Beaver Lake
Lake in North Dakota · 1,051 acres · near Napoleon
Beaver 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): 2019, 2021, 2024 and 2025.
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 7 ft. Lake levels and bottoms change; not for navigation.
Launches
- Beaver Lake Boat Launch · Boat ramp · near Napoleon
Community
Where people who fish, boat and paddle Beaver Lake talk about it. Lake associations, clubs and local groups will be added as we find them.