New Mexico tap water quality

580 community water systems serving 2 million people.

Data: U.S. EPA · How we read the data · How we check it

systems with PFAS above a federal limit

2,286

people served by them

systems EPA tested for PFAS

systems above the lead action level

PFAS: EPA's 2023–2025 testing. Lead: results from the last five years. 84 more systems have no recent lead results in EPA's database.

Water systems with PFAS above the federal limit

Based on EPA's UCMR 5 results (2023–2025) compared to the April 2024 limits, the way EPA compares them. Systems have until 2029 to comply. Largest first.

Elephant Butte Water System
2,286 people · Groundwater · New Mexico
PFOS above limitAlso: Lithium above screening level

New Mexico PFAS report: chart, rankings and data to download →

Largest water systems in New Mexico

Albuquerque Water System
560,326 people · Surface water · New Mexico
Lithium above screening level
Rio Rancho Water & Water Works Services
107,350 people · Purchased surface water · New Mexico
Lithium above screening levelAlso: 1 health-based violation since 2016
Las Cruces Municipal Water System
98,175 people · Groundwater · New Mexico
Lithium above screening levelAlso: 3 health-based violations since 2016
City of Santa Fe Water System
90,810 people · Surface water · New Mexico
Lithium above screening levelAlso: 1 health-based violation since 2016
Roswell Municipal Water System
54,025 people · Groundwater · New Mexico
Lithium above screening levelAlso: 2 health-based violations since 2016
Farmington Water System
47,655 people · Surface water · New Mexico
Lithium above screening levelAlso: 1 health-based violation since 2016
EPCOR Water New Mexico Inc Clovis
41,066 people · Groundwater · New Mexico
Lithium above screening level
Hobbs Municipal Water Supply
40,418 people · Groundwater · New Mexico
PFOA detectedAlso: Lithium above screening level
Alamogordo Domestic Water System
35,301 people · Surface water · New Mexico
PFOA detectedAlso: Lithium above screening level
University of New Mexico Water System
35,000 people · Purchased surface water · New Mexico
Lithium above screening levelAlso: 1 health-based violation since 2016
Carlsbad Municipal Water System
33,626 people · Groundwater · New Mexico
Lithium above screening level
Los Alamos Municipal Water System
25,000 people · Groundwater · New Mexico
Lithium above screening level
New Mexico State University Water System
24,000 people · Groundwater · New Mexico
Lithium above screening level
Kirtland Air Force Base Water System
22,500 people · Groundwater · New Mexico
Lithium above screening level
Camino Real Regional Utility Authority
21,930 people · Groundwater · New Mexico
Arsenic violationsAlso: Lithium above screening level

New Mexico cities and towns

Most health-based violations since 2016

Camino Real Regional Utility Authority
21,930 people · Groundwater · New Mexico
Arsenic violationsAlso: Lithium above screening level
Miami Water Users Association
135 people · Surface water · New Mexico
Total trihalomethanes (TTHM) violationsAlso: Haloacetic acids (HAA5) violations
Cassandra Water System
34 people · Groundwater · New Mexico
Radium (combined 226/228) violationsAlso: Gross alpha violations · Coliform bacteria violations
Santa Cruz Water Association
394 people · Groundwater · New Mexico
Uranium violations
Cimarron Water System
1,260 people · Surface water · New Mexico
Total trihalomethanes (TTHM) violationsAlso: Haloacetic acids (HAA5) violations · Coliform bacteria violation
Philmont Boy Scout Ranch – Headquarters Water System
2,000 people · Surface water · New Mexico
Haloacetic acids (HAA5) violationsAlso: Total trihalomethanes (TTHM) violations
Lordsburg Water Supply System
3,298 people · Groundwater · New Mexico
Fluoride violations
Springer Water System
1,170 people · Surface water · New Mexico
Total trihalomethanes (TTHM) violationsAlso: Haloacetic acids (HAA5) violation
Paakweree Village Water Company – Op Association, Inc
117 people · Groundwater · New Mexico
Arsenic violations
French MDWCA/SWA
209 people · Purchased surface water · New Mexico
Total trihalomethanes (TTHM) violationsAlso: Haloacetic acids (HAA5) violation
Las Vegas (City Of) Water System
14,530 people · Surface water · New Mexico
Total trihalomethanes (TTHM) violations
Belen Water System
10,830 people · Groundwater · New Mexico
Arsenic violationsAlso: Lithium above screening level
Jemez Springs Dwua Water System
1,385 people · Groundwater · New Mexico
Arsenic violations
Loma Escondida Water Association
84 people · Groundwater · New Mexico
Arsenic violationsAlso: Coliform bacteria violation
Cuba Water System
1,789 people · Groundwater · New Mexico
Not in EPA's PFAS sampleAlso: 36 health-based violations since 2016

All New Mexico utilities on this site

Every New Mexico system serving 50,000+ people or with PFAS above a federal limit, A to Z. Download all 580 systems as CSV.

Questions

Does New Mexico tap water have PFAS?

EPA tested 77 community water systems in New Mexico for 29 PFAS between 2023 and 2025. 5 had at least one regulated PFAS detected, and 1 had an entry-point average above a 2024 federal limit. Those 1 systems serve about 2,286 people. Systems have until 2029 to meet the limits.

How many New Mexico water systems have violations?

418 systems in New Mexico had at least one health-based violation since 2016 (3,388 violations in total). 966 violations are currently listed as unaddressed.

Which New Mexico water systems are over the lead action level?

14 systems had a lead 90th percentile above the 15 ppb action level in their most recent results from the last five years. Another 84 systems have no lead results in EPA's database from the last five years, including 2 whose last result was above the action level. Lead depends on each home's pipes, so a test of your own tap is the only way to know your level.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.