Dona Ana County tap water
0 of 12 water systems serving Dona Ana County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 45 community water systems list this county as served; 11 serve 3,300+ people with full PFAS testing.
- 19 had a health-based violation since 2021-10-26.
Largest systems serving this county
| System | Source | People served (whole system) | PFAS above a 2024 level? | Violations since 2021-10-26 |
|---|---|---|---|---|
| Las Cruces Municipal Water System | Groundwater | 98,175 | No | 0 |
| New Mexico State University | Groundwater | 24,000 | No | 0 |
| Camino Real Regional Utility Authority | Groundwater | 21,930 | No | 25 |
| Dona Ana Mdwca | Groundwater | 16,987 | No | 13 |
| Lake Section Water Company | Groundwater | 14,619 | No | 1 |
| Moongate West | Groundwater | 13,362 | No | 0 |
| Lower Rio Grande Pwwa South Valley | Groundwater | 11,542 | No | 0 |
| Moongate Water System | Groundwater | 9,170 | No | 0 |
| Anthony W&sd | Groundwater | 8,691 | No | 1 |
| University Estates Water System (Lcu) | Groundwater | 5,292 | No | 0 |
| White Sands Missile Range (Main Post)-Ff | Groundwater | 4,300 | No | 2 |
Which one is yours? A county usually has several utilities. Your bill or your utility's annual water-quality report names yours. Population is for the whole system, which can cross county lines.
Not medical or legal advice. UCMR 5 results are screening data, not compliance determinations.
Sources and freshness
Public-water-system facts, violations and lead/copper results: EPA ECHO SDWA download (SDWIS snapshot 2026-10-13). PFAS and lithium results: EPA UCMR 5 final data (sampling 2023–2025). Both are U.S. government works, downloaded 2026-10-26. Numbers are computed by the published method; the same fields are in the open data files.