Sioux Falls

Minnehaha County, South Dakota

100 Excellent

Water Quality Score

100/100

Grade

Water Systems

Population

195,850

Key Contaminants

PFOS (Perfluorooctane Sulfonate)

0.004 / 0.004 μg/L

0 μg/L MCL: 0.004 μg/L

Lead

8.1622 / 15 μg/L

0 μg/L MCL: 15 μg/L

Barium

0.9758 / 2 mg/L

0 mg/L MCL: 2 mg/L

Uranium

12.659 / 30 μg/L

0 μg/L MCL: 30 μg/L

Nitrate

3.7887 / 10 mg/L

0 mg/L MCL: 10 mg/L

Radium-228

1.8042 / 5 pCi/L

0 pCi/L MCL: 5 pCi/L

Selenium

13.8243 / 50 μg/L

0 μg/L MCL: 50 μg/L

Turbidity

0.0559 / 1 NTU

0 NTU MCL: 1 NTU

Water quality can vary by neighborhood in Sioux Falls.