Water Hardness in Maine

16 counties — Average 24.5 PPM (Soft)

16
Soft (100.0%) Moderate (0.0%) Hard (0.0%) Very Hard (0.0%)

Maine Water Hardness Map

Soft   Moderate   Hard   Very Hard

Maine

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All 16 Counties — By Water Hardness

CountyClassificationHardness
Androscoggin Soft 22 PPM
Aroostook Soft 44 PPM
Cumberland Soft 17.6 PPM
Franklin Soft 29.2 PPM
Hancock Soft 12.1 PPM
Kennebec Soft 20.2 PPM
Knox Soft 39 PPM
Lincoln Soft 26 PPM
Oxford Soft 6.1 PPM
Penobscot Soft 19 PPM
Piscataquis Soft 12.9 PPM
Sagadahoc Soft 15 PPM
Somerset Soft 15 PPM
Waldo Soft 50 PPM
Washington Soft 11 PPM
York Soft 53 PPM

Source: USGS Water Quality Portal

Frequently Asked Questions

How hard is the water in Maine?

Maine has an average water hardness of 24.5 PPM, classified as soft. Out of 16 counties, 16 have soft water, 0 moderately hard, 0 hard, and 0 very hard.

Which Maine counties have the hardest water?

See the county table above for a complete breakdown by hardness level.

How do I check water hardness for my Maine address?

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