Water quality by city
Water quality in South Dakota
EPA drinking-water records for 191 public water systems across 113 South Dakota cities — the contaminants found and the certified filters that remove them. Pick your city for its full report.
Know your ZIP? Go straight to your water report.
Check by ZIP → Rapid City ·PFAS 16 systems Black Hawk 12 systems Pine Ridge 9 systems Spearfish 8 systems Piedmont 6 systems Hot Springs 5 systems Sioux Falls ·PFAS 4 systems Aberdeen ·PFAS 3 systems Lake Andes 3 systems Miller 3 systems Watertown 3 systems Yankton 3 systems Britton 2 systems Dell Rapids 2 systems Edgemont 2 systems Frankfort 2 systems Gayville 2 systems Hermosa 2 systems Hosmer 2 systems Huron 2 systems Milbank 2 systems Mission 2 systems Mitchell 2 systems Oral 2 systems Rosebud 2 systems South Shore 2 systems Wakonda 2 systems Arlington 1 system Aurora 1 system Belle Fourche 1 system Beresford 1 system Box Elder 1 system Brandon 1 system Bristol 1 system Brookings 1 system Bryant 1 system Buffalo Gap 1 system Canova 1 system Carpenter 1 system Castlewood 1 system Centerville 1 system Chancellor 1 system Colome 1 system Conde 1 system Dakota Dunes 1 system De Smet 1 system Doland 1 system Dupree 1 system Eagle Butte 1 system Eden 1 system Egan 1 system Ellsworth Afb 1 system Emery 1 system Estelline 1 system Ethan 1 system Fairburn 1 system Flandreau 1 system Forestburg 1 system Fort Thompson 1 system Freeman 1 system Garden City 1 system Gregory 1 system Harrisburg ·PFAS 1 system Hartford 1 system Henry 1 system Hill City 1 system Humboldt 1 system Keystone ·PFAS 1 system Kimball 1 system Leola 1 system Letcher 1 system Lower Brule 1 system Madison 1 system Manderson 1 system Martin 1 system Mcintosh 1 system Midland 1 system Montrose 1 system Morristown 1 system Mount Vernon 1 system Murdo ·PFAS 1 system New Effington 1 system New Underwood 1 system Nisland 1 system Northville 1 system Owanka 1 system Parker 1 system Pierre 1 system Porcupine 1 system Ree Heights 1 system Rosholt 1 system Scotland 1 system Selby 1 system Seneca 1 system Spencer 1 system Springfield 1 system Sturgis 1 system Summerset 1 system Summit 1 system Tabor 1 system Tea 1 system Tolstoy 1 system Toronto 1 system Vale 1 system Valley Springs 1 system Vermillion 1 system Viborg 1 system Wanblee 1 system Wessington 1 system Wessington Springs 1 system White 1 system Winner 1 system Worthing 1 system