Duluth UDC § 505.02

Conservation Areas are required to be protected in a Conservation Subdivision, a PUD, or any new subdivision. These areas are defined as follows: a. Floodways within the 100-year Floodplain. These areas are designated on maps prepared by the Federal Emergency Management Agency (FEMA) and must be confirmed as to their specific location on a preliminary plat for a subdivision or site development plan for a multi-family or nonresidential project. b. Flood Hazard Areas. All areas within the 100-year floodplain but lying outside any floodway, wetland or other designated primary conservation area fall under this category. The boundaries of the 100-year floodplain are designated as the “flood hazard area” on maps prepared by the Federal Emergency Management Agency (FEMA) and must be confirmed as to their specific location on a preliminary plat for a subdivision or site development plan for a multi-family or nonresidential project. c. Required Stream Buffers. Natural vegetative stream buffers along the banks of all perennial streams and other state waters, as required by the Soil Erosion, Sedimentation and Pollution Control provisions of the Erosion Control and Stormwater Management Article of this UDC. 155 | P a g e Article Five. Subdivisions and Planned Developments d. Wetlands. Wetlands are those areas that are inundated or saturated by surface water or groundwater at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Wetlands generally include swamps, marshes, bogs and similar areas.