Is Detroit, Michigan tap water safe?
2 water systems report serving Detroit. Your water depends on which one serves your address. Check your bill if unsure.
A
Detroit Water and Sewerage Department
Serves 633,218 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
C
Great Lakes Water Authority
Population not reported (often a wholesaler) · Surface water · Full report →
3 health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file.