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States → New Mexico

Community Water System · PWS NM3521001

Quail Hollow Mdwua

Tijeras, New Mexico 87059 - drinking water served from groundwater sources to 28 people, tracked in EPA SDWIS and UCMR5.

28
People served
467
EPA violations
64
Health-based
Untested
UCMR5 result

The verdict

EPA records 467 drinking-water violations at Quail Hollow Mdwua, 14% of them health-based - above the New Mexico per-system average.

467
Total EPA violations on record
14%
Health-based (MCL / treatment failure)
28
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Quail Hollow Mdwua

Quail Hollow Mdwua is a local-owned community water system that delivers drinking water to 28 residents in Tijeras, New Mexico (Bernalillo County) through 11 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 467 total violations for this system , of which 64 (14%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 339 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 147 violations (MR). 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, 10 of 72 UCMR5-tested systems have reported PFAS detections (13.9%).

Quail Hollow Mdwua's 467 violations sit above 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
28
Total Violations
467
Health-Based Violations
64
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
11
County
Bernalillo
School/Daycare
No
MCL Violations
4
Monitoring Violations
339
Treatment Tech Violations
60

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 147 2016
Chlorine MR 75 2017
Revised Total Coliform Rule MON 70 2017
Groundwater Rule TT 55 2019
Public Notice Other 37 2020
TTHM MR 16 2016
E. COLI MR 14 2014
Total Haloacetic Acids (HAA5) MR 12 2015
Consumer Confidence Rule Other 8 2020
Revised Total Coliform Rule Other 6 2016
Lead and Copper Rule MR 5 2013
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 5 2012
Coliform (TCR) MCL 4 2012
Coliform (TCR) Other 2 1998

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 Quail Hollow Mdwua.

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 NM3521001 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
2020 Public Notice Other 37 SDWIS / NM3521001 / 7500
2020 Consumer Confidence Rule Other 8 SDWIS / NM3521001 / 7000
2019 Groundwater Rule TT 55 SDWIS / NM3521001 / 0700
2017 Chlorine MR 75 SDWIS / NM3521001 / 0999
2017 Revised Total Coliform Rule MON 70 SDWIS / NM3521001 / 8000
2016 Coliform (TCR) MR 147 SDWIS / NM3521001 / 3100
2016 TTHM MR 16 SDWIS / NM3521001 / 2950
2016 Revised Total Coliform Rule Other 6 SDWIS / NM3521001 / 8000
2015 Total Haloacetic Acids (HAA5) MR 12 SDWIS / NM3521001 / 2456
2014 E. COLI MR 14 SDWIS / NM3521001 / 3014
2013 Lead and Copper Rule MR 5 SDWIS / NM3521001 / 5000
2012 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 5 SDWIS / NM3521001 / 0400
2012 Coliform (TCR) MCL 4 SDWIS / NM3521001 / 3100
1998 Coliform (TCR) Other 2 SDWIS / NM3521001 / 3100

How Quail Hollow Mdwua Compares

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

Metric Quail Hollow Mdwua New Mexico avg Federal benchmark
Total violations 467 149 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 64 37.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 13.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 28 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 Quail Hollow Mdwua water safe to drink? ▼
Quail Hollow Mdwua (PWS ID: NM3521001) has 467 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 28 people using Groundwater sources.
How many people does Quail Hollow Mdwua serve? ▼
Quail Hollow Mdwua serves 28 people in Tijeras, New Mexico. It is a Local-owned system using Groundwater water sources with 11 service connections.
What type of violations does Quail Hollow Mdwua have? ▼
Quail Hollow Mdwua has 467 total violations: 64 health-based violations (MCL exceedances or treatment failures), 339 monitoring/reporting violations, and 60 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Quail Hollow Mdwua water? ▼
No PFAS testing data is available for Quail Hollow Mdwua under the EPA's UCMR5 monitoring program.
What water source does Quail Hollow Mdwua use? ▼
Quail Hollow Mdwua 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.