Upper Willamette System Fishing Report and Forecast Posted on August 19, 2021August 19, 2021 by Glenn Zinkus Bass Opportunities on Dexter Reservoir! Detroit Kokanee Still Good. Special Note For Willamette Zone: ODFW... This post is only available to Members. If you are a Member, please be sure to log in and remember to select the Remember Me option. If you want to become a member or find out more, take a look here.