North Dakota Water Quality Reports
Comprehensive water quality data for 107 cities across North Dakota. View EPA-verified contaminant levels and get filter recommendations.
Water Quality by County
Explore aggregated water quality scores across North Dakota counties. Scores are calculated based on EPA data and weighted by population.
Common Contaminants in North Dakota
95 cities in North Dakota have at least one contaminant above EPA health guidelines.
Worried about Bromodichloromethane in your water?
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Upload my testCities in North Dakota
Fargo
Frontier
Prairie Rose
Bismarck
Grand Forks
West Fargo
Dickinson
Mandan
Jamestown
Belcourt
Shell Valley
Lincoln
Kindred
Thompson
Fessenden
Gilby
Beulah
Grafton
Rugby
Hillsboro
New Town
Casselton
Langdon
Hazen
Bottineau
Tioga
Lisbon
Carrington
Mayville
Oakes
Garrison
Harvey
Horace
Bowman
Crosby
Park River
Ellendale
New Rockford
Surrey
Larimore
Alexander
Mapleton
Cavalier
Rolla
Washburn
Hettinger
Stanley
Cando
Velva
Burlington
Belfield
Ray
Northwood
Glen Ullin
Hatton
Dunseith
Hebron
Harwood
Wilton
Portland
Minto
Pembina
Center
Edgeley
Rolette
Argusville
Leeds
Emerado
Valley City
Maddock
Neche
Stanton
St. John
St. Thomas
Gackle
Oxbow
Zap
Wimbledon
Sanborn
Golden Valley
Arvilla
Litchville
Kensal
Willow City
Wing
Bowdon
Bisbee
Pick City
Sykeston
Oberon
Rock Lake
Rocklake
Mountain
Dodge
Montpelier
Cleveland
Solen
Jud
Cathay
Cooperstown
Showing top 100 of 107 cities by population.
Use the search box above to find any city in North Dakota.
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