Iowa /
Big Creek Lake
Lake in Iowa · 847 acres · near Madrid, Polk City
Big Creek Lake has 3 boat ramps listed as public.
Past algal blooms
Harmful algal blooms reported on this water (state reports compiled by U.S. EPA): 2024.
state reports compiled by U.S. EPA · checked October 18, 2026
Depth contours in feet from Iowa DNR; deepest point about 50 ft. Lake levels and bottoms change; not for navigation.
Launches
- Big Creek East Boat Ramp · Boat ramp · near Polk City
- Big Creek West Boat Ramp · Boat ramp · near Polk City
- Big Creek Williams Drive Boat Ramp · Boat ramp · near Polk City
Community
Where people who fish, boat and paddle Big Creek Lake talk about it. Lake associations, clubs and local groups will be added as we find them.