Heavy rains lead to manhole overflow of wastewater in Bothell

Crews with King County’s clean-water utility responded on Dec. 24 to a wastewater overflow from a manhole on the North Creek Interceptor, a major regional sewer line in service since 1970.

The following is a release from King County:

Crews with King County’s clean-water utility responded on Dec. 24 to a wastewater overflow from a manhole on the North Creek Interceptor, a major regional sewer line in service since 1970.

Heavy overnight rain caused high flow volumes in the pipeline, which carries wastewater from homes and businesses in the Bothell area to the Brightwater Plant for treatment. The overflow occurred near the intersection of 208th Street Southeast and 14th Drive Southeast in Bothell.

King County reported the overflow to health and regulatory agencies, and employees with the County’s environmental laboratory sampled and monitored water quality in the wetland as well as nearby North Creek during the weekend.

Construction is underway on a project to upgrade the pipeline, increase system reliability and add new capacity to support the growing community. Completion is expected in fall 2016.

King County’s North Creek Interceptor Project entails construction of approximately 10,000 feet of new sewer line. The project team is currently working closely with project neighbors to keep people informed about construction-related activities and schedules.

Detailed information about the project is available online at www.kingcounty.gov/NCI.