Francis Street Outfall Stormwater Treatment Project

Project Overview

Project goals include the following:

• Increase the capacity of the existing Francis Street stormwater outfalls to convey the anticipated 100-year storm.
• Install stormwater treatment vaults at the outfalls to meet Department of Ecology (Ecology) requirements. Constituents to be reduced by treatment include fecal coliform, suspended solids, dissolved copper, dissolved zinc, and total phosphorus.

Project Status

The project was advertised for bid on March 6, 2025 and 6 bids were received on March 27, 2025. A construction contract was awarded to the low bidder, Northwest Cascade in the amount of $1,366,366. Public meetings are not currently planned.  

Project Location

Graphic 1. Project Location Map

Funding

Project design was initially funded by the stormwater utility fund. An application for Ecology grant funding for construction was submitted in October 2023. The grant was awarded and funding became available in July 2024.  

Schedule

• Construction initiated – May 30, 2025
• Construction complete – October 2025 (anticipated)