restoration work. In October 2009, American Rivers placed the Flint on its list of America's Most Endangered Rivers, mainly due to new plans to put a dam on it.

The Flint is one of four rivers in the southeast with significant remaining populations of Hymenocallis coronaria, the Shoals spider-lily. Four separate stands of the plant have been studied and documented in the river, ranging from Yellow Jacket Shoals to Hightower Shoals.