Welcome to the O3 Water Systems Web Site:

Founded in 1994 in Snohomish WA. O3 Water Systems, Inc. is now located in Cle Elum WA. where our facility serves as our manufacturing, warehousing and training center. With satisfied customers, excellent products and great customer service O3 Water Systems has grown steadily while remaining focused on water treatment and filtration solutions.

O3 Water Systems manufactures CASCADIAN® pre-engineered residential and light commercial water treatment systems, larger commercial and industrial water treatment systems and is a wholesale distributor of water treatment and filtration products always providing the very best solutions available.

This site focuses on our Commercial, Industrial and Community water treatment solutions. For our residential and light commercial water treatment systems please visit www.cascadianwater.com


Solutions for any Commercial or Industrial Water Quality Problem:

O3 Water Systems offers a full portfolio of products and services to address ensure any water problem. Whether you’re a consulting specifying engineer, facility manager or a business owner, we can design a treatment program that fits your needs.

Treating your water means greater efficiency and savings. With quality water treatment products and services designed for your needs you will reduce labor costs, increase equipment life span, and lower operating, maintenance, and repair costs for years to come.

Since 1994, O3 Water Systems provided quality commercial and industrial water and has become the most recognized name in the Northwest water treatment industry.

We serve many industries as a full service provider of water treatment solutions. They include manufacturing, new construction, food and beverage service, grocery, hospitality, education, healthcare, assisted living, car washes, government, laundries, beauty salons/spas, etc. around the Northwest.

Whether you need a treatment solution for a single problem or a complex set of problems there is a water treatment or fluid filtration solution to provide you with the water quality you expect and deserve. Whether you need parts and supplies for an existing system or solution designed specifically for your needs we are here for you.


Solutions for Industrial and Commercial Process Filtration:

We have a broad range of filtration and conditioning equipment and technologies, from high purity cartridges to high flow backwashing systems, from ultrafiltration to bag filters we will provide the best solution available to fit your needs.

Contact us today and find out how we can help.