A recent extra stocking of larger trout should make fishing for trout more productive. Bass anglers seem to be doing ok at the lake as well.

Beginning in 2016, Cooper has been stocked with coho and Chinook salmon juveniles. Just recently ODFW stocked over 28,000 coho juveniles in the reservoir in 2021. These are often mistaken for kokanee. Anglers may retain up to 5 salmon juveniles in the reservoir as part of their daily trout bag limit. Please remember to release salmon and trout less than 8 inches.