WATERFORD TOWNSHIP

WATERFORD, MI · ~73,441 people served

Check your exact address → WATERFORD overview

Excellent

PurityRadar safety score

PWSID

MI0006910

State

Michigan

City

WATERFORD

Population served

73,441

Primary source

Groundwater

Score history

▼ 2 points — the score moved from 100 to 98 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 98

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 Sep 2023). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

6.5 ppt

limit 10 ppt

Near EPA limit

Lithium

9,650 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Reporting · Lead & Copper Rule began Dec 2024 Resolved

Treatment technique · Lead & Copper Rule health-based began Jan 2023 Resolved

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

Max contaminant level (MCL) · Arsenic health-based began Jan 2010 Resolved

Recent enforcement actions

State action · SIF Jun 2025
State action · SIA Jan 2025
State action · SIE Jan 2025
State action · SOX Jan 2025
State action · SOX Oct 2023
State action · SIF Aug 2023
State action · SIE Jul 2023
State action · SIA Jul 2023

This profile is built from EPA public records for system MI0006910 — 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.