No provision of this article shall be deemed to remove from any local government any authority pertaining to the regulation of freshwater wetlands, whether such wetlands are under the jurisdiction of the department or a county pursuant to subdivision 4 of section 24-0501 of this title, under the county, general city, general municipal, municipal home rule, town, village, or any other law, provided, however, that any such regulation by a local government shall be at least as protective of freshwater wetlands as the regulations in effect pursuant to the provisions of this chapter or any rule or regulation promulgated pursuant to the provisions of this article or pursuant to a local freshwater wetlands protection law or ordinance adopted by a county pursuant to the provisions of section 24-0501 of this title.