County Water Quality Report

Genesee County, Michigan

3 public water systems serving 235,978 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
C
72/100
Utilities rated 3
Population served 235,978
Most recent test 2024

Top water quality concerns in Genesee County

  • Haloacetic acids (HAA9) significantly above health guidelinein 2 of 3 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 2 of 3 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 2 of 3 utilities
  • Lead detected in source waterin 1 of 3 utilities
  • Haloacetic Acids (HAA5) significantly above health guidelinein 1 of 3 utilities

All utilities in Genesee County

Click any utility for full grade card, contaminant data, and treatment plant contact info.

B
79/100

FLINT, CITY OF

FLINT · 81,252 residents

Top concern: Haloacetic acids (HAA9) significantly above health guideline

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C
73/100

City of Flint Water System

Flint · 81,000 residents

Top concern: Lead detected in source water

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C
65/100

GENESEE COUNTY WATER SYSTEM

FLINT · 73,726 residents

Top concern: PFAS contamination

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