Okmulgee, OK Tap Water Quality 2026

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

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

Main Utility: Okmulgee Pwa PWSID: OK1020708 Updated: 2026 Q2

✅

No federal limits exceeded on record

Lead is 3.10 ppb, 21% of the action level and no violations are open. No PFAS was detected.

Okmulgee earns a B for water quality

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

Lead: 3.10 ppb — 21% of the federal action level

PFAS tested, none detected

167 violations since 2015, 105 health-based

No violations currently open

Okmulgee's lead level vs. all Oklahoma community water systems

0 ppb5 ppb10 ppb15 ppb

Lead level: 3.10 ppb — 21% of the federal action level

✓ Lower lead than 29% of Oklahoma utilities

Population Served

10711

~4800 connections

Water Source

Surface water

Drawn from surface water — SDWIS source code SW

Active Violations

167 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)

90th percentile of tap samples collected across the distribution system

21% of EPA action level

3.10 ppb

Action level: 15 ppb

The 90th-percentile lead result is 3.10 ppb, 21% 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)

Contaminant	Type	Measured	Limit	Period	Status
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2026	Archived
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2026	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.065 MG/L	0.060 mg/L	2025	Archived
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2025	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.061 MG/L	0.060 mg/L	2025	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.061 MG/L	0.060 mg/L	2025	Archived
Nitrate-Nitrite	MONITORING AND REPORTING	—	—	2025	Archived
LEAD AND COPPER RULE REVISIONS	TREATMENT TECHNIQUE	—	—	2024	Resolved
LEAD AND COPPER RULE REVISIONS	REPORTING FAILURE	—	—	2024	Resolved
Lead and Copper Rule	MONITORING AND REPORTING	—	TT	2024	Resolved
Surface Water Treatment Rule	TREATMENT TECHNIQUE	—	—	2024	Resolved
Nitrate-Nitrite	MONITORING AND REPORTING	—	—	2023	Resolved
Glyphosate	MONITORING AND REPORTING	—	0.7 mg/L	2023	Resolved
TTHM	MCL EXCEEDANCE	0.083 MG/L	0.080 mg/L	2022	Archived
TTHM	MCL EXCEEDANCE	0.089 MG/L	0.080 mg/L	2022	Archived
TTHM	MCL EXCEEDANCE	0.087 MG/L	0.080 mg/L	2022	Archived
TTHM	MCL EXCEEDANCE	0.094 MG/L	0.080 mg/L	2022	Archived
TTHM	MCL EXCEEDANCE	0.081 MG/L	0.080 mg/L	2022	Archived
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2021	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2021	Resolved
CARBON, TOTAL	TREATMENT TECHNIQUE	0.79 RATIO	TT	2021	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.062 MG/L	0.060 mg/L	2021	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.062 MG/L	0.060 mg/L	2021	Archived
TTHM	MCL EXCEEDANCE	0.088 MG/L	0.080 mg/L	2021	Archived
TTHM	MCL EXCEEDANCE	0.081 MG/L	0.080 mg/L	2021	Archived
TTHM	MCL EXCEEDANCE	0.106 MG/L	0.080 mg/L	2021	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.064 MG/L	0.060 mg/L	2021	Archived
TTHM	MCL EXCEEDANCE	0.086 MG/L	0.080 mg/L	2021	Archived
TTHM	MCL EXCEEDANCE	0.101 MG/L	0.080 mg/L	2021	Archived
CARBON, TOTAL	TREATMENT TECHNIQUE	0.8 RATIO	TT	2021	Archived
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2021	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2021	Resolved
TTHM	MCL EXCEEDANCE	0.104 MG/L	0.080 mg/L	2021	Archived
TTHM	MCL EXCEEDANCE	0.093 MG/L	0.080 mg/L	2021	Archived
CARBON, TOTAL	TREATMENT TECHNIQUE	0.77 RATIO	TT	2021	Archived
TTHM	MCL EXCEEDANCE	0.12 MG/L	0.080 mg/L	2021	Archived
TTHM	MCL EXCEEDANCE	0.119 MG/L	0.080 mg/L	2021	Archived
CARBON, TOTAL	TREATMENT TECHNIQUE	—	TT	2021	Archived
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2020	Resolved
TTHM	MCL EXCEEDANCE	0.118 MG/L	0.080 mg/L	2020	Archived
TTHM	MCL EXCEEDANCE	0.128 MG/L	0.080 mg/L	2020	Archived
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.064 MG/L	0.060 mg/L	2020	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.061 MG/L	0.060 mg/L	2020	Archived
TTHM	MCL EXCEEDANCE	0.115 MG/L	0.080 mg/L	2020	Archived
TTHM	MCL EXCEEDANCE	0.123 MG/L	0.080 mg/L	2020	Archived
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.071 MG/L	0.060 mg/L	2020	Archived
TTHM	MCL EXCEEDANCE	0.13 MG/L	0.080 mg/L	2020	Archived
TTHM	MCL EXCEEDANCE	0.124 MG/L	0.080 mg/L	2020	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.072 MG/L	0.060 mg/L	2020	Archived
TTHM	MCL EXCEEDANCE	0.089 MG/L	0.080 mg/L	2020	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.089 MG/L	0.060 mg/L	2020	Archived
TTHM	MCL EXCEEDANCE	0.091 MG/L	0.080 mg/L	2020	Archived
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2020	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.091 MG/L	0.060 mg/L	2020	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.086 MG/L	0.060 mg/L	2020	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.079 MG/L	0.060 mg/L	2020	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.064 MG/L	0.060 mg/L	2020	Archived
TTHM	MCL EXCEEDANCE	0.089 MG/L	0.080 mg/L	2020	Archived
TTHM	MCL EXCEEDANCE	0.087 MG/L	0.080 mg/L	2020	Archived
TTHM	MCL EXCEEDANCE	0.103 MG/L	0.080 mg/L	2020	Archived
TTHM	MCL EXCEEDANCE	0.124 MG/L	0.080 mg/L	2020	Archived
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2019	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2019	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.09 MG/L	0.060 mg/L	2019	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.082 MG/L	0.060 mg/L	2019	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.062 MG/L	0.060 mg/L	2019	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.076 MG/L	0.060 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.085 MG/L	0.080 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.09 MG/L	0.080 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.119 MG/L	0.080 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.107 MG/L	0.080 mg/L	2019	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.089 MG/L	0.060 mg/L	2019	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.086 MG/L	0.060 mg/L	2019	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.071 MG/L	0.060 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.129 MG/L	0.080 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.118 MG/L	0.080 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.089 MG/L	0.080 mg/L	2019	Archived
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2019	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2019	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.067 MG/L	0.060 mg/L	2019	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.08 MG/L	0.060 mg/L	2019	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.083 MG/L	0.060 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.09 MG/L	0.080 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.134 MG/L	0.080 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.103 MG/L	0.080 mg/L	2019	Archived
CARBON, TOTAL	TREATMENT TECHNIQUE	—	TT	2019	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.076 MG/L	0.060 mg/L	2019	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.077 MG/L	0.060 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.09 MG/L	0.080 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.105 MG/L	0.080 mg/L	2019	Archived
TTHM	MCL EXCEEDANCE	0.136 MG/L	0.080 mg/L	2019	Archived
CARBON, TOTAL	TREATMENT TECHNIQUE	—	TT	2019	Archived
Nitrate-Nitrite	MONITORING AND REPORTING	—	—	2019	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.073 MG/L	0.060 mg/L	2018	Archived
TTHM	MCL EXCEEDANCE	0.106 MG/L	0.080 mg/L	2018	Archived
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2018	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2018	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.07 MG/L	0.060 mg/L	2018	Archived
TTHM	MCL EXCEEDANCE	0.108 MG/L	0.080 mg/L	2018	Archived
CARBON, TOTAL	TREATMENT TECHNIQUE	—	TT	2018	Archived
TTHM	MCL EXCEEDANCE	0.107 MG/L	0.080 mg/L	2018	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.062 MG/L	0.060 mg/L	2018	Archived
TTHM	MCL EXCEEDANCE	0.106 MG/L	0.080 mg/L	2018	Archived
TTHM	MCL EXCEEDANCE	0.111 MG/L	0.080 mg/L	2017	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.061 MG/L	0.060 mg/L	2017	Archived
CARBON, TOTAL	TREATMENT TECHNIQUE	—	TT	2017	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2017	Resolved
TTHM	MCL EXCEEDANCE	0.09 MG/L	0.080 mg/L	2017	Archived
CARBON, TOTAL	TREATMENT TECHNIQUE	—	TT	2017	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2017	Resolved
CARBON, TOTAL	TREATMENT TECHNIQUE	—	TT	2017	Archived
TTHM	MCL EXCEEDANCE	0.105 MG/L	0.080 mg/L	2017	Archived
TTHM	MCL EXCEEDANCE	0.098 MG/L	0.080 mg/L	2017	Archived
CARBON, TOTAL	TREATMENT TECHNIQUE	—	TT	2017	Archived
Nitrate-Nitrite	MONITORING AND REPORTING	—	—	2017	Resolved
1,2,4-Trichlorobenzene	MONITORING AND REPORTING	—	0.07 mg/L	2017–2019	Resolved
cis-1,2-Dichloroethylene	MONITORING AND REPORTING	—	0.07 mg/L	2017–2019	Resolved
Xylenes, Total	MONITORING AND REPORTING	—	10 mg/L	2017–2019	Resolved
DICHLOROMETHANE	MONITORING AND REPORTING	—	0.005 mg/L	2017–2019	Resolved
o-Dichlorobenzene	MONITORING AND REPORTING	—	0.6 mg/L	2017–2019	Resolved
p-Dichlorobenzene	MONITORING AND REPORTING	—	0.075 mg/L	2017–2019	Resolved
Vinyl chloride	MONITORING AND REPORTING	—	0.002 mg/L	2017–2019	Resolved
1,1-Dichloroethylene	MONITORING AND REPORTING	—	0.007 mg/L	2017–2019	Resolved
trans-1,2-Dichloroethylene	MONITORING AND REPORTING	—	0.1 mg/L	2017–2019	Resolved
1,2-Dichloroethane	MONITORING AND REPORTING	—	0.005 mg/L	2017–2019	Resolved
1,1,1-Trichloroethane	MONITORING AND REPORTING	—	0.2 mg/L	2017–2019	Resolved
Carbon tetrachloride	MONITORING AND REPORTING	—	0.005 mg/L	2017–2019	Resolved
1,2-Dichloropropane	MONITORING AND REPORTING	—	0.005 mg/L	2017–2019	Resolved
Trichloroethylene	MONITORING AND REPORTING	—	0.005 mg/L	2017–2019	Resolved
1,1,2-Trichloroethane	MONITORING AND REPORTING	—	0.005 mg/L	2017–2019	Resolved
Tetrachloroethylene	MONITORING AND REPORTING	—	0.005 mg/L	2017–2019	Resolved
CHLOROBENZENE	MONITORING AND REPORTING	—	0.1 mg/L	2017–2019	Resolved
Benzene	MONITORING AND REPORTING	—	0.005 mg/L	2017–2019	Resolved
Toluene	MONITORING AND REPORTING	—	1 mg/L	2017–2019	Resolved
Ethylbenzene	MONITORING AND REPORTING	—	0.7 mg/L	2017–2019	Resolved
Styrene	MONITORING AND REPORTING	—	0.1 mg/L	2017–2019	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2016	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2016	Resolved
TTHM	MCL EXCEEDANCE	0.113 MG/L	0.080 mg/L	2016	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.061 MG/L	0.060 mg/L	2016	Archived
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2016	Resolved
TTHM	MCL EXCEEDANCE	0.111 MG/L	0.080 mg/L	2016	Archived
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.062 MG/L	0.060 mg/L	2016	Archived
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2016	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2016	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.072 MG/L	0.060 mg/L	2016	Archived
TTHM	MCL EXCEEDANCE	0.104 MG/L	0.080 mg/L	2016	Archived
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2016	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2016	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.074 MG/L	0.060 mg/L	2016	Archived
TTHM	MCL EXCEEDANCE	0.092 MG/L	0.080 mg/L	2016	Archived
Nitrate-Nitrite	MONITORING AND REPORTING	—	—	2016	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2015	Resolved
Total Haloacetic Acids (HAA5)	MONITORING AND REPORTING	—	0.060 mg/L	2015	Resolved
TTHM	MCL EXCEEDANCE	0.106 MG/L	0.080 mg/L	2015	Resolved
Total Haloacetic Acids (HAA5)	MCL EXCEEDANCE	0.065 MG/L	0.060 mg/L	2015	Resolved
TTHM	MONITORING AND REPORTING	—	0.080 mg/L	2015	Resolved
TTHM	MCL EXCEEDANCE	0.099 MG/L	0.080 mg/L	2015	Resolved
CARBON, TOTAL	TREATMENT TECHNIQUE	—	TT	2015	Resolved
TTHM	MCL EXCEEDANCE	0.096 MG/L	0.080 mg/L	2015	Resolved
CARBON, TOTAL	TREATMENT TECHNIQUE	—	TT	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

167 violations are on record since 2015, of which 105 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Okmulgee Pwa

PWSID OK1020708

Water source Surface water — Drawn from surface water — SDWIS source code SW

Population served 10,711

Service connections 4,800

Systems serving this area 6

Regulator State primacy agency

Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Okmulgee tap water safe to drink? ▼

No federal limit is exceeded on record. No violations are currently open. Lead is 3.10 ppb, 21% of the action level.

Does Okmulgee water have PFAS? ▼

It was tested for the six regulated PFAS compounds and none were detected.

Who supplies water to Okmulgee? ▼

Okmulgee Pwa (PWSID OK1020708), one of 6 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 2026-01-08. No significant deficiencies were recorded.

What Should Okmulgee Residents Do?

Read your annual water report

Your supplier publishes a Consumer Confidence Report each July covering the prior year.

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.

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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