OJO SARCO MDWCA
PWS ID: NM3556821 · OJO SARCO, New Mexico 87521
Population Served
225
Total Violations
107
Health-Based Violations
35
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 75
- County
- Rio Arriba
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 44
- Treatment Tech Violations
- 32
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 32 | 2017 |
| Groundwater Rule | TT | 32 | 2015 |
| Consumer Confidence Rule | Other | 10 | 2022 |
| Lead and Copper Rule | MR | 10 | 2023 |
| Revised Total Coliform Rule | Other | 4 | 2016 |
| Public Notice | Other | 4 | 2019 |
| Nitrate | MCL | 3 | 1999 |
| Fluoride | MR | 2 | 2005 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.