SCIO TOWNSHIP

ANN ARBOR, MI · ~8,500 people served

Check your exact address → ANN ARBOR overview

100

Excellent

PurityRadar safety score

PWSID

MI0005977

State

Michigan

City

ANN ARBOR

Population served

8,500

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

Latest detections from EPA’s UCMR5 monitoring (through Aug 2023). Levels in parts per trillion (ppt).

PFHpA

4.2 ppt

limit —

No federal limit

PFHxA

3.6 ppt

limit —

No federal limit

PFPeA

3.4 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Reporting · Lead & Copper Rule began Nov 2024 Resolved

Reporting · Lead & Copper Rule began Nov 2023 Resolved

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

Other · EPA contaminant 7000 began Jul 2021 Resolved

Monitoring & reporting · Total coliform began May 2006 Resolved

Monitoring & reporting · Total coliform began Apr 1997 Resolved

Recent enforcement actions

State action · SIF May 2025
State action · SFM Dec 2024
State action · SIA Dec 2024
State action · SIE Dec 2024
State action · SOX Dec 2024
State action · SIF Apr 2024
State action · SIE Dec 2023
State action · SIA Dec 2023

This profile is built from EPA public records for system MI0005977 — 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.