Act 277 of 1948 creating the Anacoco-Prairie State Game and Fish Preserve, setting aside 5,379 acres (2,177 ha) of land, money for the purchase of wild game and fish, and for restocking purposes, as well as for the building and maintenance of a dam.

The Louisiana Department of Transportation and Development has authority and maintenance over the levees, dam, and associated structures.

Act 858 of the 1981 Legislature abolished the Anacoco Prairie Game and Fish Commission and transferred authority to the Louisiana Department of Wildlife and Fisheries.

[2] Anacoco Lake is impounded by an earthen dam with stone riprap approximately 4,670 feet (1,420 m) in length.

The dam has a six by six feet (1.8 by 1.8 m) sluice gate that the LDWF has listed in bad shape.