LOWER COLONIAS MDWCA
PWS ID: NM3501225 · RIBERA, New Mexico 87560
Population Served
40
Total Violations
39
Health-Based Violations
13
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 13
- County
- San Miguel
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 12
- Treatment Tech Violations
- 13
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | TT | 11 | 2018 |
| Lead and Copper Rule | MR | 8 | 2024 |
| Consumer Confidence Rule | Other | 4 | 2010 |
| Revised Total Coliform Rule | Other | 4 | 2016 |
| Public Notice | Other | 2 | 2019 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| Radium-228 | MR | 1 | 2004 |
| Radium-226 | MR | 1 | 2004 |
| Combined Uranium | MR | 1 | 2004 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 2004 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.