Water Hardness in North Dakota

53 counties — Average 324.9 PPM (Very Hard)

1
52
Soft (0.0%) Moderate (1.9%) Hard (0.0%) Very Hard (98.1%)

North Dakota Water Hardness Map

Soft   Moderate   Hard   Very Hard

Hardest Water Counties

Adams390 PPM
Barnes342 PPM
Benson355.5 PPM
Billings230 PPM
Bottineau324 PPM
Bowman239 PPM
Burke240 PPM
Burleigh281.5 PPM
Cass290 PPM
Cavalier250 PPM
Dickey336 PPM
Divide410 PPM
+40 more
North Dakota

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All 53 Counties — By Water Hardness

CountyClassificationHardness
Adams Very Hard 390 PPM
Barnes Very Hard 342 PPM
Benson Very Hard 355.5 PPM
Billings Very Hard 230 PPM
Bottineau Very Hard 324 PPM
Bowman Very Hard 239 PPM
Burke Very Hard 240 PPM
Burleigh Very Hard 281.5 PPM
Cass Very Hard 290 PPM
Cavalier Very Hard 250 PPM
Dickey Very Hard 336 PPM
Divide Very Hard 410 PPM
Dunn Very Hard 220 PPM
Eddy Very Hard 260 PPM
Emmons Very Hard 300 PPM
Foster Very Hard 296 PPM
Golden Valley Very Hard 439 PPM
Grand Forks Very Hard 320 PPM
Grant Very Hard 339 PPM
Griggs Very Hard 320 PPM
Hettinger Very Hard 370 PPM
Kidder Very Hard 290 PPM
LaMoure Very Hard 300 PPM
Logan Very Hard 330 PPM
McHenry Very Hard 330 PPM
McIntosh Very Hard 400 PPM
McKenzie Very Hard 219 PPM
McLean Very Hard 252 PPM
Mercer Very Hard 240 PPM
Morton Very Hard 280 PPM
Mountrail Very Hard 280 PPM
Nelson Very Hard 659.5 PPM
Oliver Very Hard 310 PPM
Pembina Very Hard 307 PPM
Pierce Very Hard 278 PPM
Ramsey Very Hard 489 PPM
Ransom Very Hard 300.5 PPM
Renville Very Hard 320 PPM
Richland Very Hard 354.5 PPM
Rolette Very Hard 369 PPM
Sargent Very Hard 380 PPM
Sheridan Very Hard 310 PPM
Sioux Moderate 119 PPM
Slope Very Hard 244 PPM
Stark Very Hard 287 PPM
Steele Very Hard 520 PPM
Stutsman Very Hard 280 PPM
Towner Very Hard 460.5 PPM
Traill Very Hard 430 PPM
Walsh Very Hard 360 PPM
Ward Very Hard 330 PPM
Wells Very Hard 260 PPM
Williams Very Hard 378 PPM

Source: USGS Water Quality Portal

Frequently Asked Questions

How hard is the water in North Dakota?

North Dakota has an average water hardness of 324.9 PPM, classified as very hard. Out of 53 counties, 0 have soft water, 1 moderately hard, 0 hard, and 52 very hard.

Which North Dakota counties have the hardest water?

North Dakota has 52 counties with very hard water (above 180 mg/L). See the county table above for a complete breakdown by hardness level.

How do I check water hardness for my North Dakota address?

Enter your ZIP code in the search box above to see your area's estimated water hardness, classification, and water utility information.