Water Hardness in Alaska

31 counties — Average 59.4 PPM (Soft)

14
15
2
Soft (45.2%) Moderate (48.4%) Hard (6.5%) Very Hard (0.0%)

Alaska Water Hardness Map

Soft   Moderate   Hard   Very Hard

Alaska

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All 31 Counties — By Water Hardness

CountyClassificationHardness
Aleutians East Soft 10 PPM
Aleutians West Soft 30.5 PPM
Anchorage Moderate 78 PPM
Bethel Moderate 93 PPM
Bristol Bay Soft 37.5 PPM
Chugach Moderate 61.4 PPM
Copper River Moderate 61.4 PPM
Denali Hard 130 PPM
Dillingham Soft 23 PPM
Fairbanks North Star Hard 140 PPM
Haines Moderate 73 PPM
Hoonah-Angoon Moderate 61.4 PPM
Juneau City and Soft 36 PPM
Kenai Peninsula Soft 34 PPM
Ketchikan Gateway Soft 9 PPM
Ketchikan Gateway Borough Moderate 61.4 PPM
Kodiak Island Soft 20 PPM
Kusilvak Moderate 61.4 PPM
Lake and Peninsula Soft 32.5 PPM
Matanuska-Susitna Moderate 68 PPM
Nome Moderate 97 PPM
North Slope Moderate 77 PPM
Northwest Arctic Moderate 91 PPM
Petersburg Soft 6 PPM
Prince of Wales-Hyder Soft 18 PPM
Sitka City and Soft 18 PPM
Skagway Soft 23.8 PPM
Southeast Fairbanks Moderate 110 PPM
Wrangell City and Soft 51 PPM
Yakutat City and Moderate 119 PPM
Yukon-Koyukuk Moderate 110 PPM

Source: USGS Water Quality Portal

Frequently Asked Questions

How hard is the water in Alaska?

Alaska has an average water hardness of 59.4 PPM, classified as soft. Out of 31 counties, 14 have soft water, 15 moderately hard, 2 hard, and 0 very hard.

Which Alaska 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 Alaska address?

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