North Mercer Island/Enatai sewer upgrade
May 23, 2018
Thank you to all the people who stopped by and talked with the project team on Bike Everywhere Day (May 18)! Please read the attached summary to learn more.
May 15, 2018
A SEPA Determination of Nonsignificance (DNS) is being issued on May 15, 2018 by the King County Wastewater Treatment Division for the North Mercer/Enatai Interceptor Inspection. View document and provide comments by June 1, 2018.
A SEPA determination for the entire project will be issued later this year.
Sign up for email or text updates
To sign up for text alerts, text KING MERCERSEWER to 468-311 for Mercer Island, and KING ENATAISEWER to 468-311 for Enatai. To sign up for email updates, please visit the public involvement page.
With over 400 miles of pipes moving wastewater to one of our award-winning treatment plants, King County WTD works hard to maintain our system. We inspect and monitor our regional system and update plans for needed upgrades.
King County WTD needs to replace sewer pipes that serve areas in North Mercer Island, the southwest portion of Bellevue near Enatai Beach, and the Town of Beaux Arts Village . This pipeline carries wastewater from the North Mercer Island Pump Station to the Sweyolocken Pump Station in Bellevue.
View larger version. July 2017
Project design will begin in 2016. Construction is expected to begin in 2019 and extend until 2022.