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Non-Transient Non-Community Water System · PWS NM3590621

Mesa Vista Consolidated Schools

Ojo Caliente, New Mexico 87549 - drinking water served from groundwater sources to 400 people, tracked in EPA SDWIS and UCMR5.

400
People served
84
EPA violations
8
Health-based
Untested
UCMR5 result

The verdict

EPA records 84 drinking-water violations at Mesa Vista Consolidated Schools, 10% of them health-based - below the New Mexico per-system average.

84
Total EPA violations on record
10%
Health-based (MCL / treatment failure)
400
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mesa Vista Consolidated Schools

Mesa Vista Consolidated Schools is a local-owned non-transient non-community water system that delivers drinking water to 400 residents in Ojo Caliente, New Mexico (Taos County) through 10 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 84 total violations for this system , of which 8 (10%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 57 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 Lead and Copper Rule, recorded in 19 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%).

Mesa Vista Consolidated Schools's 84 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
400
Total Violations
84
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
10
County
Taos
School/Daycare
Yes
MCL Violations
3
Monitoring Violations
57
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 19 2022
Chlorine MR 14 2019
TTHM MR 12 2018
Public Notice Other 11 2025
Total Haloacetic Acids (HAA5) MR 8 2017
Groundwater Rule TT 5 2025
Revised Total Coliform Rule Other 4 2016
Revised Total Coliform Rule MON 4 2019
Coliform (TCR) MCL 3 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 Mesa Vista Consolidated Schools.

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 NM3590621 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 Public Notice Other 11 SDWIS / NM3590621 / 7500
2025 Groundwater Rule TT 5 SDWIS / NM3590621 / 0700
2022 Lead and Copper Rule MR 19 SDWIS / NM3590621 / 5000
2019 Chlorine MR 14 SDWIS / NM3590621 / 0999
2019 Revised Total Coliform Rule MON 4 SDWIS / NM3590621 / 8000
2018 TTHM MR 12 SDWIS / NM3590621 / 2950
2017 Total Haloacetic Acids (HAA5) MR 8 SDWIS / NM3590621 / 2456
2016 Revised Total Coliform Rule Other 4 SDWIS / NM3590621 / 8000
2004 Coliform (TCR) MCL 3 SDWIS / NM3590621 / 3100

How Mesa Vista Consolidated Schools Compares

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

Metric Mesa Vista Consolidated Schools New Mexico avg Federal benchmark
Total violations 84 149 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 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 400 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 Mesa Vista Consolidated Schools water safe to drink? ▼
Mesa Vista Consolidated Schools (PWS ID: NM3590621) has 84 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 400 people using Groundwater sources.
How many people does Mesa Vista Consolidated Schools serve? ▼
Mesa Vista Consolidated Schools serves 400 people in Ojo Caliente, New Mexico. It is a Local-owned system using Groundwater water sources with 10 service connections.
What type of violations does Mesa Vista Consolidated Schools have? ▼
Mesa Vista Consolidated Schools has 84 total violations: 8 health-based violations (MCL exceedances or treatment failures), 57 monitoring/reporting violations, and 5 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mesa Vista Consolidated Schools water? ▼
No PFAS testing data is available for Mesa Vista Consolidated Schools under the EPA's UCMR5 monitoring program.
What water source does Mesa Vista Consolidated Schools use? ▼
Mesa Vista Consolidated Schools uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.