Montana Fish Report
Thief Valley Reservoir Updates
by OR Department of Fish & Wildlife Staff
8-4-2025
Website
Thief Valley Reservoir is expected to be drawn down completely by the end of August. Therefore, emergency regulations are in place that allow anglers to keep any and all rainbow trout and bass within the reservoir. More information can be found at this link.
Please note that Thief Valley Reservoir is under "precautionary" status for harmful algae blooms. Follow this link to see the Oregon Health Authorities website showing harmful algae bloom advisories.
Follow this link to see the Bureau of Reclamation website listing current reservoir levels.