Oregon /
Cold Springs Reservoir
Reservoir in Oregon · 875 acres · near Hermiston
Cold Springs Reservoir has 1 boat ramp listed as public.
Algal bloom precaution
Oregon Health Authority has a harmful algae precaution for this water (May 20, 2026). Avoid contact with discoloured water or scum, and keep pets and children out of it.
Oregon Health Authority · checked October 18, 2026
Past algal blooms
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2024 and 2026.
state reports compiled by U.S. EPA · checked October 18, 2026
Launches
- Cold Springs Reservoir Boat Launch · Boat ramp · near Hermiston · free
Community
Where people who fish, boat and paddle Cold Springs Reservoir talk about it. Lake associations, clubs and local groups will be added as we find them.