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Park Hill, OK Tap Water Quality 2026

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

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

Main Utility: Tahlequah Pwa PWSID: OK1021701 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. No PFAS was detected.

C

Park Hill earns a C for water quality

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

Lead: not detected
PFAS tested, none detected
14 violations since 2015, 10 health-based
No violations currently open
Park Hill's lead level vs. all Oklahoma community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Oklahoma utilities
Population Served
1779
~7972 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
14 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
Asbestos MONITORING AND REPORTING — 7 MFL 2023 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.062 MG/L 0.060 mg/L 2022 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2022 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.063 MG/L 0.060 mg/L 2022 Resolved
Long Term 2 Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2019 Resolved
Long Term 2 Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2019 Archived
Long Term 2 Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2019 Archived
Long Term 2 Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.061 MG/L 0.060 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.066 MG/L 0.060 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.071 MG/L 0.060 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2017 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

14 violations are on record since 2015, of which 10 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Tahlequah Pwa
PWSID OK1021701
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 1,779
Service connections 7,972
Systems serving this area 5
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Park Hill tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Park Hill water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Park Hill? ▼
Tahlequah Pwa (PWSID OK1021701), one of 5 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2025-04-25. Inspectors recorded 2 significant deficiencies.

What Should Park Hill 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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