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UPPER HOLMAN MDWCA

PWS ID: NM3535518 · HOLMAN, New Mexico 87723

UPPER HOLMAN MDWCA serves 325 people in HOLMAN, New Mexico using Groundwater water sources. It has 913 recorded EPA violations, including 178 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: UPPER HOLMAN MDWCA

UPPER HOLMAN MDWCA is a local-owned community water system that delivers drinking water to 325 residents in HOLMAN, New Mexico (Mora County) through 74 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 913 total violations for this system , of which 178 (19%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 636 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 Revised Total Coliform Rule, recorded in 196 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. UPPER HOLMAN MDWCA's 913 violations sit above the New Mexico average. Statewide, 70 of 72 UCMR5-tested systems have reported PFAS detections (97.2%). 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
325
Total Violations
913
Health-Based Violations
178
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
74
County
Mora
School/Daycare
No
MCL Violations
124
Monitoring Violations
636
Treatment Tech Violations
54

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 196 2020
Coliform (TCR) MR 109 2014
Chlorine MR 81 2025
Fluoride MCL 68 2015
Consumer Confidence Rule Other 57 2021
Coliform (TCR) MCL 56 2004
Groundwater Rule TT 54 2023
Total Haloacetic Acids (HAA5) MR 30 2018
TTHM MR 30 2018
Public Notice Other 24 2023
Lead and Copper Rule MR 14 2025
Chlordane MR 4 2008
Benzo(a)pyrene MR 4 2008
Heptachlor MR 4 2008
LASSO MR 4 2008
Atrazine MR 4 2008
Di(2-ethylhexyl) phthalate MR 4 2008
Simazine MR 4 2008
Di(2-ethylhexyl) adipate MR 4 2008
Glyphosate MR 4 2008
Toxaphene MR 4 2008
BHC-GAMMA MR 4 2008
ETHYLENE DIBROMIDE MR 4 2008
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2008
Pentachlorophenol MR 4 2008
2,4,5-TP MR 4 2008
2,4-D MR 4 2008
Carbofuran MR 4 2008
Hexachlorocyclopentadiene MR 4 2008
Dinoseb MR 4 2008

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 UPPER HOLMAN 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 NM3535518 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 Chlorine MR 81 SDWIS / NM3535518 / 0999
2025 Lead and Copper Rule MR 14 SDWIS / NM3535518 / 5000
2023 Groundwater Rule TT 54 SDWIS / NM3535518 / 0700
2023 Public Notice Other 24 SDWIS / NM3535518 / 7500
2021 Consumer Confidence Rule Other 57 SDWIS / NM3535518 / 7000
2020 Revised Total Coliform Rule MON 196 SDWIS / NM3535518 / 8000
2018 Total Haloacetic Acids (HAA5) MR 30 SDWIS / NM3535518 / 2456
2018 TTHM MR 30 SDWIS / NM3535518 / 2950
2016 Revised Total Coliform Rule Other 4 SDWIS / NM3535518 / 8000
2015 Fluoride MCL 68 SDWIS / NM3535518 / 1025
2014 Coliform (TCR) MR 109 SDWIS / NM3535518 / 3100
2009 Fluoride MR 1 SDWIS / NM3535518 / 1025
2008 Chlordane MR 4 SDWIS / NM3535518 / 2959
2008 Benzo(a)pyrene MR 4 SDWIS / NM3535518 / 2306
2008 Heptachlor MR 4 SDWIS / NM3535518 / 2065

How UPPER HOLMAN MDWCA Compares

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

Metric UPPER HOLMAN MDWCA New Mexico avg Federal benchmark
Total violations 913 149 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 178 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 325 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is UPPER HOLMAN MDWCA water safe to drink? ▼
UPPER HOLMAN MDWCA (PWS ID: NM3535518) has 913 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 325 people using Groundwater sources.
How many people does UPPER HOLMAN MDWCA serve? ▼
UPPER HOLMAN MDWCA serves 325 people in HOLMAN, New Mexico. It is a Local-owned system using Groundwater water sources with 74 service connections.
What type of violations does UPPER HOLMAN MDWCA have? ▼
UPPER HOLMAN MDWCA has 913 total violations: 178 health-based violations (MCL exceedances or treatment failures), 636 monitoring/reporting violations, and 54 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in UPPER HOLMAN MDWCA water? ▼
No PFAS testing data is available for UPPER HOLMAN MDWCA under the EPA's UCMR5 monitoring program.
What water source does UPPER HOLMAN MDWCA use? ▼
UPPER HOLMAN 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.

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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.

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