Edenville Dam was an earthen embankment dam at the confluence of the Tittabawassee River and the Tobacco River in Mid Michigan, United States, forming Wixom Lake. The dam was about one mile (1.6 km) north of Edenville, mostly in the southeast corner of Tobacco Township in Gladwin County, with its southeastern end reaching into Edenville Township in Midland County. Its height was 54 feet (16 m), the length was 6,600 feet (2,000 m) at its crest.

The Tittabawassee River flows in a generally southeasterly direction through the Lower Peninsula of the U.S. state of Michigan. The river begins at Secord Lake in Clement Township, at the confluence of the East Branch and the Middle Branch. From there it flows through Gladwin, Midland and Saginaw counties where, as a major tributary of the Saginaw River, it flows into it at Saginaw. Its tributaries include the Chippewa, Pine, Molasses, Sugar, and Tobacco rivers.