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Taos, NM Tap Water Quality 2026

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

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

Main Utility: Taos Municipal Water System PWSID: NM3507529 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 5.00 ppb, 33% of the action level and no violations are open. No PFAS was detected.

C

Taos earns a C for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: 5.00 ppb — 33% of the federal action level
PFAS tested, none detected
4 violations since 2015, 0 health-based
No violations currently open
Taos's lead level vs. all New Mexico community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 5.00 ppb — 33% of the federal action level
✓ Lower lead than 16% of New Mexico utilities
Population Served
6142
~2155 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
4 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
33% of EPA action level
5.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 5.00 ppb, 33% 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
Public Notice OTHER — — 2019 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2018 Resolved
Public Notice OTHER — — 2017 Resolved
Consumer Confidence Rule OTHER — — 2016 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

4 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Taos Municipal Water System
PWSID NM3507529
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 6,142
Service connections 2,155
Systems serving this area 9
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Taos tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 5.00 ppb, 33% of the action level.
Does Taos water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Taos? ▼
Taos Municipal Water System (PWSID NM3507529), one of 9 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2023-12-11. Inspectors recorded 3 significant deficiencies.

What Should Taos Residents Do?

1
Consider a filter certified for lead
Look for NSF/ANSI 53 certification for lead reduction.
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.

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