Cascade Water Alliance
520 112th AVE NE
#400
Bellevue, WA 98004
(425) 453-0930
Cascade Water Alliance is a municipal corporation comprised of seven Municipalities (five cities and two water and sewer districts) in the Puget Sound region that joined together in 1999 to provide a safe, clean, reliable water supply for the next 50 years and beyond. Collectively, the membership of Cascade serves over 350,000 residents and 20,000 businesses. Membership is open to any public water utility within the region.