SAN JUAN MDWCA
PWS ID: NM3519125 · RIBERA, New Mexico 87560
Population Served
136
Total Violations
118
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 54
- County
- San Miguel
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 41
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 29 | 2010 |
| Lead and Copper Rule | MR | 18 | 2014 |
| Revised Total Coliform Rule | Other | 4 | 2016 |
| Revised Total Coliform Rule | MON | 4 | 2016 |
| Revised Total Coliform Rule | MCL | 4 | 2025 |
| Coliform (TCR) | MR | 3 | 1993 |
| Arsenic | MR | 2 | 1983 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| Chromium | MR | 2 | 1983 |
| Mercury | MR | 2 | 1983 |
| Barium | MR | 2 | 1983 |
| Selenium | MR | 2 | 1983 |
| Cadmium | MR | 2 | 1983 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| Nitrate | MR | 2 | 1983 |
| Fluoride | MR | 2 | 1983 |
| Public Notice | Other | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.