Project Number: 2018052
Status: Design
Construction Start Date: Estimated summer 2026
Construction Completion Date: Estimated fall/winter 2026
This project will install a subsurface stormwater treatment and infiltration facility for stormwater generated on an approximately 8-acre section of Interstate 90 (I-90). The project will have a lift station, below grade modular wetland system, and infiltration gallery that will treat and infiltrate stormwater runoff.
Improve Water Quality: Reduce risk of an overflow event at the combined sewer overflow (CSO) 34 via stormwater separation of mainline I-90.
Construction Estimate: $5.9 million
For questions or concerns regarding the construction work or the construction schedule, please contact the contractor’s public representative.
Contractor Public Representative
City Construction Relations Manager
Annie Deasy, 509.625.6102
City Project Manager – Design Phase
Kristy Warren, 509.625.6548
City Project Manager – Construction Phase
In Spokane
We All Belong
