Willamette, McKenzie & Santiam Rivers Fishing Report for April 10th Posted on April 9, 2015 by Michael Teague Willamette Valley Fishing Report – Very little change is in the forecast for water level and flow at Willamette Falls in Oregon City, even with rain in the forecast. Flows have been gently moderating over... 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.