Water hardness in North Dakota

Typical North Dakota tap water
133mg/L
7.8gpg
Hard

Population-weighted middle value across 9 North Dakota cities in the dataset

People with hard or very hard water
66%
Hardest
West Fargo 392
Softest
Fargo 79

We have hardness numbers for 6 North Dakota cities; 4 of them are county estimates rather than utility figures. Each city page adds the water system's EPA violation record and a softener size for a typical household.

Every North Dakota city on the hardness scale
SoftModerately hardHardVery hard060120180240300360+Fargo: 79 mg/LBismarck: 133 mg/LGrand Forks: 390 mg/LWest Fargo: 392 mg/LDickinson: 320 mg/LMandan: 337 mg/LFargoBismarckGrand ForksDickinsonSoftMod.HardVery hard060120180240300360+Fargo: 79 mg/LBismarck: 133 mg/LGrand Forks: 390 mg/LWest Fargo: 392 mg/LDickinson: 320 mg/LMandan: 337 mg/LFargoBismarckGrand Forks

Dot size follows population. Tap a dot for the city page.

0Soft
1Moderately hard
1Hard
4Very hard

All cities in North Dakota

Citymg/LgpgClassDataEPA health violations
Fargo794.6Moderately hardCalculated from utility data2
Bismarck1337.8HardCalculated from utility data0
Grand Forks39022.8Very hardCounty estimate0
West Fargo39222.9Very hardCounty estimate0
Dickinson32018.7Very hardCounty estimate0
Mandan33719.7Very hardCounty estimate0

Questions

Is North Dakota water hard?

The typical North Dakota resident gets about 133 mg/L (7.8 gpg), which is hard. About 66% of people in the cities we track have hard or very hard water.

Which city in North Dakota has the hardest water?

Among 6 cities with pages here, West Fargo is highest at 392 mg/L.

Which city in North Dakota has the softest water?

Fargo, at 79 mg/L.

Other states

Hardness data: TapWaterData US Water Hardness, CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.