Wetlands

This State Wetland Inventory was legislatively mandated and produced at the request of the State Legislature, with a finalized version in 2007. This layer combines the 1978 National Wetland Inventory, the Michigan Department of Natural Resources (DNR) Michigan Resource Inventory System (MIRIS) 1978 Wetland Classes, and Hydric Soils as determined by United States Department of Agriculture, Natural Resource Conservation Service (NRCS).