States ›New Mexico ›Sandoval County ›Regina

Regina, NM Tap Water Quality 2026

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

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

Main Utility: Regina Mdwca PWSID: NM3509523 Updated: 2026 Q2
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4 violations currently open

Lead is 0.60 ppb, 4% of the action level. PFAS has never been sampled at this system.

D

Regina earns a D for water quality

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

Lead: 0.60 ppb — 4% of the federal action level
PFAS never sampled at this system
89 violations since 2015, 36 health-based
4 violations currently open
Regina's lead level vs. all New Mexico community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 0.60 ppb — 4% of the federal action level
✓ Lower lead than 94% of New Mexico utilities
Population Served
73
~260 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
4
4 open of 89 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
4% of EPA action level
0.60 ppb
Action level: 15 ppb
The 90th-percentile lead result is 0.60 ppb, 4% 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 — — 2026 Unaddressed
Consumer Confidence Rule OTHER — — 2025 Resolved
Consumer Confidence Rule OTHER — — 2025 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2024 Unaddressed
Public Notice OTHER — — 2024 Resolved
Groundwater Rule OTHER — — 2024 Resolved
Consumer Confidence Rule OTHER — — 2023 Resolved
Consumer Confidence Rule OTHER — — 2023 Resolved
Public Notice OTHER — — 2021 Resolved
Asbestos MONITORING AND REPORTING — 7 MFL 2020–2022 Resolved
Consumer Confidence Rule OTHER — — 2019 Resolved
Consumer Confidence Rule OTHER — — 2019 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
Consumer Confidence Rule OTHER — — 2018 Resolved
Consumer Confidence Rule 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
Public Notice OTHER — — 2018 Resolved
Public Notice OTHER — — 2018 Resolved
Public Notice OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2016 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2016 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016–2017 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016–2017 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2016 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2016 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2016 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2016 Resolved
Revised Total Coliform Rule OTHER — — 2016 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015–2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015–2016 Resolved
Consumer Confidence Rule OTHER — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 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

4 violations remain open, out of 89 recorded since 2015 (36 health-based).

About the Main Water System

Utility Regina Mdwca
PWSID NM3509523
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 73
Service connections 260
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Regina tap water safe to drink? ▼
No federal limit is exceeded on record. 4 violation(s) remain open. Lead is 0.60 ppb, 4% of the action level.
Does Regina 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 Regina? ▼
Regina Mdwca (PWSID NM3509523). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-02-20. No significant deficiencies were recorded.

What Should Regina 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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