2022 Districts/Municipalities & Vendors in attendance:

Vendors

Bainbridge Associates, Inc.
Cues
Duke's Root Control, Inc.
Gordon G. T. & Associates, Inc.
Info Sense
Pump Tech
RapidView IBAK
RootX
Seattle Pump & Equipment
Smart Cover Systems
SWS Equipment
Syrinix
Whitney Equipment

Municipalities

City of Auburn
City of Battle Ground
City of Bellingham
City of Bonney Lake
City of Centralia
City of Clark Regional Water & Wastewater District
City of Enumclaw
City of Kirkland
City of Lacey
City of Mercer Island
Lake Stevens Sewer Dist.
City of Olympia
Pierce County
City of Puyallup
City of Redmond
City of Seattle
City of Snohomish
City of Spokane
City of Tacoma
City of Tukwila
City of Walla Walla
City of Woodland City of Yakima
Northshore Utility Dist.
City of Redmond
City of Centralia
Southwest Suburban Sewer Dist.
Executive Administrator 811

WWCPA 56th Annual Sewer Maintenance School May 21st - 22nd, 2025

Lodging & conference location: The Centennial

(509) 326-8000

303 W North River Dr.

Spokane, Wa, 99201

Click here to book your room. Discounted accommodations available prior to April 18th.

2025 Sewer Maintenance School Program - Coming Soon

School Registration Form

Vendor Registration Form

School Registration Fees (Per person/Attendee or vendor.)

Option 1: $400.00 - 2 day pre-registration

Option 2: $300.00 - 1 day pre-registration

Option 3:$450.00 2 day late registration (May 1st-14th)

Option 4:$350.001 day late registration(May 1st-14th)