PlainWater
States → New Mexico

Transient Non-Community Water System · PWS NM3590130

Gran Quivira - Salinas Pueblo Missions

Mountainair, New Mexico 87036 - drinking water served from groundwater sources to 50 people, tracked in EPA SDWIS and UCMR5.

50
People served
67
EPA violations
18
Health-based
Untested
UCMR5 result

The verdict

EPA records 67 drinking-water violations at Gran Quivira - Salinas Pueblo Missions, 27% of them health-based - below the New Mexico per-system average.

67
Total EPA violations on record
27%
Health-based (MCL / treatment failure)
50
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Gran Quivira - Salinas Pueblo Missions

Gran Quivira - Salinas Pueblo Missions is a federal-owned transient non-community water system that delivers drinking water to 50 residents in Mountainair, New Mexico (Torrance County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 67 total violations for this system , of which 18 (27%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 35 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 22 violations (MON). 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%).

Gran Quivira - Salinas Pueblo Missions's 67 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
50
Total Violations
67
Health-Based Violations
18
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Federal
Connections
4
County
Torrance
School/Daycare
No
MCL Violations
0
Monitoring Violations
35
Treatment Tech Violations
18

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 22 2021
Groundwater Rule TT 18 2014
Nitrate-Nitrite MR 10 2017
Public Notice Other 10 2022
Revised Total Coliform Rule Other 4 2016
Nitrate MR 3 2001

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 Gran Quivira - Salinas Pueblo Missions.

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 NM3590130 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
2022 Public Notice Other 10 SDWIS / NM3590130 / 7500
2021 Revised Total Coliform Rule MON 22 SDWIS / NM3590130 / 8000
2017 Nitrate-Nitrite MR 10 SDWIS / NM3590130 / 1038
2016 Revised Total Coliform Rule Other 4 SDWIS / NM3590130 / 8000
2014 Groundwater Rule TT 18 SDWIS / NM3590130 / 0700
2001 Nitrate MR 3 SDWIS / NM3590130 / 1040

How Gran Quivira - Salinas Pueblo Missions Compares

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

Metric Gran Quivira - Salinas Pueblo Missions New Mexico avg Federal benchmark
Total violations 67 149 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 18 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 50 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 Gran Quivira - Salinas Pueblo Missions water safe to drink? ▼
Gran Quivira - Salinas Pueblo Missions (PWS ID: NM3590130) has 67 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Groundwater sources.
How many people does Gran Quivira - Salinas Pueblo Missions serve? ▼
Gran Quivira - Salinas Pueblo Missions serves 50 people in Mountainair, New Mexico. It is a Federal-owned system using Groundwater water sources with 4 service connections.
What type of violations does Gran Quivira - Salinas Pueblo Missions have? ▼
Gran Quivira - Salinas Pueblo Missions has 67 total violations: 18 health-based violations (MCL exceedances or treatment failures), 35 monitoring/reporting violations, and 18 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Gran Quivira - Salinas Pueblo Missions water? ▼
No PFAS testing data is available for Gran Quivira - Salinas Pueblo Missions under the EPA's UCMR5 monitoring program.
What water source does Gran Quivira - Salinas Pueblo Missions use? ▼
Gran Quivira - Salinas Pueblo Missions uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.