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About Us

History

Northwest Water Treatment, Inc. is a family owned, father/son business founded by Glenn Karn in 1996. Glenn’s son, Derrick Karn, does water system installation and service. Glenn has worked in water treatment industry in 1973 specializing in water testing and analysis, water system design, manufacturing, installation, service, and warranty service. His specialties included designing systems for residential water conditioning, commercial/industrial softening and filtration, ultra-pure water systems for computer chip manufacturing companies, medical water treatment systems for kidney dialysis, and municipal iron/manganese removal systems.

Expertise

All types of well water treatment and solving difficult water quality problems including:

Service Area

Home owners and small communities using well-water, and commercial, industrial, and aquaculture companies in Washington, Idaho, Oregon, and Alaska. We have over 500 water system installations.

Memberships

  • American Water Quality Association
  • Rural Water Association
  • Evergreen Rural Water Association

Licensing

Contact us to speak with a water quality specialist if you are interested in improving water quality at your home, community, business, or aquaculture company.

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Northwest Water Treatment, Inc.
12627 SE 223rd Dr, Kent, WA 98031
Phone: (253) 630-7177 or (800) 377-7401 E-mail:

© Copyright 2011 - , Northwest Water Treatment, Inc. - All rights reserved.
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Service Areas
Residential: western Washington including
Auburn, Bellevue, Black Diamond, Bonney Lake, Buckley, Burien, Carnation, Covington, Duvall,
Eatonville, Enumclaw, Fall City, Federal Way, Fife, Gig Harbor, Graham, Issaquah, Kent, Lake Tapps,
Maple Valley, Mercer Island, North Bend, Olympia, Orting, Puyallup, Redmond, Renton, Roy,
Sammamish, Seattle, Snoqualmie, Spanaway, Sumner, Tacoma, Vashon, and Wilkeson

Communities: rural western Washington,
Willamette Valley, Oregon, greater Anchorage and southeast Alaska

Commercial and Industrial: western Washington including
Bellevue, Everett, Olympia, Seattle, and Tacoma

Aquaculture: United States and British Columbia (BC), Canada

 

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