South Dakota Water Quality

Water hardness and quality data for 9 cities in South Dakota, USA.

267 mg/L

State average

🔴 Very Hard

Avg category

9

Cities tracked

Sioux Falls

Pop. 171,544

373 mg/Lgroundwater

PFAS: 3.6 ppt

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Rapid City

Pop. 73,569

333.5 mg/Lgroundwater

PFAS: 3.3 ppt

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Aberdeen

Pop. 28,102

269.5 mg/Lgroundwater

PFAS: 2.8 ppt

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Brookings

Pop. 23,657

353.5 mg/Lgroundwater

PFAS: 3.5 ppt

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Huron

Pop. 13,313

299 mg/Lgroundwater

PFAS: 3 ppt

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Mitchell

Pop. 15,669

🟡 Moderately Hard

118 mg/Lgroundwater

PFAS: 1.6 ppt

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Pierre

Pop. 14,091

294.5 mg/Lgroundwater

PFAS: 3 ppt

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Watertown

Pop. 22,073

163.5 mg/Lgroundwater

PFAS: 2 ppt

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Yankton

Pop. 14,557

202 mg/Lgroundwater

PFAS: 2.3 ppt

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