Billings
Yellowstone County, Montana
77 Good
Water Quality Score
77/100
Grade
B
Water Systems
1
Population
119,510
Key Contaminants
Benzene Violation
9.8761 / 5 μg/L
0 μg/L MCL: 5 μg/L
Nitrite
0.8617 / 1 mg/L
0 mg/L MCL: 1 mg/L
Copper
1.0841 / 1.3 mg/L
0 mg/L MCL: 1.3 mg/L
Lead
12.4875 / 15 μg/L
0 μg/L MCL: 15 μg/L
Fluoride
3.2181 / 4 mg/L
0 mg/L MCL: 4 mg/L
PFOA (Perfluorooctanoic Acid)
0.0018 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L
Chlorine
1.5795 / 4 mg/L
0 mg/L MCL: 4 mg/L
Total Trihalomethanes
30.5465 / 80 μg/L
0 μg/L MCL: 80 μg/L
Water Systems Serving Billings (1)
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