Lake Ilo
Reservoir in North Dakota · 974 acres · near Dunn Center
Lake Ilo has 1 boat ramp listed as public.
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
Depth contours in feet from North Dakota Game and Fish (fieldwork 2025); deepest point about 12 ft. Lake levels and bottoms change; not for navigation.
Launches
- Lake Ilo Boat Launch · Boat ramp · near Dunn Center Closed
Community
Where people who fish, boat and paddle Lake Ilo talk about it. Lake associations, clubs and local groups will be added as we find them.