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Mutual, OK Tap Water Quality 2026

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

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

Main Utility: Dewey Co Rwd #3 PWSID: OK2007707 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.00 ppb, 7% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Mutual earns a B for water quality

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

Lead: 1.00 ppb — 7% of the federal action level
PFAS never sampled at this system
59 violations since 2015, 1 health-based
No violations currently open
Mutual's lead level vs. all Oklahoma community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.00 ppb — 7% of the federal action level
✓ Lower lead than 87% of Oklahoma utilities
Population Served
63
~302 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
59 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
7% of EPA action level
1.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.00 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
Consumer Confidence Rule OTHER — — 2025 Unaddressed
TTHM MONITORING AND REPORTING — 0.080 mg/L 2025 Archived
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2025 Archived
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Addressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Addressed
Consumer Confidence Rule OTHER — — 2024 Unaddressed
Consumer Confidence Rule OTHER — — 2022 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2022 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2022 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2022 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2022 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2022–2023 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2022–2023 Resolved
Consumer Confidence Rule OTHER — — 2021 Resolved
Consumer Confidence Rule OTHER — — 2020 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2020–2025 Archived
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2020–2025 Archived
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2020–2025 Archived
Gross Beta Particle Activity MONITORING AND REPORTING — 4 mrem/yr 2020–2025 Archived
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2020–2025 Archived
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2020–2025 Archived
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2020–2025 Archived
Gross Beta Particle Activity MONITORING AND REPORTING — 4 mrem/yr 2020–2025 Archived
Consumer Confidence Rule OTHER — — 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2017 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2017 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Nitrate-Nitrite MONITORING AND REPORTING — — 2017 Resolved
Public Notice OTHER — — 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2016 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016 Resolved
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) MONITORING AND REPORTING — 0.060 mg/L 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016 Resolved
Public Notice OTHER — — 2015 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Consumer Confidence Rule OTHER — — 2015 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
Nitrate-Nitrite MONITORING AND REPORTING — — 2015 Resolved
Nitrate-Nitrite MONITORING AND REPORTING — — 2015 Resolved
Nitrate-Nitrite MONITORING AND REPORTING — — 2015 Resolved
Nitrate-Nitrite MONITORING AND REPORTING — — 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

59 violations are on record since 2015, of which 1 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Dewey Co Rwd #3
PWSID OK2007707
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 63
Service connections 302
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Mutual tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.00 ppb, 7% of the action level.
Does Mutual 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 Mutual? ▼
Dewey Co Rwd #3 (PWSID OK2007707). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-04-09. No significant deficiencies were recorded.

What Should Mutual 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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