Prosser Creek Reservoir continues to improve post-spawn and is producing a steady mixed bag of trout and bass. Shore anglers near Alder Creek Cove and the dam are finding success with PowerBait, worms, and salmon eggs—especially during early and late light. Fly anglers are doing well with zebra midges and small nymphs under indicators. Bass are beginning to move into the shallows. Surface temps are in the high 50s°F. Prosser Creek Reservoir’s current water level is around 96% capacity.