AUBURN HILLS

AUBURN HILLS, MI · ~21,412 people served

Check your exact address → AUBURN HILLS overview

100

Excellent

PurityRadar safety score

PWSID

MI0005450

State

Michigan

City

AUBURN HILLS

Population served

21,412

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

PFBA

5.9 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2023. Official EPA record →

Other · EPA contaminant 7500 began Apr 2023 Resolved

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

Monitoring & reporting · Lead & Copper Rule began Oct 2019 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jun 2019 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jun 2019 Resolved

Other · EPA contaminant 7000 began Jul 2001 Resolved

Recent enforcement actions

State action · SIA Aug 2023
State action · SIF Jun 2023
State action · SOX Jun 2023
State action · SOX Jun 2022
State action · SIE Apr 2022
State action · SIA Apr 2022
State action · SOX Aug 2020
State action · SIE Jan 2020

This profile is built from EPA public records for system MI0005450 — 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.