Coal Mine Lake
Reservoir in North Dakota · 628 acres · near Sheridan County
Coal Mine Lake has 1 boat ramp listed as public.
Past algal blooms
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2018, 2020 and 2021.
state reports compiled by U.S. EPA · checked October 18, 2026
Depth contours in feet from North Dakota Game and Fish (fieldwork 2023); deepest point about 8 ft. Lake levels and bottoms change; not for navigation.
Launches
- Coal Mine Lake Boat Launch · Boat ramp · near Sheridan County
Community
Where people who fish, boat and paddle Coal Mine Lake talk about it. Lake associations, clubs and local groups will be added as we find them.