Alum Creek Lake is a man-made reservoir located in Delaware County, Ohio, United States. It was built in 1974, covers 5 square miles, and has a maximum capacity of 134,815 acre-feet.
Wikipedia https://en.wikipedia.org/wiki/Alum_Creek_Lake
Address 43021, United States
Coordinates 40°13'57.208" N -82°57'53.004" E