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States → New Mexico

Community Water System · PWS NM3504426

Galisteo Mdwca

Santa Fe, New Mexico 87502 - drinking water served from groundwater sources to 215 people, tracked in EPA SDWIS and UCMR5.

215
People served
99
EPA violations
16
Health-based
Untested
UCMR5 result

The verdict

EPA records 99 drinking-water violations at Galisteo Mdwca, 16% of them health-based - below the New Mexico per-system average.

99
Total EPA violations on record
16%
Health-based (MCL / treatment failure)
215
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Galisteo Mdwca

Galisteo Mdwca is a local-owned community water system that delivers drinking water to 215 residents in Santa Fe, New Mexico (Santa Fe County) through 73 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 99 total violations for this system , of which 16 (16%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 43 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 19 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%).

Galisteo Mdwca's 99 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
215
Total Violations
99
Health-Based Violations
16
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
73
County
Santa Fe
School/Daycare
No
MCL Violations
16
Monitoring Violations
43
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 19 2016
Coliform (TCR) MCL 16 2015
Revised Total Coliform Rule MON 16 2016
Lead and Copper Rule MR 15 2015
Coliform (TCR) MR 9 1996
Revised Total Coliform Rule Other 4 2016
Nitrate-Nitrite MR 2 2004
Public Notice Other 2 2008
Fluoride MR 1 1984

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 Galisteo Mdwca.

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 NM3504426 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
2016 Consumer Confidence Rule Other 19 SDWIS / NM3504426 / 7000
2016 Revised Total Coliform Rule MON 16 SDWIS / NM3504426 / 8000
2016 Revised Total Coliform Rule Other 4 SDWIS / NM3504426 / 8000
2015 Coliform (TCR) MCL 16 SDWIS / NM3504426 / 3100
2015 Lead and Copper Rule MR 15 SDWIS / NM3504426 / 5000
2008 Public Notice Other 2 SDWIS / NM3504426 / 7500
2004 Nitrate-Nitrite MR 2 SDWIS / NM3504426 / 1038
1996 Coliform (TCR) MR 9 SDWIS / NM3504426 / 3100
1984 Fluoride MR 1 SDWIS / NM3504426 / 1025

How Galisteo Mdwca Compares

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

Metric Galisteo Mdwca New Mexico avg Federal benchmark
Total violations 99 149 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 16 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 215 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 Galisteo Mdwca water safe to drink? ▼
Galisteo Mdwca (PWS ID: NM3504426) has 99 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 215 people using Groundwater sources.
How many people does Galisteo Mdwca serve? ▼
Galisteo Mdwca serves 215 people in Santa Fe, New Mexico. It is a Local-owned system using Groundwater water sources with 73 service connections.
What type of violations does Galisteo Mdwca have? ▼
Galisteo Mdwca has 99 total violations: 16 health-based violations (MCL exceedances or treatment failures), 43 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Galisteo Mdwca water? ▼
No PFAS testing data is available for Galisteo Mdwca under the EPA's UCMR5 monitoring program.
What water source does Galisteo Mdwca use? ▼
Galisteo Mdwca 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.