This project will retrofit catch basins/curb inlets along both sides of NE Highway 99 between NE 78th Street and NW 86th Street by installing storm filter cartridges to provide water quality treatment. This project will also retrofit catch basins/curb inlets along both sides of NE Highway 99 from around Hazel Dell Plaza to around NW 102nd Street (minus 99th Street) by installing storm filter cartridges to provide water quality treatment.
Addendum 1 - Issued Thursday, May 28, 2026
Addendum 2 - Issued Monday, June 8, 2026