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Anton Chico, NM Tap Water Quality 2026

Water quality report for Anton Chico, NM — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Anton Chico's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Sangre De Cristo Regional Mdwca PWSID: NM3515110 Updated: 2026 Q2
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1 violation currently open

Lead is 1.30 ppb, 9% of the action level. PFAS has never been sampled at this system.

F

Anton Chico earns an F for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 1.30 ppb — 9% of the federal action level
PFAS never sampled at this system
89 violations since 2015, 19 health-based
1 violation currently open
Anton Chico's lead level vs. all New Mexico community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.30 ppb — 9% of the federal action level
✓ Lower lead than 67% of New Mexico utilities
Population Served
161
~277 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
1
1 open of 89 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
9% of EPA action level
1.30 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.30 ppb, 9% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Consumer Confidence Rule OTHER — — 2025 Resolved
Consumer Confidence Rule OTHER — — 2025 Resolved
Public Notice OTHER — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
Consumer Confidence Rule OTHER — — 2024 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Unaddressed
Consumer Confidence Rule OTHER — — 2024 Resolved
Public Notice OTHER — — 2024 Resolved
Public Notice OTHER — — 2022 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2022 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2022 Resolved
Consumer Confidence Rule OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Consumer Confidence Rule OTHER — — 2020 Resolved
Consumer Confidence Rule OTHER — — 2020 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Public Notice OTHER — — 2019 Resolved
E. COLI MONITORING AND REPORTING — 0 2019 Resolved
Consumer Confidence Rule OTHER — — 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Public Notice OTHER — — 2018 Resolved
Consumer Confidence Rule OTHER — — 2018 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2018–2019 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2018–2019 Resolved
Public Notice OTHER — — 2018 Resolved
Consumer Confidence Rule OTHER — — 2018 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2018 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2018 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2018 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2018 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2017–2018 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2017–2018 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2017 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2017 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2017 Resolved
Public Notice OTHER — — 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
Revised Total Coliform Rule OTHER — — 2016 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
E. COLI MONITORING AND REPORTING — 0 2015 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Public Notice OTHER — — 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

1 violation remains open, out of 89 recorded since 2015 (19 health-based).

About the Main Water System

Utility Sangre De Cristo Regional Mdwca
PWSID NM3515110
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 161
Service connections 277
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Anton Chico tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open. Lead is 1.30 ppb, 9% of the action level.
Does Anton Chico water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Anton Chico? ▼
Sangre De Cristo Regional Mdwca (PWSID NM3515110). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2023-02-21. Inspectors recorded 5 significant deficiencies.

What Should Anton Chico Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Follow the open violation
This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

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