South Dakota Water Quality Reports
Comprehensive water quality data for 113 cities across South Dakota. View EPA-verified contaminant levels and get filter recommendations.
113
Cities
113
Safe
0
Monitor
0
At Risk
Water Quality by County
Explore aggregated water quality scores across South Dakota counties. Scores are calculated based on EPA data and weighted by population.
Loading map...
Data from 14 cities serving 457,974 people across 22 counties.
Cities in South Dakota
Sioux Falls
People Served205K
Contaminants Tested0
Above Guidelines0
View Report β
Rapid City
People Served73K
Contaminants Tested0
Above Guidelines0
View Report β
Watertown
People Served26K
Contaminants Tested0
Above Guidelines0
View Report β
Brookings
People Served23K
Contaminants Tested0
Above Guidelines0
View Report β
Dell Rapids
People Served17K
Contaminants Tested0
Above Guidelines0
View Report β
Yankton
People Served15K
Contaminants Tested0
Above Guidelines0
View Report β
Olivet
People Served13K
Contaminants Tested0
Above Guidelines0
View Report β
Pierre
People Served12K
Contaminants Tested0
Above Guidelines0
View Report β
Spearfish
People Served12K
Contaminants Tested0
Above Guidelines0
View Report β
Vermillion
People Served11K
Contaminants Tested0
Above Guidelines0
View Report β
North Spearfish
People Served11K
Contaminants Tested0
Above Guidelines0
View Report β
Box Elder
People Served11K
Contaminants Tested0
Above Guidelines0
View Report β
Brandon
People Served10K
Contaminants Tested0
Above Guidelines0
View Report β
Rapid Valley
People Served10K
Contaminants Tested0
Above Guidelines0
View Report β
Harrisburg
People Served8K
Contaminants Tested0
Above Guidelines0
View Report β
Murdo
People Served7K
Contaminants Tested0
Above Guidelines0
View Report β
Tea
People Served7K
Contaminants Tested0
Above Guidelines0
View Report β
Egan
People Served6K
Contaminants Tested0
Above Guidelines0
View Report β
Wakonda
People Served5K
Contaminants Tested0
Above Guidelines0
View Report β
Beresford
People Served4K
Contaminants Tested0
Above Guidelines0
View Report β
North Sioux City
People Served4K
Contaminants Tested0
Above Guidelines0
View Report β
Canton
People Served4K
Contaminants Tested0
Above Guidelines0
View Report β
Mobridge
People Served4K
Contaminants Tested0
Above Guidelines0
View Report β
Hartford
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Dakota Dunes
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Eagle Butte
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Mitchell
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Kimball
People Served3K
Contaminants Tested0
Above Guidelines0
View Report β
Lennox
People Served3K
Contaminants Tested20
Above Guidelines0
View Report β
Agency Village
People Served2K
Contaminants Tested20
Above Guidelines0
View Report β
Sisseton
People Served2K
Contaminants Tested20
Above Guidelines0
View Report β
Chamberlain
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Flandreau
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Redfield
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Clark
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Fort Pierre
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Springfield
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Custer
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Elk Point
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Volga
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Webster
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Wagner
People Served2K
Contaminants Tested20
Above Guidelines0
View Report β
Parkston
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Mission
People Served2K
Contaminants Tested0
Above Guidelines0
View Report β
Newell
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Groton
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Fort Thompson
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Lower Brule
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Freeman
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Salem
People Served1K
Contaminants Tested2
Above Guidelines0
View Report β
Oral
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Gregory
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Deadwood
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Crooks
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Clear Lake
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Platte
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Colonial Pine Hills
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Baltic
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Garretson
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Gettysburg
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Lemmon
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Worthing
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Tyndall
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Alcester
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Edgemont
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Estelline
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Highmore
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Faulkton
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
McLaughlin
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Onida
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Selby
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Hot Springs
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Colman
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Lead
People Served1K
Contaminants Tested0
Above Guidelines0
View Report β
Presho
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Lake Norden
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Wolsey
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Timber Lake
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Herreid
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Tabor
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Irene
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Gayville
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Hayti
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Iroquois
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Blunt
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Ethan
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Belle Fourche
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Alpena
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Black Hawk
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Trent
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Artesian
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Letcher
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Mission Hill
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Wessington
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Huron
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Volin
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Buffalo Gap
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Scotland
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Lesterville
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Oelrichs
People Served0K
Contaminants Tested0
Above Guidelines0
View Report β
Showing top 100 of 113 cities by population.
Use the search box above to find any city in South Dakota.
Stay Informed About Your Water Quality
Get EPA reports, filter recommendations, and safety alerts for your area.
Join 10,000+ people protecting their families. Unsubscribe anytime.