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Community Water System · PWS NM3524330

Mountainair Water System

Mountainair, New Mexico 87036 - drinking water served from groundwater sources to 1,505 people, tracked in EPA SDWIS and UCMR5.

1,505
People served
117
EPA violations
29
Health-based
Untested
UCMR5 result

The verdict

EPA records 117 drinking-water violations at Mountainair Water System, 25% of them health-based - below the New Mexico per-system average.

117
Total EPA violations on record
25%
Health-based (MCL / treatment failure)
1,505
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mountainair Water System

Mountainair Water System is a local-owned community water system that delivers drinking water to 1,505 residents in Mountainair, New Mexico (Torrance County) through 570 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 117 total violations for this system , of which 29 (25%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 34 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 29 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across New Mexico, EPA tracks 1,037 public water systems serving 2,027,497 people, with 154,522 cumulative violations and 38,650 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 149 violations. Statewide, 70 of 72 UCMR5-tested systems have reported PFAS detections (97.2%).

Mountainair Water System's 117 violations sit below the New Mexico average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
1,505
Total Violations
117
Health-Based Violations
29
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
570
County
Torrance
School/Daycare
No
MCL Violations
13
Monitoring Violations
34
Treatment Tech Violations
16

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 29 2025
Groundwater Rule TT 14 2017
Chlorine MR 14 2020
Coliform (TCR) MCL 13 1994
Lead and Copper Rule MR 8 2025
Coliform (TCR) MR 6 1998
Public Notice Other 4 2016
Revised Total Coliform Rule MON 4 2020
LEAD AND COPPER RULE REVISIONS TT 2 2024
Asbestos MR 2 2002
LEAD AND COPPER RULE REVISIONS RPT 2 2024

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Mountainair Water System.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID NM3524330 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New Mexico Drinking Water Authority

New Mexico's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find NM regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Consumer Confidence Rule Other 29 SDWIS / NM3524330 / 7000
2025 Lead and Copper Rule MR 8 SDWIS / NM3524330 / 5000
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / NM3524330 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / NM3524330 / 5200
2020 Chlorine MR 14 SDWIS / NM3524330 / 0999
2020 Revised Total Coliform Rule MON 4 SDWIS / NM3524330 / 8000
2017 Groundwater Rule TT 14 SDWIS / NM3524330 / 0700
2016 Public Notice Other 4 SDWIS / NM3524330 / 7500
2002 Asbestos MR 2 SDWIS / NM3524330 / 1094
1998 Coliform (TCR) MR 6 SDWIS / NM3524330 / 3100
1994 Coliform (TCR) MCL 13 SDWIS / NM3524330 / 3100

How Mountainair Water System Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Mountainair Water System New Mexico avg Federal benchmark
Total violations 117 149 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 29 37.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 97.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,505 1,955 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,037 regulated public water systems in New Mexico.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Mountainair Water System water safe to drink? ▼
Mountainair Water System (PWS ID: NM3524330) has 117 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,505 people using Groundwater sources.
How many people does Mountainair Water System serve? ▼
Mountainair Water System serves 1,505 people in Mountainair, New Mexico. It is a Local-owned system using Groundwater water sources with 570 service connections.
What type of violations does Mountainair Water System have? ▼
Mountainair Water System has 117 total violations: 29 health-based violations (MCL exceedances or treatment failures), 34 monitoring/reporting violations, and 16 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mountainair Water System water? ▼
No PFAS testing data is available for Mountainair Water System under the EPA's UCMR5 monitoring program.
What water source does Mountainair Water System use? ▼
Mountainair Water System uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.