SENA MDWCA
PWS ID: NM3519025 · SENA, New Mexico 87560
Population Served
180
Total Violations
257
Health-Based Violations
63
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 42
- County
- San Miguel
- School/Daycare
- No
- MCL Violations
- 22
- Monitoring Violations
- 106
- Treatment Tech Violations
- 41
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 47 | 2023 |
| Groundwater Rule | TT | 41 | 2019 |
| E. COLI | MR | 40 | 2012 |
| Coliform (TCR) | MR | 23 | 2012 |
| Coliform (TCR) | MCL | 22 | 2014 |
| Chlorine | MR | 16 | 2012 |
| Public Notice | Other | 15 | 2021 |
| Lead and Copper Rule | MR | 7 | 2019 |
| Revised Total Coliform Rule | MON | 6 | 2016 |
| Revised Total Coliform Rule | Other | 4 | 2016 |
| Groundwater Rule | Other | 4 | 2019 |
| Cadmium | MR | 2 | 1983 |
| Fluoride | MR | 2 | 1983 |
| Selenium | MR | 2 | 1983 |
| Barium | MR | 2 | 1983 |
| Arsenic | MR | 2 | 1983 |
| Mercury | MR | 2 | 1983 |
| Chromium | MR | 2 | 1983 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.