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Mountainair, NM Tap Water Quality 2026

Water quality report for Mountainair, NM — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Mountainair's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Mountainair Water System PWSID: NM3524330 Updated: 2026 Q2
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5 violations currently open

Lead was not detected. PFAS has never been sampled at this system.

D

Mountainair earns a D for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: not detected
PFAS never sampled at this system
23 violations since 2015, 7 health-based
5 violations currently open
Mountainair's lead level vs. all New Mexico community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of New Mexico utilities
Population Served
884
~570 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
5
5 open of 23 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Groundwater Rule TREATMENT TECHNIQUE — — 2026 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2026 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2026 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2026 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2026 Unaddressed
Lead and Copper Rule MONITORING AND REPORTING — TT 2026 Unaddressed
Groundwater Rule OTHER — — 2025 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Unaddressed
Consumer Confidence Rule OTHER — — 2025 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
Consumer Confidence Rule OTHER — — 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2024 Unaddressed
Consumer Confidence Rule OTHER — — 2024 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2020 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2020 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Consumer Confidence Rule OTHER — — 2015 Resolved
Public Notice OTHER — — 2015 Resolved
Public Notice OTHER — — 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

5 violations remain open, out of 23 recorded since 2015 (7 health-based).

About the Main Water System

Utility Mountainair Water System
PWSID NM3524330
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 884
Service connections 570
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Mountainair tap water safe to drink? ▼
No federal limit is exceeded on record. 5 violation(s) remain open.
Does Mountainair water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Mountainair? ▼
Mountainair Water System (PWSID NM3524330). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-10-29. Inspectors recorded 2 significant deficiencies.

What Should Mountainair Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Follow the open violation
This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

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