Tap Water Results

Is Farmington, NM tap water safe?

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

Summary

No federal limits exceeded in EPA data for Farmington Water System.

4 public water systems serve parts of Farmington. The largest, Farmington Water System, serves 47,655 people. Your water bill names your system.

Largest system

Farmington Water System

47,655 people · Surface water · EPA ID NM3510224

PFASHighest averageLimitStatus
PFOA
Not detected
–4 pptNot detected
PFOS
Not detected
–4 pptNot detected
PFHxS
Not detected
–10 pptNot detected
PFNA
Not detected
–10 pptNot detected
HFPO-DA (GenX)
Not detected
–10 pptNot detected

ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.

Lead: 2.2 ppb at the 90th percentile (Nov 2026, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 1

Across New Mexico, 1 of 77 water systems EPA tested had PFAS above a 2024 federal limit, and 14 systems were above the lead action level in results from the last five years. New Mexico results.

Farmington homes and lead pipes

47%
of homes built before 1980 (New Mexico 43%, US 50%)
3%
built before 1950 (New Mexico 8%)
34%
of households rent (New Mexico 30%)

Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.

Housing: Census American Community Survey 2020–2024 5-year estimates for Farmington city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Farmington

  • Morningstar Water System
    5,694 people · Purchased surface water · New Mexico · lists this city
    Haloacetic acids (HAA5) violationsAlso: Lithium above screening level
  • Flora Vista Mutual Domestic Water System
    3,726 people · Purchased surface water · New Mexico · lists this city
    Lithium above screening levelAlso: 6 health-based violations since 2016
  • La Vida Mission Community Water Supply
    200 people · Groundwater · New Mexico · lists this city
    Coliform bacteria violations

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Rio Rancho 130 mi
Rio Rancho Water & Water Works Services
Rio Rancho Water & Water Works ServicesNone above limits2 ppb
Albuquerque 142 mi
Albuquerque Water System
Albuquerque Water SystemNone above limits0 ppb
Santa Fe 143 mi
City of Santa Fe Water System
City of Santa Fe Water SystemNone above limits1.1 ppb
Alamogordo 294 mi
Alamogordo Domestic Water System
Alamogordo Domestic Water SystemNone above limits2 ppb
Roswell 308 mi
Roswell Municipal Water System
Roswell Municipal Water SystemNone above limits0 ppb
Las Cruces 315 mi
Las Cruces Municipal Water System
Las Cruces Municipal Water SystemNone above limits2 ppb
Farmington ZIP codes (2)
  • 87401
  • 87402

Questions

Is Farmington tap water safe to drink?

Farmington Water System had 1 health-based violation since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.

Who supplies water in Farmington, NM?

4 public water systems serve parts of Farmington. The largest is Farmington Water System (47,655 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Farmington tap water have PFAS?

None detected above EPA's reporting limits. Farmington Water System had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.

Do Farmington homes have lead pipes?

Census estimates put 47% of Farmington homes as built before 1980 (New Mexico: 43%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Farmington Water System's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.

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