GSI Construction Resources

Seattle Public Utilities provides contractors with resources to help them properly construct Green Stormwater Infrastructure (GSI). This includes detailed information about required GSI Construction Inspections and about Bioretention Soil Suppliers.

Learn more about Green Stormwater Infrastructure at Seattle Public Utilities.

Public Utilities

Andrew Lee, General Manager and CEO
Address: 700 5th Avenue, Suite 4900, Seattle, WA, 98104
Mailing Address: PO Box 34018, Seattle, WA, 98124-5177
Phone: (206) 684-3000
SPUCustomerService@seattle.gov

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Seattle Public Utilities (SPU) is comprised of three major direct-service providing utilities: the Water Utility, the Drainage and Wastewater Utility, and the Solid Waste Utility.