Water Hardness in Alaska Cities

Water Hardness in Alaska Cities

Water hardness in Alaska, defined by the concentration of dissolved minerals like calcium and magnesium, varies across the state, though it tends to be on the lower end of the scale compared to other regions. Alaska’s geological features, such as its volcanic and glacial formations, play a key role in the lower mineral content found in much of its water supply.

In Alaska, water is generally classified as soft to moderately hard. Glacial meltwater, which supplies much of the state, has very low mineral content. However, areas with sedimentary or volcanic rock formations, particularly in parts of the interior or regions with significant mining activity, may have slightly harder water.

This variation in water hardness impacts the performance of soaps and detergents, as well as the maintenance of plumbing systems and the lifespan of water-using appliances. While water hardness in Alaska is generally lower, monitoring water quality and implementing localized treatment solutions remain important for ensuring water meets household needs.

In the provided data, the water hardness levels show substantial variations across different cities in Alaska. Among the cities for which data is reported, the highest water hardness levels are recorded in Palmer and Anaktuvuk Pass, with hardness levels of 180 ppm (10.5 gpg) and 160 ppm (9.3 gpg), respectively.

City Hardness ppm (mg/L) Hardness gpg Information Source Notes
Anchorage 108.0 6.3 Link
Fairbanks 142.0 8.3 Link
Juneau n/a n/a Link
Wasilla n/a n/a Link
Sitka n/a n/a Link
Ketchikan n/a n/a Link
Kenai n/a n/a Link
Palmer 180.0 10.5 Link
Bethel n/a n/a Link
Homer n/a n/a Link
Kodiak n/a n/a Link
Utqiagvik n/a n/a Link Don’t have a public water department
Soldotna n/a n/a Link
Unalaska n/a n/a Link
Valdez n/a n/a Link
Nome n/a n/a Link Use mostly wellwater, don’t have CCR or quality monitoring, but it is under development per the risk assessment report
Kotzebue n/a n/a Link Says they test for hardness, but don’t provide ppm/gpg
Seward n/a n/a Link
Cordova n/a n/a Link
North Pole n/a n/a Link
Houston n/a n/a Link Don’t appear to have a public water utility
Dillingham n/a n/a Link
Wrangell n/a n/a Link
Akutan n/a n/a Link Was only able to find a source water assessment.
Hooper Bay 65.8 3.8 Link
Craig n/a n/a Link
Delta Junction n/a n/a Link
Hoonah n/a n/a Link
Chevak n/a n/a Link
Savoonga n/a n/a Link Alkalinity only
Emmonak n/a n/a Link
Kwethluk n/a n/a Link Alkalinity only
Point Hope 1.0 0.1 Link
Togiak n/a n/a Link
King Cove n/a n/a Link
Selawik n/a n/a Link Alkalinity only
Quinhagak n/a n/a Link Alkalinity only
Unalakleet n/a n/a Link
Alakanuk n/a n/a Link Alkalinity only
Klawock n/a n/a Link
Noorvik n/a n/a Link Alkalinity only
Toksook Bay n/a n/a Link Alkalinity only
Kotlik n/a n/a Link
Gambell n/a n/a Link Alkalinity only
Gustavus n/a n/a Link
Stebbins n/a n/a Link
Sand Point n/a n/a Link
Mountain Village n/a n/a Link
Pilot Station n/a n/a Link
Kachemak 80.1 4.7 Link
Wainwright 0.6 0.0 Link
Nunapitchuk n/a n/a Link
Scammon Bay n/a n/a Link
St. Mary’s n/a n/a Link Nothing turned up searching the Alaska Water Systems website, nor does St. Mary’s have a website
Shishmaref n/a n/a Link
Kake n/a n/a Link
Buckland n/a n/a Link
Aniak n/a n/a Link
Napaskiak n/a n/a Link Alkalinity only
New Stuyahok n/a n/a Link
Chefornak n/a n/a Link Alkalinity only
Nuiqsut 1.1 0.1 Link
Marshall n/a n/a Link
Thorne Bay n/a n/a Link
Manokotak n/a n/a Link
Galena n/a n/a Link Alkalinity only
Akiak n/a n/a Link
St. Michael n/a n/a Link Alkalinity only
Kiana n/a n/a Link
Kivalina n/a n/a Link
Brevig Mission n/a n/a Link Alkalinity only
Fort Yukon n/a n/a Link Doesn’t have any sample results online
Russian Mission n/a n/a Link Alkalinity only
Anaktuvuk Pass 160.0 9.3 Link
False Pass n/a n/a Link
St. Paul n/a n/a Link
Eek n/a n/a Link Alkalinity only
Saxman n/a n/a Link
Hydaburg n/a n/a Link
Elim n/a n/a Link Alkalinity only
Napakiak n/a n/a Link
Nenana n/a n/a Link Alkalinity only
Angoon n/a n/a Link
Koyuk n/a n/a Link
Huslia n/a n/a Link Alkalinity only
Nightmute n/a n/a Link
McGrath n/a n/a Link
Kaktovik 25.0 1.5 Link
Lower Kalskag n/a n/a Link Alkalinity only
Whittier n/a n/a Link
Atqasuk 3.5 0.2 Link
Ambler n/a n/a Link
Shungnak n/a n/a Link
Goodnews Bay n/a n/a Link Alkalinity only
Seldovia n/a n/a Link
Teller n/a n/a Link Alkalinity only
Tanana 5.6 0.3 Link
Nulato n/a n/a Link
Nunam Iqua n/a n/a Link
Upper Kalskag n/a n/a Link
Top 100 Alaska cities by population and their reported water hardness
ppm = Parts Per Million
mg/L = Milligrams Per Liter
gpg = Grains Per Gallon

Hard water can cause issues such as mineral buildup in plumbing and appliances, reduce the efficacy of soaps and detergents, and affect the taste of the water. A tried and true solution is the use of a water softener. A water softener, like the ones from DROP, could be a worthwhile investment.

These devices work by replacing the calcium and magnesium ions that cause hardness with sodium ions, resulting in softer water. With innovative features, easy installation, and efficient operation, DROP smart water softeners provide a solution to hard water issues, extending the lifespan of appliances, improving water taste, enhancing soap effectiveness, reducing scale build-up, and increasing the overall water efficiency in your home.

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