South Treatment Plant Tour

Join us on a walking tour of South Treatment Plant! We will meet in the administration classroom for a short intro, then don safety gear and walk around the treatment facility. Families are welcome, all participants need to be 9 and up. There is a half mile of walking and some stairs. The tour is intended for a general audience, please contact the organizer for technical tours. Tour can be made wheelchair accessible upon request.

Registration is required. Please see registration email for facility directions and access information.

2026 Tour Dates: February 7th, April 4th, June 13th, September 12th. Registration will open one month before each program. Please contact Charity Villines for group registration [email protected]

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Host or Publisher King County Wastewater Treatment Division