Cuba, NM Tap Water Quality 2026

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

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

Main Utility: Cuba Water System PWSID: NM3509023 Updated: 2026 Q2
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12 violations currently open

Lead is 7.90 ppb, 53% of the action level. PFAS has never been sampled at this system.

F

Cuba earns an F for water quality

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

Lead: 7.90 ppb — 53% of the federal action level
PFAS never sampled at this system
90 violations since 2015, 36 health-based
12 violations currently open
Cuba's lead level vs. all New Mexico community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 7.90 ppb — 53% of the federal action level
✓ Lower lead than 9% of New Mexico utilities
Population Served
615
~660 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
12
12 open of 90 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
53% of EPA action level
7.90 ppb
Action level: 15 ppb
The 90th-percentile lead result is 7.90 ppb, 53% 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 Unaddressed
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Resolved
Consumer Confidence Rule OTHER — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Consumer Confidence Rule OTHER — — 2024 Unaddressed
Lead and Copper Rule MONITORING AND REPORTING — TT 2024 Resolved
Public Notice OTHER — — 2024 Unaddressed
Consumer Confidence Rule OTHER — — 2024 Unaddressed
Consumer Confidence Rule OTHER — — 2022 Resolved
Public Notice OTHER — — 2022 Resolved
Public Notice OTHER — — 2022 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2021 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2021 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2021 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2021 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2021 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2021 Addressed
Groundwater Rule TREATMENT TECHNIQUE — — 2021 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2021 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Consumer Confidence Rule OTHER — — 2021 Resolved
Groundwater Rule OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Consumer Confidence Rule OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2020 Resolved
Consumer Confidence Rule OTHER — — 2020 Resolved
Consumer Confidence Rule OTHER — — 2020 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2020 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2020 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2020 Resolved
Asbestos MONITORING AND REPORTING — 7 MFL 2020–2022 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2019–2020 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2019–2020 Resolved
Public Notice OTHER — — 2019 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2018 Unaddressed
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
Groundwater Rule TREATMENT TECHNIQUE — — 2018 Addressed
Groundwater Rule TREATMENT TECHNIQUE — — 2018 Addressed
Consumer Confidence Rule OTHER — — 2018 Resolved
Groundwater Rule OTHER — — 2018 Resolved
Consumer Confidence Rule OTHER — — 2018 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 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
Consumer Confidence Rule OTHER — — 2017 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Public Notice OTHER — — 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
Revised Total Coliform Rule OTHER — — 2016 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2016 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2016 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2016 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2016 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2016 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2016 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2016 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2016 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2016 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2015 Unaddressed
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Consumer Confidence Rule OTHER — — 2015 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
Public Notice OTHER — — 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

12 violations remain open, out of 90 recorded since 2015 (36 health-based).

About the Main Water System

Utility Cuba Water System
PWSID NM3509023
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 615
Service connections 660
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Cuba tap water safe to drink? ▼
No federal limit is exceeded on record. 12 violation(s) remain open. Lead is 7.90 ppb, 53% of the action level.
Does Cuba 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 Cuba? ▼
Cuba Water System (PWSID NM3509023). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-08-21. Inspectors recorded 6 significant deficiencies.

What Should Cuba 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
Follow the open violation
This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

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