Idaho /
Chesterfield Reservoir
Reservoir in Idaho · 1,162 acres · near Caribou County
Chesterfield Reservoir has 1 boat ramp listed as public.
Algal bloom health advisory
Idaho Department of Health and Welfare has a cyanobacteria health advisory for this water (updated October 2, 2026). Avoid contact with discoloured water or scum, and keep pets and children out of it.
Idaho Department of Health and Welfare · checked October 18, 2026
Past algal blooms
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2026.
state reports compiled by U.S. EPA · checked October 18, 2026
Launches
- Chesterfield Reservoir Boat Launch · Boat ramp · near Caribou County
Community
Where people who fish, boat and paddle Chesterfield Reservoir talk about it. Lake associations, clubs and local groups will be added as we find them.