Our Members


Bellevue is the fifth largest city in Washington, with a population of over 150,200. It is the Eastside’s high-tech and retail center.


This one-time logging and mining village has become the northwest destination for living, working, playing and doing business in the 21st Century. Issaquah serves a population of 32,600.


Kirkland is a place of history, nature and metro ‘lifestyling’ in which to live, work, visit and play. Serving over 61,300.


Redmond is known for its natural beauty, 34 parks, over 25 miles of trails and first-class places to shop or stay and dine. Serving a population of 76,000.

Sammamish Plateau Water

Serving more than 64,800 residents in Sammamish, Issaquah, and areas of unincorporated King County for over 70 years.

Skyway Water & Sewer District

Located in the West Hill area of unincorporated King County, Skyway serves water to about 11,100 residents and sewer to 18,100.


Tukwila’s central location at the crossroads of Interstate 5 and 405 makes it an ideal site for commerce. Serving a population of over 9,400.

Map shows Cascade’s service area.

Board Members