County · New Mexico
San Miguel County, New Mexico: drinking water records
This overview covers 17 ZIP codes and 26 community water systems in San Miguel 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 |
|---|---|---|---|---|---|
| Las Vegas (City Of) NM3518025 | 14,530 | 66 | 0 | 46 | 2.1 ppb |
| Pecos Water System NM3518325 | 2,133 | 0 | 0 | 11 | 8.4 ppb |
| Pendaries Mdwca NM3574125 | 500 | 0 | 0 | 7 | 3.1 ppb |
| East Pecos Mdwca NM3516925 | 413 | 0 | 0 | 2 | 1.1 ppb |
| Ilfeld Mdwca NM3500125 | 400 | 0 | 0 | 3 | 0 ppb |
| Villanueva Mdwca NM3519625 | 268 | 0 | 0 | 1 | 2 ppb |
| Big Mesa Water Mdwca NM3573725 | 250 | 0 | 0 | 1 | 0.4 ppb |
| Tecolotito Mdwca NM3519425 | 246 | 0 | 0 | 2 | 2 ppb |
| San Jose Mdwca NM3518825 | 200 | 0 | 0 | 1 | 1.8 ppb |
| La Pasada Mdwca NM3517725 | 191 | 0 | 0 | 5 | 4.8 ppb |
| Sena Mdwca NM3519025 | 180 | 0 | 0 | 6 | 6.8 ppb |
| San Juan Mdwca NM3519125 | 136 | 0 | 0 | 2 | 0 ppb |
| North San Ysidro Mdwca NM3518225 | 133 | 0 | 0 | 6 | 0.7 ppb |
| Tecolote Mdwca NM3519325 | 126 | 0 | 0 | 2 | 1 ppb |
| Gonzales Ranch Mdwca NM3500625 | 114 | 0 | 0 | 5 | 1.4 ppb |
| Ribera Mdwca NM3518525 | 113 | 0 | 0 | 4 | 0 ppb |
| El Ancon Mdwca NM3517025 | 112 | 0 | 0 | 1 | 0 ppb |
| Rowe Mdwca NM3518625 | 100 | 0 | 0 | 6 | 1.6 ppb |
| El Coruco Mdwca NM3516825 | 93 | 0 | 0 | 2 | 0 ppb |
| San Miguel del Vado Mdwca NM3518925 | 79 | 0 | 0 | 1 | 0 ppb |
| Chapelle Mdwca NM3501825 | 60 | 0 | 0 | 25 | 5 ppb |
| El Creston Mdwca NM3501725 | 50 | 0 | 0 | 6 | 7.1 ppb |
| La Cueva Mdwca NM3517625 | 48 | 0 | 0 | 2 | 5 ppb |
| Gabaldon Mdwca NM3500525 | 47 | 0 | 0 | 11 | 1 ppb |
| Lower Colonias Mdwca NM3501225 | 40 | 0 | 0 | 7 | 2 ppb |
ZIP reports in San Miguel 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: 87573, 87731, 87745, 87746, 88421, 88439.
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.