Refuge law enforcement is provided by a Refuge Officer at Big Muddy National Fish and Wildlife Refuge in Columbia, MO. You can contact that refuge’s office by calling 573-441-2954.

The Missouri Department of Conservation’s agents for Chariton County also provide law enforcement support for the refuge. You can contact the County MDC Agents by phone as follows: Clay Creech 816-261-1384 or Chris Chesser 660-414-0414.