Water Hardness in Massachusetts

14 counties — Average 44 PPM (Soft)

Soft (71.4%) Moderate (28.6%) Hard (0.0%) Very Hard (0.0%)

Massachusetts Water Hardness Map

Soft Moderate Hard Very Hard

Massachusetts

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All 14 Counties — By Water Hardness

County	Classification	Hardness
Barnstable	Soft	22 PPM
Berkshire	Moderate	120 PPM
Bristol	Soft	28.3 PPM
Dukes	Soft	18.5 PPM
Essex	Moderate	84.8 PPM
Franklin	Soft	14.8 PPM
Hampden	Soft	39 PPM
Hampshire	Soft	11 PPM
Middlesex	Moderate	64 PPM
Nantucket	Soft	28 PPM
Norfolk	Soft	45 PPM
Plymouth	Soft	24 PPM
Suffolk	Moderate	76 PPM
Worcester	Soft	40.7 PPM

Source: USGS Water Quality Portal

Frequently Asked Questions

How hard is the water in Massachusetts?

Massachusetts has an average water hardness of 44 PPM, classified as soft. Out of 14 counties, 10 have soft water, 4 moderately hard, 0 hard, and 0 very hard.

Which Massachusetts 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 Massachusetts address?

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