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Hidalgo, TX Tap Water Quality 2026

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

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

Main Utility: City Of Hidalgo Water System PWSID: TX1080021 Updated: 2026 Q2
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1 violation currently open

Lead is 1.77 ppb, 12% of the action level. No PFAS was detected.

C

Hidalgo earns a C for water quality

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

Lead: 1.77 ppb — 12% of the federal action level
PFAS tested, none detected
13 violations since 2015, 1 health-based
1 violation currently open
Hidalgo's lead level vs. all Texas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.77 ppb — 12% of the federal action level
✓ Lower lead than 44% of Texas utilities
Population Served
12572
~3947 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
1
1 open of 13 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
12% of EPA action level
1.77 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.77 ppb, 12% 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 — — 2025 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Unaddressed
Consumer Confidence Rule OTHER — — 2024 Resolved
Public Notice OTHER — — 2023 Resolved
Public Notice OTHER — — 2022 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2021 Resolved
Consumer Confidence Rule OTHER — — 2021 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2021 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2019 Resolved
Consumer Confidence Rule OTHER — — 2019 Resolved
Consumer Confidence Rule 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

1 violation remains open, out of 13 recorded since 2015 (1 health-based).

About the Main Water System

Utility City Of Hidalgo Water System
PWSID TX1080021
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 12,572
Service connections 3,947
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Hidalgo tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open. Lead is 1.77 ppb, 12% of the action level.
Does Hidalgo water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Hidalgo? ▼
City Of Hidalgo Water System (PWSID TX1080021), one of 2 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-05-16. No significant deficiencies were recorded.

What Should Hidalgo 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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