Alum Creek Lake
| Alum Creek Lake | |
|---|---|
Alum Creek Dam and Lake. View is to the northwest. | |
| Location | Delaware County, Ohio |
| Coordinates | 40°11′09″N 82°58′00″W / 40.185718°N 82.966636°W |
| Type | impound |
| Primary inflows | Alum Creek |
| Primary outflows | Alum Creek |
| Basin countries | United States |
| Built | September 1974 |
| Surface area | 5 sq mi (13 km2) |
| Max. depth | 68 ft (21 m) |
| Water volume | 134,815 acre⋅ft (166,292,000 m3) |
| Surface elevation | 823 ft (251 m) |
Alum Creek Lake is a man-made reservoir located in Delaware County, Ohio, United States. It was built in 1974, covers 5 square miles (13 km2), and has a maximum capacity of 134,815 acre-feet (166,292,000 m3).