It appropriates the Mississinewa River for water system stockpiling and surge control. The dam is claimed and worked by the Great Lakes and Ohio River Division of the Corps of Engineers.
The store it makes, Mississinewa Lake, has a typical water surface of five square miles, has a most extreme limit of 368,400 section of land feet, and an ordinary limit of 75,200 section of land feet. Entertainment incorporates angling, sculling, and swimming. Close-by amusement territories incorporate the Miami State Recreation Area, the Red Bridge State Recreation Area, the Pearson Mill State Recreation Area, and the Frances Slocum State Recreation Area.