer Confidence Rule | Other | 23 | 2021 |
| Chlorine | MR | 21 | 2017 |
| Total Haloacetic Acids (HAA5) | MR | 16 | 2016 |
| TTHM | MR | 12 | 2015 |
| Lead and Copper Rule | MR | 7 | 2014 |
| Revised Total Coliform Rule | Other | 4 | 2016 |
| Public Notice | Other | 3 | 2018 |
| Nitrate | MR | 2 | 1981 |
| Coliform (TCR) | Other | 1 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.