MESILLA WATER SYSTEM
PWS ID: NM3560007 · MESILLA, New Mexico 88046
Population Served
2,167
Total Violations
147
Health-Based Violations
28
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 827
- County
- Dona Ana
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 91
- Treatment Tech Violations
- 24
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | TT | 22 | 2024 |
| Coliform (TCR) | MR | 21 | 2012 |
| TTHM | MR | 20 | 2019 |
| Total Haloacetic Acids (HAA5) | MR | 20 | 2019 |
| Chlorine | MR | 16 | 2020 |
| Public Notice | Other | 11 | 2021 |
| Consumer Confidence Rule | Other | 8 | 2020 |
| Asbestos | MR | 6 | 2020 |
| Lead and Copper Rule | MR | 5 | 2008 |
| Coliform (TCR) | MCL | 4 | 2005 |
| Revised Total Coliform Rule | MON | 3 | 2020 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.