Lake Nettie National Wildlife Refuge is a 3055acre National Wildlife Refuge (NWR) in the U.S. state of North Dakota. of the refuge are public while the remaining 635acre is an easement on privately owned land, but the landowners and U.S. Government work cooperatively to protect the resources. The U.S. Fish and Wildlife Service oversees Lake Nettie NWR from offices at Audubon National Wildlife Refuge.