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The Simplest Way to Quality Water for a Better Life!

About us

Cascadian water softeners and filters are manufactured by O3 Water Systems.

Based in Cle Elum, WA., O3 Water Systems is a privately-owned and operated company that designs and manufactures water treatment systems. Most importantly, O3 Water Systems is focused on making people happy by solving their water quality problems with simple and effective products. Our customers can spend their time and money on what makes them happy instead of dealing with poor water quality and conventional treatment systems.

Markets served include residential, small business and commercial segments.

Established in 1994, the company develops and manufactures original water treatment solutions under the names Cascadian®, Integrated Cartridge Solutions™, PolyHalt®, Ion Bond™, and Next Generation Water Treatment™.