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Community Water System · PWS NM3500621

Canones Mdwca

Canones, New Mexico 87516 - drinking water served from groundwater sources to 150 people, tracked in EPA SDWIS and UCMR5.

150
People served
269
EPA violations
62
Health-based
Untested
UCMR5 result

The verdict

EPA records 269 drinking-water violations at Canones Mdwca, 23% of them health-based - above the New Mexico per-system average.

269
Total EPA violations on record
23%
Health-based (MCL / treatment failure)
150
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Canones Mdwca

Canones Mdwca is a local-owned community water system that delivers drinking water to 150 residents in Canones, New Mexico (Rio Arriba County) through 37 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 269 total violations for this system , of which 62 (23%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 136 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 68 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%).

Canones Mdwca's 269 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
150
Total Violations
269
Health-Based Violations
62
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
37
County
Rio Arriba
School/Daycare
No
MCL Violations
0
Monitoring Violations
136
Treatment Tech Violations
62

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 68 2019
Groundwater Rule TT 62 2018
Consumer Confidence Rule Other 24 2013
Public Notice Other 23 2021
TTHM MR 19 2019
Total Haloacetic Acids (HAA5) MR 19 2019
Coliform (TCR) MR 10 2015
Revised Total Coliform Rule MON 6 2025
Arsenic MR 2 1981
Barium MR 2 1981
Chromium MR 2 1981
Mercury MR 2 1981
Cadmium MR 2 1981
Selenium MR 2 1981
Nitrate MR 2 2000

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 Canones 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 NM3500621 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 Revised Total Coliform Rule MON 6 SDWIS / NM3500621 / 8000
2021 Public Notice Other 23 SDWIS / NM3500621 / 7500
2019 Lead and Copper Rule MR 68 SDWIS / NM3500621 / 5000
2019 TTHM MR 19 SDWIS / NM3500621 / 2950
2019 Total Haloacetic Acids (HAA5) MR 19 SDWIS / NM3500621 / 2456
2018 Groundwater Rule TT 62 SDWIS / NM3500621 / 0700
2015 Coliform (TCR) MR 10 SDWIS / NM3500621 / 3100
2013 Consumer Confidence Rule Other 24 SDWIS / NM3500621 / 7000
2000 Nitrate MR 2 SDWIS / NM3500621 / 1040
1981 Arsenic MR 2 SDWIS / NM3500621 / 1005
1981 Barium MR 2 SDWIS / NM3500621 / 1010
1981 Chromium MR 2 SDWIS / NM3500621 / 1020
1981 Mercury MR 2 SDWIS / NM3500621 / 1035
1981 Cadmium MR 2 SDWIS / NM3500621 / 1015
1981 Selenium MR 2 SDWIS / NM3500621 / 1045

How Canones Mdwca Compares

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

Metric Canones Mdwca New Mexico avg Federal benchmark
Total violations 269 149 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 62 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 150 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 Canones Mdwca water safe to drink? ▼
Canones Mdwca (PWS ID: NM3500621) has 269 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 150 people using Groundwater sources.
How many people does Canones Mdwca serve? ▼
Canones Mdwca serves 150 people in Canones, New Mexico. It is a Local-owned system using Groundwater water sources with 37 service connections.
What type of violations does Canones Mdwca have? ▼
Canones Mdwca has 269 total violations: 62 health-based violations (MCL exceedances or treatment failures), 136 monitoring/reporting violations, and 62 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Canones Mdwca water? ▼
No PFAS testing data is available for Canones Mdwca under the EPA's UCMR5 monitoring program.
What water source does Canones Mdwca use? ▼
Canones 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.