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Devol, OK Tap Water Quality 2026

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

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

Main Utility: Devol PWSID: OK3001701 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS has never been sampled at this system.

B

Devol earns a B for water quality

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

Lead: not detected
PFAS never sampled at this system
32 violations since 2015, 25 health-based
No violations currently open
Devol'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
93
~65 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
32 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 MONITORING AND REPORTING — TT 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
Consumer Confidence Rule OTHER — — 2024 Resolved
TTHM MCL EXCEEDANCE 0.097 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.11 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.115 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.11 MG/L 0.080 mg/L 2023 Archived
TTHM MCL EXCEEDANCE 0.102 MG/L 0.080 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.102 MG/L 0.080 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.096 MG/L 0.080 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.095 MG/L 0.080 mg/L 2022 Archived
TTHM MCL EXCEEDANCE 0.093 MG/L 0.080 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2021 Archived
TTHM MCL EXCEEDANCE 0.111 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.115 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.11 MG/L 0.080 mg/L 2020 Archived
TTHM MCL EXCEEDANCE 0.11 MG/L 0.080 mg/L 2019 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.088 MG/L 0.080 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.088 MG/L 0.080 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.091 MG/L 0.080 mg/L 2019 Archived
TTHM MCL EXCEEDANCE 0.092 MG/L 0.080 mg/L 2018 Archived
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2018 Archived
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2018 Archived
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.109 MG/L 0.080 mg/L 2015 Resolved
Consumer Confidence Rule OTHER — — 2015 Resolved
TTHM MCL EXCEEDANCE 0.155 MG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.18 MG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 0.193 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

32 violations are on record since 2015, of which 25 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Devol
PWSID OK3001701
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 93
Service connections 65
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Devol tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Devol 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 Devol? ▼
Devol (PWSID OK3001701), 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 2025-10-24. No significant deficiencies were recorded.

What Should Devol 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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