Water Hardness in Michigan

83 counties — Average 190.5 PPM (Very Hard)

4
15
25
39
Soft (4.8%) Moderate (18.1%) Hard (30.1%) Very Hard (47.0%)

Michigan Water Hardness Map

Soft   Moderate   Hard   Very Hard

Hardest Water Counties

Allegan250 PPM
Arenac210 PPM
Barry200 PPM
Bay240 PPM
Berrien260 PPM
Branch270 PPM
Calhoun270 PPM
Cass220 PPM
Clinton300 PPM
Eaton322 PPM
Genesee220 PPM
Gladwin200 PPM
+27 more
Michigan

Check Your ZIP Code

All 83 Counties — By Water Hardness

CountyClassificationHardness
Alcona Moderate 120 PPM
Alger Moderate 93 PPM
Allegan Very Hard 250 PPM
Alpena Hard 180 PPM
Antrim Hard 170 PPM
Arenac Very Hard 210 PPM
Baraga Soft 50 PPM
Barry Very Hard 200 PPM
Bay Very Hard 240 PPM
Benzie Hard 150 PPM
Berrien Very Hard 260 PPM
Branch Very Hard 270 PPM
Calhoun Very Hard 270 PPM
Cass Very Hard 220 PPM
Charlevoix Hard 150 PPM
Cheboygan Hard 160 PPM
Chippewa Soft 48 PPM
Clare Moderate 120 PPM
Clinton Very Hard 300 PPM
Crawford Hard 150 PPM
Delta Hard 130 PPM
Dickinson Soft 53 PPM
Eaton Very Hard 322 PPM
Emmet Hard 170 PPM
Genesee Very Hard 220 PPM
Gladwin Very Hard 200 PPM
Gogebic Soft 47.5 PPM
Grand Traverse Hard 160 PPM
Gratiot Very Hard 352 PPM
Hillsdale Very Hard 280 PPM
Houghton Moderate 67 PPM
Huron Very Hard 350 PPM
Ingham Very Hard 324 PPM
Ionia Very Hard 290 PPM
Iosco Hard 150 PPM
Iron Moderate 72.5 PPM
Isabella Very Hard 344.5 PPM
Jackson Very Hard 260 PPM
Kalamazoo Very Hard 260 PPM
Kalkaska Moderate 105 PPM
Kent Very Hard 240 PPM
Keweenaw Moderate 67 PPM
Lake Hard 160 PPM
Lapeer Very Hard 286 PPM
Leelanau Hard 160 PPM
Lenawee Very Hard 320 PPM
Livingston Very Hard 277 PPM
Luce Moderate 71.6 PPM
Mackinac Moderate 100 PPM
Macomb Very Hard 265.5 PPM
Manistee Hard 164 PPM
Marquette Moderate 60.1 PPM
Mason Hard 160 PPM
Mecosta Hard 140 PPM
Menominee Very Hard 220 PPM
Midland Very Hard 248 PPM
Missaukee Hard 132 PPM
Monroe Very Hard 318 PPM
Montcalm Hard 170 PPM
Montmorency Very Hard 190 PPM
Muskegon Hard 160 PPM
Newaygo Hard 160 PPM
Oakland Very Hard 270 PPM
Oceana Hard 160 PPM
Ogemaw Hard 160 PPM
Ontonagon Moderate 65 PPM
Osceola Hard 160 PPM
Oscoda Very Hard 186 PPM
Otsego Very Hard 190 PPM
Ottawa Very Hard 260 PPM
Presque Isle Hard 145 PPM
Roscommon Moderate 120 PPM
Saginaw Very Hard 260 PPM
Sanilac Very Hard 340 PPM
Schoolcraft Moderate 91 PPM
Shiawassee Very Hard 295 PPM
St. Clair Moderate 100 PPM
St. Joseph Very Hard 250 PPM
Tuscola Very Hard 230 PPM
Van Buren Hard 150 PPM
Washtenaw Very Hard 280 PPM
Wayne Moderate 110 PPM
Wexford Hard 150 PPM

Source: USGS Water Quality Portal

Frequently Asked Questions

How hard is the water in Michigan?

Michigan has an average water hardness of 190.5 PPM, classified as very hard. Out of 83 counties, 4 have soft water, 15 moderately hard, 25 hard, and 39 very hard.

Which Michigan counties have the hardest water?

Michigan has 39 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 Michigan address?

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