NORTH SAN YSIDRO MDWCA
PWS ID: NM3518225 · ILFELD, New Mexico 87538
Population Served
133
Total Violations
226
Health-Based Violations
52
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 45
- County
- San Miguel
- School/Daycare
- No
- MCL Violations
- 14
- Monitoring Violations
- 71
- Treatment Tech Violations
- 38
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 50 | 2025 |
| Coliform (TCR) | MR | 45 | 2012 |
| Groundwater Rule | TT | 32 | 2020 |
| Public Notice | Other | 14 | 2020 |
| Lead and Copper Rule | MR | 13 | 2021 |
| E. COLI | MR | 9 | 2022 |
| Revised Total Coliform Rule | TT | 6 | 2016 |
| Revised Total Coliform Rule | MCL | 6 | 2016 |
| Groundwater Rule | Other | 5 | 2020 |
| Coliform (TCR) | MCL | 4 | 2007 |
| Nitrate | MCL | 4 | 1986 |
| Revised Total Coliform Rule | MON | 3 | 2017 |
| Fluoride | MR | 1 | 1984 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.