2016.04.19 Planning Packet Combined

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3 BLUFFLINE A line delineating the top of the bluff connecting the points at which the angle of ascent becomes less than twelve percent (12%). More than one (1) bluffline may be encountered. COMMISSION The City of New Brighton Planning Commission. COMMISSIONER The Commissioner of the Department of Natural Resources of the State of Minnesota. DEVELOPMENT The making of any material change in the use or appearance of any structure or land including reconstruction; alteration of the size of any structure; alteration of the land; alteration of a shore or bank of a river, stream, lake or pond; a commencement of drilling (except to obtain soil samples); mining or excavation; demolition of a structure; clearing of land as an adjunct to construction; deposit of refuse, solid or liquid waste, or fill on a parcel of land; the dividing of land into two (2) or more parcels. IMPERVIOUS SURFACE A constructed hard surface that either prevents or retards the entry of water into the soil, and causes water to run off the surface in greater quantities and at an increased rate of flow than existed prior to development. Examples include rooftops, sidewalks, patios, driveways, parking lots, storage areas, and concrete, asphalt, or gravel roads. NATURAL ENVIRONMENT LAKES Generally small, often shallow lakes with limited capacities for assimilating the impacts of development and recreational use. They often have adjacent lands with substantial constraints for development such as high water tables, exposed bedrock, and unsuitable soils. These lakes, particularly in rural areas, usually do not have much existing development or recreational use. ORDINARY HIGH WATER LEVEL (OHWL) The boundary of public waters and wetlands, and shall be an elevation delineating the highest water level which has been maintained for a sufficient period of time to leave evidence upon the landscape, commonly that point where the natural vegetation changes from predominantly aquatic to predominantly terrestrial. For watercourses, the ordinary high water level is the elevation of the top of the bank of the channel. RECREATIONAL DEVELOPMENT LAKES Generally medium-sized lakes of varying depths and shapes with a variety of landform, soil, and groundwater situations on the lands around them. They often are characterized by moderate levels of recreational use and existing development. Development consists mainly of seasonal and year- round residences and recreationally-oriented commercial uses. Many of these lakes have capacities for accommodating additional development and use.