199 cities covered
North Dakota water quality, by city
North Dakota cities of 10,000+
| City | Disinfectant | Hardness | Lead | PFAS | Radon |
|---|---|---|---|---|---|
| Fargo | Chloramine | No data | 1.9 ppb | Not detected | High |
| Bismarck | Chloramine | No data | 2.8 ppb | Not detected | High |
| Grand Forks | Chloramine | No data | 8.9 ppb | Not detected | High |
| Minot | Chloramine | 8.8 gpg | 13.5 ppb | Not detected | High |
| West Fargo | Chloramine | No data | Not detected | Not detected | High |
| Williston | Chloramine | 7.4 gpg | Not detected | Not detected | High |
| Dickinson | Chloramine | No data | 5.3 ppb | Not detected | High |
| Mandan | Chloramine | 9.0 gpg | 4.2 ppb | Not detected | High |
| Jamestown | Chloramine | No data | 9.1 ppb | Not detected | High |
Smaller North Dakota towns
190 more covered towns, each with its own page.
- Abercrombie
- Alexander
- Aneta
- Argusville
- Arthur
- Ashley
- Beach
- Belfield
- Berthold
- Beulah
- Binford
- Bisbee
- Bottineau
- Bowbells
- Bowdon
- Bowman
- Buffalo
- Burlington
- Buxton
- Cando
- Carrington
- Carson
- Casselton
- Cavalier
- Center
- Christine
- Colfax
- Columbus
- Cooperstown
- Crary
- Crosby
- Davenport
- Devils Lake
- Drake
- Drayton
- Dunn Center
- Dunseith
- Edgeley
- Edmore
- Elgin
- Ellendale
- Emerado
- Enderlin
- Fairmount
- Fessenden
- Finley
- Flasher
- Fordville
- Forest River
- Forman
- Fort Ransom
- Gackle
- Galesburg
- Gardner
- Garrison
- Gilby
- Gladstone
- Glen Ullin
- Glenburn
- Golden Valley
- Goodrich
- Grafton
- Grandin
- Granville
- Grenora
- Gwinner
- Halliday
- Hankinson
- Hannaford
- Harvey
- Harwood
- Hatton
- Hazelton
- Hazen
- Hebron
- Hettinger
- Hillsboro
- Hoople
- Hope
- Hunter
- Kenmare
- Kensal
- Killdeer
- Kindred
- Kulm
- Lakota
- LaMoure
- Langdon
- Lankin
- Lansford
- Larimore
- Leeds
- Lidgerwood
- Lignite
- Lincoln
- Linton
- Lisbon
- Litchville
- Maddock
- Makoti
- Manvel
- Mapleton
- Marion
- Max
- Mayville
- McClusky
- McVille
- Medina
- Medora
- Mercer
- Milnor
- Minnewaukan
- Minto
- Mohall
- Mooreton
- Mott
- Napoleon
- Neche
- New England
- New Leipzig
- New Rockford
- New Salem
- Noonan
- Northwood
- Oakes
- Oriska
- Oxbow
- Page
- Palermo
- Park River
- Parshall
- Pembina
- Petersburg
- Pick City
- Plaza
- Portal
- Portland
- Powers Lake
- Ray
- Reeder
- Regent
- Reynolds
- Rhame
- Richardton
- Riverdale
- Rolette
- Rolla
- Rugby
- Rutland
- Ryder
- Sanborn
- Sawyer
- Scranton
- Selfridge
- Sherwood
- Sheyenne
- South Heart
- St. John
- St. Thomas
- Stanley
- Stanton
- Steele
- Strasburg
- Streeter
- Surrey
- Taylor
- Thompson
- Tioga
- Tolna
- Tower City
- Towner
- Turtle Lake
- Underwood
- Upham
- Valley City
- Velva
- Wahpeton
- Walcott
- Walhalla
- Washburn
- Watford City
- Westhope
- Wildrose
- Willow City
- Wilton
- Wimbledon
- Wing
- Wishek
- Wyndmere
- Zap
What the data shows across North Dakota
Chlorine or chloramine
70 of 199 covered cities use chloramine in at least part of the system: Fargo, Bismarck, Grand Forks, Minot, West Fargo, Williston and 64 more. Most cheap shower filters barely affect chloramine; look for vitamin C or catalytic carbon media.
Shower filters that handle chloramineHardness
3 of 3 cities with a hardness reading have hard or very hard water. Readings run from 7.4 grains per gallon in Williston (hard) to 9.0 in Mandan (hard).
Softener or filter?Lead
21 cities' utilities reported a 90th-percentile lead result of 5 ppb or more: Grand Forks, Minot, Dickinson, Jamestown, Watford City, Grafton and 15 more. Lead comes from service lines and plumbing, so a home test is the reading that counts.
PFAS
EPA's nationwide sampling found no PFAS above the 2024 limits in the water serving covered North Dakota cities.