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Idalou, TX Tap Water Quality 2026

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

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

Main Utility: City Of Idalou PWSID: TX1520001 Updated: 2026 Q2
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1 violation currently open

Lead is 0.95 ppb, 6% of the action level. PFAS has never been sampled at this system.

D

Idalou earns a D for water quality

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

Lead: 0.95 ppb — 6% of the federal action level
PFAS never sampled at this system
55 violations since 2015, 40 health-based
1 violation currently open
Idalou's lead level vs. all Texas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 0.95 ppb — 6% of the federal action level
✓ Lower lead than 84% of Texas utilities
Population Served
2193
~996 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
1
1 open of 55 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
6% of EPA action level
0.95 ppb
Action level: 15 ppb
The 90th-percentile lead result is 0.95 ppb, 6% 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
1,1-Dichloroethylene MCL EXCEEDANCE 0.012 MG/L 0.007 mg/L 2026 Unaddressed
Public Notice OTHER — — 2026 Unaddressed
Public Notice OTHER — — 2026 Unaddressed
1,1-Dichloroethylene MCL EXCEEDANCE 0.012 MG/L 0.007 mg/L 2026 Archived
1,1-Dichloroethylene MCL EXCEEDANCE 0.011 MG/L 0.007 mg/L 2025 Archived
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2025 Unaddressed
1,1-Dichloroethylene MCL EXCEEDANCE 0.009 MG/L 0.007 mg/L 2025 Archived
Consumer Confidence Rule OTHER — — 2025 Unaddressed
Public Notice OTHER — — 2025 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.008 MG/L 0.007 mg/L 2025 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.008 MG/L 0.007 mg/L 2025 Archived
1,1-Dichloroethylene MCL EXCEEDANCE 0.009 MG/L 0.007 mg/L 2025 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.011 MG/L 0.007 mg/L 2024 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.011 MG/L 0.007 mg/L 2024 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.011 MG/L 0.007 mg/L 2024 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.011 MG/L 0.007 mg/L 2024 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.011 MG/L 0.007 mg/L 2023 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.011 MG/L 0.007 mg/L 2023 Resolved
Public Notice OTHER — — 2023 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.011 MG/L 0.007 mg/L 2023 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.01 MG/L 0.007 mg/L 2023 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.009 MG/L 0.007 mg/L 2022 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.008 MG/L 0.007 mg/L 2022 Resolved
Public Notice OTHER — — 2022 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.01 MG/L 0.007 mg/L 2022 Resolved
Public Notice OTHER — — 2021 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.01 MG/L 0.007 mg/L 2021 Resolved
Public Notice OTHER — — 2021 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.011 MG/L 0.007 mg/L 2021 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.013 MG/L 0.007 mg/L 2021 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.011 MG/L 0.007 mg/L 2021 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.009 MG/L 0.007 mg/L 2020 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.009 MG/L 0.007 mg/L 2020 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.009 MG/L 0.007 mg/L 2020 Resolved
Public Notice OTHER — — 2020 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.01 MG/L 0.007 mg/L 2020 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.014 MG/L 0.007 mg/L 2019 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.015 MG/L 0.007 mg/L 2019 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.013 MG/L 0.007 mg/L 2019 Resolved
Public Notice OTHER — — 2019 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.011 MG/L 0.007 mg/L 2019 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.008 MG/L 0.007 mg/L 2018 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.008 MG/L 0.007 mg/L 2017 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.009 MG/L 0.007 mg/L 2016 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.011 MG/L 0.007 mg/L 2016 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.009 MG/L 0.007 mg/L 2016 Resolved
Public Notice OTHER — — 2015 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.012 MG/L 0.007 mg/L 2015 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.012 MG/L 0.007 mg/L 2015 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.012 MG/L 0.007 mg/L 2015 Resolved
1,1-Dichloroethylene MCL EXCEEDANCE 0.014 MG/L 0.007 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

1 violation remains open, out of 55 recorded since 2015 (40 health-based).

About the Main Water System

Utility City Of Idalou
PWSID TX1520001
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 2,193
Service connections 996
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Idalou tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open. Lead is 0.95 ppb, 6% of the action level.
Does Idalou 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 Idalou? ▼
City Of Idalou (PWSID TX1520001), 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 2023-01-26. No significant deficiencies were recorded.

What Should Idalou 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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