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States → New Mexico

Community Water System · PWS NM3519425

Tecolotito Mdwca

Ribera, New Mexico 87560 - drinking water served from groundwater sources to 246 people, tracked in EPA SDWIS and UCMR5.

246
People served
140
EPA violations
35
Health-based
Untested
UCMR5 result

The verdict

EPA records 140 drinking-water violations at Tecolotito Mdwca, 25% of them health-based - below the New Mexico per-system average.

140
Total EPA violations on record
25%
Health-based (MCL / treatment failure)
246
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Tecolotito Mdwca

Tecolotito Mdwca is a local-owned community water system that delivers drinking water to 246 residents in Ribera, New Mexico (San Miguel County) through 98 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 140 total violations for this system , of which 35 (25%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 63 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 26 violations (MCL, health-based). 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%).

Tecolotito Mdwca's 140 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
246
Total Violations
140
Health-Based Violations
35
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
98
County
San Miguel
School/Daycare
No
MCL Violations
26
Monitoring Violations
63
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 26 2011
Coliform (TCR) MR 25 2007
Chlorine MR 16 2012
Revised Total Coliform Rule MON 12 2020
Consumer Confidence Rule Other 10 2022
Groundwater Rule TT 9 2020
Public Notice Other 3 2016
E. COLI MR 3 2023
Combined Uranium MR 2 2004
Gross Alpha, Excl. Radon and U MR 2 2004
Radium-226 MR 2 2004
Radium-228 MR 1 2004

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 Tecolotito 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 NM3519425 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
2023 E. COLI MR 3 SDWIS / NM3519425 / 3014
2022 Consumer Confidence Rule Other 10 SDWIS / NM3519425 / 7000
2020 Revised Total Coliform Rule MON 12 SDWIS / NM3519425 / 8000
2020 Groundwater Rule TT 9 SDWIS / NM3519425 / 0700
2016 Public Notice Other 3 SDWIS / NM3519425 / 7500
2012 Chlorine MR 16 SDWIS / NM3519425 / 0999
2011 Coliform (TCR) MCL 26 SDWIS / NM3519425 / 3100
2007 Coliform (TCR) MR 25 SDWIS / NM3519425 / 3100
2004 Combined Uranium MR 2 SDWIS / NM3519425 / 4006
2004 Gross Alpha, Excl. Radon and U MR 2 SDWIS / NM3519425 / 4000
2004 Radium-226 MR 2 SDWIS / NM3519425 / 4020
2004 Radium-228 MR 1 SDWIS / NM3519425 / 4030

How Tecolotito Mdwca Compares

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

Metric Tecolotito Mdwca New Mexico avg Federal benchmark
Total violations 140 149 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 35 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 246 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 Tecolotito Mdwca water safe to drink? ▼
Tecolotito Mdwca (PWS ID: NM3519425) has 140 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 246 people using Groundwater sources.
How many people does Tecolotito Mdwca serve? ▼
Tecolotito Mdwca serves 246 people in Ribera, New Mexico. It is a Local-owned system using Groundwater water sources with 98 service connections.
What type of violations does Tecolotito Mdwca have? ▼
Tecolotito Mdwca has 140 total violations: 35 health-based violations (MCL exceedances or treatment failures), 63 monitoring/reporting violations, and 9 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Tecolotito Mdwca water? ▼
No PFAS testing data is available for Tecolotito Mdwca under the EPA's UCMR5 monitoring program.
What water source does Tecolotito Mdwca use? ▼
Tecolotito 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.