title
AN ORDINANCE authorizing the condemnation of property interests needed for the replacement of the North Creek sewer interceptor, and interim measures for controlling the interceptor's current capacity needs.
body
BE IT ORDAINED BY THE COUNCIL OF KING COUNTY:
SECTION 1. Findings:
A. The existing North Creek sewer interceptor ("the interceptor") located in Snohomish County was built in 1970 by the Alderwood water and wastewater district ("Alderwood") and purchased by King County in 2001. The interceptor consists of approximately thirty-four thousand nine hundred thirty-four lineal feet of sewer line that services southern Snohomish county.
B. The wastewater treatment division ("WTD") of the department of natural resources and parks must construct a replacement of the interceptor and implement certain interim measures to avoid exceeding capacity in the existing interceptor and prevent overflows. The interceptor project is needed in order to accommodate the projected peak flows and meet the planned growth needs of southern Snohomish county and to protect water quality.
C. King County Conveyance System Policy CP-1, K.C.C 28.86.060, directs the county to design and construct wastewater conveyance facilities to meet the twenty-year peak flow standard to avoid sanitary sewer overflows. The interceptor project will meet the twenty-year peak flows standard for 2050, accommodating planned growth in southern Snohomish county and will be an important part of the King County regional wastewater treatment system.
D. In February 2005, WTD and Alderwood agreed to share costs on a project that would replace portions of the interceptor and Alderwood's local conveyance system. The project experienced significant impacts, due in part to site and ground conditions, and the construction contract was terminated in 2009. WTD and Alderwood also agreed to pursue separate construction projects to make the necessary improvements to the sewer system. Since that t...

Click here for full text