Drafter
Clerk 06/22/2016
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AN ORDINANCE relating to King County's long-term combined sewer overflow plan; approving a joint project agreement with the city of Seattle for the ship canal water quality project and authorizing the King County executive to sign and fulfill the county's obligations in the agreement.
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STATEMENT OF FACTS:
1. King County and the city of Seattle have entered into separate federal court-ordered consent decrees with the United States Environmental Protection Agency and the Washington state Department of Ecology requiring control of combined sewer overflows to the Lake Washington Ship Canal, Duwamish river and Elliott bay.
2. The 2012 combined sewer overflow long-term control plan, approved by Ordinance 17413 and incorporated into the consent decree, notes the potential for joint projects with the city.
3. The city of Seattle's Ballard and Fremont/Wallingford combined sewer overflow basins are located in close proximity to the county's 3rd Avenue West regulation and 11th Avenue Northwest regulation combined sewer overflow sites.
4. The coordination efforts of the county and the city have resulted in the proposed joint ship canal water quality project that will control four of the city's and two of the county's combined sewer overflow sites in the ship canal.
5. King County and Seattle agree that the joint ship canal water quality project is a preferred alternative over independently-constructed combined sewer overflow control projects by the county and the city.
6. The city of Seattle will serve as the lead agency for design and construction of the proposed ship canal water quality project, a 2.7-mile, approximately fourteen-foot diameter storage tunnel that will capture and temporarily hold more than fifteen-million gallons of stormwater mixed with sewage from seven combined sewer overflow sites during a storm event.
7. The county is seeking approval from the United States Environmental Protection Agency and the Washington...
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