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States → New Mexico

Community Water System · PWS NM3502721

Lumberton Mdwca

Lumberton, New Mexico 87528 - drinking water served from surface water sources to 223 people, tracked in EPA SDWIS and UCMR5.

223
People served
1,277
EPA violations
341
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,277 drinking-water violations at Lumberton Mdwca, 27% of them health-based - above the New Mexico per-system average.

1,277
Total EPA violations on record
27%
Health-based (MCL / treatment failure)
223
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lumberton Mdwca

Lumberton Mdwca is a local-owned community water system that delivers drinking water to 223 residents in Lumberton, New Mexico (Rio Arriba County) through 78 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 1,277 total violations for this system , of which 341 (27%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 724 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 Coliform (TCR), recorded in 634 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, 70 of 72 UCMR5-tested systems have reported PFAS detections (97.2%).

Lumberton Mdwca's 1,277 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
223
Total Violations
1,277
Health-Based Violations
341
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
78
County
Rio Arriba
School/Daycare
No
MCL Violations
208
Monitoring Violations
724
Treatment Tech Violations
133

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 634 2007
Surface Water Treatment Rule TT 109 2009
Coliform (TCR) MCL 106 2006
Total Haloacetic Acids (HAA5) MCL 74 2024
Coliform (TCR) Other 44 2001
Surface Water Treatment Rule MR 40 2025
TTHM MCL 28 2022
Consumer Confidence Rule Other 23 2021
Public Notice Other 21 2022
Coliform (Pre-TCR) Other 21 1990
Interim Enhanced Surface Water Treatment Rule MR 20 2025
Long Term 2 Enhanced Surface Water Treatment Rule TT 17 2025
E. COLI MR 8 2009
Interim Enhanced Surface Water Treatment Rule TT 7 2009
Lead and Copper Rule MR 7 2014
Fluoride MR 6 2006
Nitrate MR 3 1981
Chlorine MR 3 2012
Nitrate-Nitrite MR 3 2006

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 Lumberton 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 NM3502721 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 Surface Water Treatment Rule MR 40 SDWIS / NM3502721 / 0200
2025 Interim Enhanced Surface Water Treatment Rule MR 20 SDWIS / NM3502721 / 0300
2025 Long Term 2 Enhanced Surface Water Treatment Rule TT 17 SDWIS / NM3502721 / 0800
2024 Total Haloacetic Acids (HAA5) MCL 74 SDWIS / NM3502721 / 2456
2022 TTHM MCL 28 SDWIS / NM3502721 / 2950
2022 Public Notice Other 21 SDWIS / NM3502721 / 7500
2021 Consumer Confidence Rule Other 23 SDWIS / NM3502721 / 7000
2014 Lead and Copper Rule MR 7 SDWIS / NM3502721 / 5000
2012 Chlorine MR 3 SDWIS / NM3502721 / 0999
2009 Surface Water Treatment Rule TT 109 SDWIS / NM3502721 / 0200
2009 E. COLI MR 8 SDWIS / NM3502721 / 3014
2009 Interim Enhanced Surface Water Treatment Rule TT 7 SDWIS / NM3502721 / 0300
2007 Coliform (TCR) MR 634 SDWIS / NM3502721 / 3100
2006 Coliform (TCR) MCL 106 SDWIS / NM3502721 / 3100
2006 Fluoride MR 6 SDWIS / NM3502721 / 1025

How Lumberton Mdwca Compares

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

Metric Lumberton Mdwca New Mexico avg Federal benchmark
Total violations 1,277 149 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 341 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 223 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 Lumberton Mdwca water safe to drink? ▼
Lumberton Mdwca (PWS ID: NM3502721) has 1277 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 223 people using Surface Water sources.
How many people does Lumberton Mdwca serve? ▼
Lumberton Mdwca serves 223 people in Lumberton, New Mexico. It is a Local-owned system using Surface Water water sources with 78 service connections.
What type of violations does Lumberton Mdwca have? ▼
Lumberton Mdwca has 1,277 total violations: 341 health-based violations (MCL exceedances or treatment failures), 724 monitoring/reporting violations, and 133 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lumberton Mdwca water? ▼
No PFAS testing data is available for Lumberton Mdwca under the EPA's UCMR5 monitoring program.
What water source does Lumberton Mdwca use? ▼
Lumberton Mdwca uses Surface Water 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.