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Haileyville, OK Tap Water Quality 2026

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

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

Main Utility: Haileyville PWSID: OK3006111 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 2.17 ppb, 14% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Haileyville earns a B for water quality

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

Lead: 2.17 ppb — 14% of the federal action level
PFAS never sampled at this system
34 violations since 2015, 23 health-based
No violations currently open
Haileyville's lead level vs. all Oklahoma community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.17 ppb — 14% of the federal action level
✓ Lower lead than 44% of Oklahoma utilities
Population Served
712
~376 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
34 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
14% of EPA action level
2.17 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.17 ppb, 14% 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
Consumer Confidence Rule OTHER — — 2025 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2023 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2022 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.105 MG/L 0.080 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.091 MG/L 0.080 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.093 MG/L 0.080 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.105 MG/L 0.080 mg/L 2022 Resolved
TTHM MCL EXCEEDANCE 0.1 MG/L 0.080 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 0.092 MG/L 0.080 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 0.088 MG/L 0.080 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 0.104 MG/L 0.080 mg/L 2021 Resolved
TTHM MCL EXCEEDANCE 0.084 MG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.088 MG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2018 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.098 MG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.111 MG/L 0.080 mg/L 2017 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
TTHM MCL EXCEEDANCE 0.103 MG/L 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.061 MG/L 0.060 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.103 MG/L 0.080 mg/L 2017 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.083 MG/L 0.080 mg/L 2016 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
TTHM MCL EXCEEDANCE 0.093 MG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.094 MG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.099 MG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.105 MG/L 0.080 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

34 violations are on record since 2015, of which 23 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Haileyville
PWSID OK3006111
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 712
Service connections 376
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Haileyville tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 2.17 ppb, 14% of the action level.
Does Haileyville 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 Haileyville? ▼
Haileyville (PWSID OK3006111), one of 2 systems serving this area. Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2025-10-02. No significant deficiencies were recorded.

What Should Haileyville 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
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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