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Harrah, OK Tap Water Quality 2026

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

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

Main Utility: Harrah PWSID: OK2005506 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.10 ppb, 7% of the action level and no violations are open. No PFAS was detected.

C

Harrah earns a C for water quality

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

Lead: 1.10 ppb — 7% of the federal action level
PFAS tested, none detected
53 violations since 2015, 10 health-based
No violations currently open
Harrah's lead level vs. all Oklahoma community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.10 ppb — 7% of the federal action level
✓ Lower lead than 81% of Oklahoma utilities
Population Served
4205
~2072 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
53 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
7% of EPA action level
1.10 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.10 ppb, 7% 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
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2024 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2024 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2024 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2024 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2024 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2024 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2024 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2024 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2024 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2024 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2024 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2024 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2024 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2024 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2024 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2024 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2024 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2024 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2023 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2023 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2023 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2023 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2023 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2023 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2023 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2023 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2023 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2023 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2023 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2023 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2023 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2022 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2022 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2020–2022 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2020–2022 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2020–2022 Resolved
Gross Beta Particle Activity MONITORING AND REPORTING — 4 mrem/yr 2020–2022 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 16 PCI/L 15 pCi/L 2017 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 17 PCI/L 15 pCi/L 2016 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 16 PCI/L 15 pCi/L 2016 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 19 PCI/L 15 pCi/L 2016 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 20 PCI/L 15 pCi/L 2016 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 22 PCI/L 15 pCi/L 2015 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 24 PCI/L 15 pCi/L 2015 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 24 PCI/L 15 pCi/L 2015 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 23 PCI/L 15 pCi/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

53 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 Harrah
PWSID OK2005506
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 4,205
Service connections 2,072
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Harrah tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.10 ppb, 7% of the action level.
Does Harrah water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Harrah? ▼
Harrah (PWSID OK2005506). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-12-12. Inspectors recorded 2 significant deficiencies.

What Should Harrah 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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