County · New Mexico
Grant County, New Mexico: drinking water records
This overview covers 15 ZIP codes and 18 community water systems in Grant County. It also stands in for 6 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Silver City Water System NM3522609 | 14,400 | 120 | 0 | 0 | 0.8 ppb |
| Santa Clara Water System NM3522209 | 1,682 | 0 | 0 | 5 | 1.8 ppb |
| Casas Adobes Mdwca NM3510209 | 610 | 0 | 0 | 6 | 0 ppb |
| Hanover Mdwca NM3522309 | 215 | 0 | 0 | 3 | 12 ppb |
| Rio de Arenas NM3556109 | 205 | 0 | 0 | 8 | 2 ppb |
| Whiskey Creek Properties NM3510509 | 113 | 0 | 0 | 2 | 1.3 ppb |
| Hachita Mdwca NM3501309 | 92 | 0 | 0 | 6 | 0.9 ppb |
| Tyrone Mdwca NM3538309 | 70 | 0 | 0 | 7 | 0 ppb |
| Bayard Municipal Water System NM3522109 | 2,616 | 0 | 0 | 0 | 2.1 ppb |
| Hurley, Town of NM3500609 | 1,577 | 0 | 0 | 0 | 0.6 ppb |
| Kayenta Sandstone Housing NN0400815 | 1,375 | 0 | 0 | 0 | 1 ppb |
| Arenas Valley Mdwca NM3523009 | 1,204 | 0 | 0 | 0 | 1.4 ppb |
| Freeport Mcmoran Chino Mines NM3522409 | 1,050 | 0 | 0 | 0 | 6 ppb |
| Tyrone Townsite NM3500309 | 782 | 0 | 0 | 0 | 0.7 ppb |
| Burro Mountain Homestead NM3591309 | 415 | 0 | 0 | 0 | 12 ppb |
| Pinos Altos Mdwca NM3510609 | 348 | 0 | 0 | 0 | 1.6 ppb |
| North Hurley Mdwca NM3522509 | 318 | 0 | 0 | 0 | 0.9 ppb |
| Rosedale Mdwca NM3500109 | 254 | 0 | 0 | 0 | 1 ppb |
ZIP reports in Grant County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 88025, 88028, 88034, 88038, 88051, 88055.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.