South Dakota Water Quality Reports
Comprehensive water quality data for 113 cities across South Dakota. View EPA-verified contaminant levels and get filter recommendations.
Water Quality by County
Explore aggregated water quality scores across South Dakota counties. Scores are calculated based on EPA data and weighted by population.
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Upload my testCities in South Dakota
Sioux Falls
Rapid City
Watertown
Brookings
Dell Rapids
Yankton
Olivet
Pierre
Spearfish
Vermillion
North Spearfish
Box Elder
Brandon
Rapid Valley
Harrisburg
Murdo
Tea
Egan
Wakonda
Beresford
North Sioux City
Canton
Mobridge
Hartford
Dakota Dunes
Eagle Butte
Mitchell
Kimball
Lennox
Agency Village
Sisseton
Chamberlain
Flandreau
Redfield
Clark
Fort Pierre
Springfield
Custer
Elk Point
Volga
Webster
Wagner
Parkston
Mission
Newell
Groton
Fort Thompson
Lower Brule
Freeman
Salem
Oral
Gregory
Deadwood
Crooks
Clear Lake
Platte
Colonial Pine Hills
Baltic
Garretson
Gettysburg
Lemmon
Worthing
Tyndall
Alcester
Edgemont
Estelline
Highmore
Faulkton
McLaughlin
Onida
Selby
Hot Springs
Colman
Lead
Presho
Lake Norden
Wolsey
Timber Lake
Herreid
Tabor
Irene
Gayville
Hayti
Iroquois
Blunt
Ethan
Belle Fourche
Alpena
Black Hawk
Trent
Artesian
Letcher
Mission Hill
Wessington
Huron
Volin
Buffalo Gap
Scotland
Lesterville
Oelrichs
Showing top 100 of 113 cities by population.
Use the search box above to find any city in South Dakota.
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