New Mexico drinking water quality
New Mexico has 1,157 active public water systems serving 2.2 million people. 850 of them, 73%, had at least one EPA violation in the past three years, 400 have an unresolved violation today, and 71 are designated serious violators by the EPA.
Active systems
1,157
in 33 counties
People served
2.2M
648 community systems serve 2.1M
Violations, past 3 years
850
73% of active systems
Serious violators
71
215 systems carry a health flag
Largest counties
All 33 countiesLargest community water systems
All 1,157 systems| System | Serves | Status |
|---|---|---|
| Albuquerque Water System Bernalillo County |
560,326 | |
| Rio Rancho Water & WW Services Sandoval County |
107,350 | |
| Las Cruces Municipal Water System Doña Ana County |
98,175 | |
| Santa FE Water System (city Of) Santa Fe County |
90,810 | |
| Roswell Municipal Water System Chaves County |
54,025 | |
| Farmington Water System San Juan County |
47,655 | |
| Epcor Water New Mexico INC Clovis Curry County |
41,066 | |
| Hobbs Municipal Water Supply Lea County |
40,418 | |
| Alamogordo Domestic Water System Otero County |
35,301 | |
| University of New Mexico Bernalillo County |
35,000 |
About the New Mexico data
Retrieved from EPA ECHO on Oct 11, 2026.