TECUMSEH UTILITY AUTHORITY

TECUMSEH, OK · ~6,098 people served

Check your exact address → TECUMSEH overview

100

Excellent

PurityRadar safety score

PWSID

OK1020506

State

Oklahoma

City

TECUMSEH

Population served

6,098

Primary source

Surface water

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

Latest detections from EPA’s UCMR5 monitoring (through Mar 2025). Levels in parts per trillion (ppt).

Lithium

30,000 ppt

limit —

No federal limit

PFBA

5.2 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

234

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2025. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Sep 2025 Unaddressed

Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2025 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2025 Resolved

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

Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2024 Resolved

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

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

Monitoring & reporting · EPA contaminant 0999 began Oct 2019 Resolved

Monitoring · Lead & Copper Rule began Oct 2019 Resolved

Monitoring & reporting · EPA contaminant 0300 began Feb 2019 Resolved

Monitoring & reporting · Total coliform began Jun 2015 Resolved

Max contaminant level (MCL) · Total coliform health-based began Oct 2013 Resolved

Recent enforcement actions

State action · SIA Nov 2025
State action · SIA Jun 2025
State action · SIE Jun 2025
State action · SIA Jun 2025
State action · SIA Jun 2025
State action · SOX May 2025
State action · SOX May 2025
State action · SOX Oct 2024

This profile is built from EPA public records for system OK1020506 — 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.