Drainage Improvements near 2801 91st St SE

Description - Completed 2019

This project Installed an infiltration chamber beneath the shoulder on the north side of the road to capture and infiltrate runoff into the ground to reduce flooding. It also Installed a catch basin with storm filter cartridges on each end of the infiltration chamber for water quality treatment prior to infiltration. 


Construction was completed in 2019 by Snohomish County Road Maintenance crew.


This project was identified through the Surface Water Management drainage complaint and investigation program and funded by Surface Water Management UGA revenues.