Membership Listing

Alberta

• City of Calgary
• Edmonton-EPCOR Water Canada

Alaska

British Columbia

• City of Abbotsford
• City of Kelowna
• Metro Vancouver
• Regional District of Nanaimo

Idaho

• City of Boise
• City of Coeur d’Alene
• City of Nampa
• Hayden Area Regional Sewer Board

Montana

• City of Missoula

Oregon

• City of Albany
• City of Canby
• City of Eugene
• City of Gresham
• City of Lincoln City
• City of McMinnville
• City of Newport
• City of Pendleton
• City of Portland
• City of Woodburn
• Clean Water Services
• Pacific City Joint Water-San. Authority
• Roseburg Urban Sanitary Authority/CH
• Water Environment Services – Clackamas County

Washington

• Alderwood Water and Wastewater District
• Birch Bay Water & Sewer Dist.
• City of Bainbridge Island
• City of Bremerton
• City of Brewster
• City of Bridgeport
• City of Burlington
• City of Camas
• City of Castle Rock
• City of Centralia
• City of Clarkston
• City of Ellensburg
• City of Everett
• City of Everson
• City of Ferndale
• City of Gig Harbor
• City of Grandview
• City of Kalama
• City of Kennewick
• City of Leavenworth
• City of Lynden
• City of Mount Vernon
• City of Omak
• City of Raymond
• City of Richland
• City of Ritzville
• City of Sedro-Woolley
• City of Sequim
• City of Spokane 
• City of Sumner
• City of Tacoma
• City of Warden
• City of Washougal
• City of Yakima
• Clark Regional Wastewater District
• Douglas Co. Sewer Dist. #1
• Eastsound Sewer & Water Dist.
• Island Co.
• King Co. Dept. of Natural Resources & Parks
• Lakehaven Utility District
• Liberty Lake Sewer & Water Dist.
• LOTT Clean Water Alliance
• Olympic Water & Sewer Inc.
• Pierce County Planning and Public Works
• Spokane County Utilities
• Three Rivers Regional WWTP
• Thurston County
• Town of Granite Falls
• Town of La Conner
• West Sound Utility District