6185 4TH AVE S

Dec. 24, 2015: Council Land Use Action to allow a new sewage treatment facility (King County Wastewater Treatment Division/Georgetown Wet Weather Treatment Station). The project includes installation of new conveyance piping, pump station, holding tanks, related buildings and equipment. Project includes grading of over 5,000 cu. yds. of material, remediation of over 1,000 cu. yds. of contaminated soil and removal of 3 underground storage tanks. All existing structures to be demolished (six buildings). Outfall facility at 6501 1st Ave S reviewed under project 3022084. Determination of Non-Significance issued by King County.

March 28, 2023: Completed.

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