Ann Arbor
Washtenaw County, Michigan
29 Critical
Water Quality Score
29/100
Grade
F
Water Systems
1
Population
123,851
Key Contaminants
PFAS (Per- and Polyfluoroalkyl Substances) Violation
0.0076 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L
Total Trihalomethanes Violation
139.7001 / 80 μg/L
0 μg/L MCL: 80 μg/L
Copper
1.2518 / 1.3 mg/L
0 mg/L MCL: 1.3 mg/L
Turbidity
0.6064 / 1 NTU
0 NTU MCL: 1 NTU
Lead
5.9683 / 15 μg/L
0 μg/L MCL: 15 μg/L
Perchlorate
18.3014 / 56 μg/L
0 μg/L MCL: 56 μg/L
PFOA (Perfluorooctanoic Acid)
0.0013 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L
Fluoride
1.2753 / 4 mg/L
0 mg/L MCL: 4 mg/L
Water Systems Serving Ann Arbor (1)
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