States ›New Mexico ›Rio Arriba County ›Chama

Chama, NM Tap Water Quality 2026

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

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

Main Utility: Chama Water System PWSID: NM3501021 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS has never been sampled at this system.

B

Chama earns a B for water quality

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

Lead: not detected
PFAS never sampled at this system
88 violations since 2015, 7 health-based
No violations currently open
Chama's lead level vs. all New Mexico community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of New Mexico utilities
Population Served
917
~550 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
88 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Unaddressed
Public Notice OTHER — — 2024 Unaddressed
Public Notice OTHER — — 2024 Unaddressed
Public Notice OTHER — — 2024 Resolved
Consumer Confidence Rule OTHER — — 2023 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2023 Addressed
Public Notice OTHER — — 2023 Addressed
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2023 Addressed
Surface Water Treatment Rule MONITORING AND REPORTING — — 2023 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2023 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2023 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2023 Resolved
Public Notice OTHER — — 2023 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2023 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2023 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Resolved
Public Notice OTHER — — 2023 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2023 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2023 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2023 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2023 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2022 Resolved
Public Notice OTHER — — 2022 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2022 Resolved
Public Notice OTHER — — 2022 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2021 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
Long Term 2 Enhanced Surface Water Treatment Rule OTHER — — 2020 Addressed
Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2020 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2020 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2020 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2020 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2020 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2020 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2020 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2020 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2020 Resolved
Public Notice OTHER — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2018 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2018 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2018 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2018 Resolved
Long Term 2 Enhanced Surface Water Treatment Rule OTHER — — 2018 Addressed
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
Public Notice OTHER — — 2018 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2018 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2018 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2017 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2017 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2017 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2017 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016 Resolved
Public Notice OTHER — — 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 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

88 violations are on record since 2015, of which 7 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Chama Water System
PWSID NM3501021
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 917
Service connections 550
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Chama tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Chama 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 Chama? ▼
Chama Water System (PWSID NM3501021). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2023-06-27. No significant deficiencies were recorded.

What Should Chama 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
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

Nearby Cities in New Mexico

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