WASHINGTON CO RWD #7

DEWEY, OK · ~258 people served

Check your exact address → DEWEY overview

100

Excellent

PurityRadar safety score

PWSID

OK3007415

State

Oklahoma

City

DEWEY

Population served

258

Primary source

SWP

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

Violations on record

Unaddressed

Health-based

214

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2026. Official EPA record →

Other · EPA contaminant 7000 began Jul 2025 Resolved

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Addressed

Reporting · EPA contaminant 5200 began Oct 2024 Addressed

Monitoring & reporting · EPA contaminant 0999 began Jul 2024 Resolved

Monitoring · Lead & Copper Rule began Jul 2024 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Mar 2024 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Dec 2023 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2022 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2022 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2022 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Dec 2021 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2021 Resolved

Recent enforcement actions

EPA/federal action · EFL Mar 2026
State action · SOX Sep 2025
State action · SOX Sep 2025
State action · SOX Sep 2025
State action · SOX Sep 2025
State action · SIA Aug 2025
State action · SIE Aug 2025
State action · SIA Jul 2025

This profile is built from EPA public records for system OK3007415 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.