Retrofitting a Regional Stormwater Facility

by Richard L. Schaefer, Brown and Caldwell Consulting, Engineers, United States,
Paul A. Bucich, Brown and Caldwell Consulting, Engineers, United States,

Document Type: Proceeding Paper

Part of: Water Resources Infrastructure: Needs, Economics, and Financing


The City of Tacoma, Washington, constructed a regional stormwater detention facility in the Leach Creek watershed in 1961 to permit development in the southwest corner of the City while controlling the rate of discharge into the stream. However, as the watershed urbanized, the ability of the detention facility to attenuate peak storm flows has been reduced. In 1984, the City and other tributary jurisdictions lost a lawsuit for erosion damages from excessive flows in a downstream reach of Leach Creek located in unincorporated Pierce County. The City is developing a project to enhance the performance of the regional facility in controlling releases to Leach Creek.

Subject Headings: Urban areas | Urban and regional development | Rivers and streams | Watersheds | Stormwater management | Municipal water | Rehabilitation | Washington | United States | Tacoma

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