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Chapter 153 Water Resource Management Adopted 6/28/2022 <br /> Page 3 of 34 <br />COMMON PLAN OF DEVELOPMENT. A common plan of development or sale means a contiguous area <br />where multiple separate and distinct land disturbing activities may be taking place at different times, on <br />different schedules, but under one proposed plan. <br />COMPENSATORY STORAGE. The replacement of floodplain storage lost by placement of fill below the <br />100-year flood elevation. Measured by the volume of material excavated below the floodplain elevation <br />that is required to offset floodplain fill. <br />CONSTRAINED AREA. An area or site with specific conditions that make volume control BMPs difficult, <br />undesirable, or impossible. If these conditions are present, the site may qualify as “constrained,” subject <br />to county review and determination. Examples of constraints include potential contamination, low <br />permeability soils, etc. <br />CONSTRUCTION ACTIVITY. A disturbance to the land that results in a change in the topography, existing <br />soil cover (both vegetative and non-vegetative), or the existing soil topography that may result in <br />accelerated stormwater runoff, leading to soil erosion and movement of sediment into surface waters or <br />drainage systems. Examples of construction activity may include clearing, grading, filling, and excavating. <br />COUNTY. Shall refer to Carver County as the water management authority within the CCWMO. <br />CROSSINGS. Culverts, bridges, dams, or other obstructions or alterations to flow in waters of the <br />state as defined with flows equal to or greater than 10 cubic feet per second. <br />DISCHARGE. The conveyance, channeling, runoff, or drainage of stormwater, including snow melt, from a <br />construction site. <br />DNR CATCHMENT AREA. The smallest delineated and digitized drainage area mapped by the Minnesota <br />DNR Watershed Delineation Project, as updated from time to time. <br />DOWNSTREAM CAPACITY. The ability of the natural and structural conveyance system to accommodate <br />additional flows from the site discharge points to the nearest receiving major waterbody without causing <br />nuisance conditions or flooding. This includes capacity of the conveyance system to accommodate <br />additional rates, volumes, velocities and duration of flow. <br />DOWNSTREAM FACILITY. A constructed/altered water body created specifically for the purpose of <br />treating stormwater runoff which may be located off the project site and would receive runoff from the <br />project site. <br />EMERGENCY WORK. Work needed to protect life, limb, and property. <br />EROSION. The wearing away of soil by rainfall, surface water runoff, wind, or ice movement. <br />EROSION CONTROL. Methods employed to prevent erosion. Examples include, but are not limited to soil <br />stabilization practices, horizontal slope grading, temporary or permanent cover, and construction <br />phasing. <br />EXISTING CONDITIONS. The condition of a site (amount of impervious, soil condition, topography, <br />vegetative cover, etc) prior to the start of a land altering activity. <br />FEEDLOT. Refer to the feedlot management regulations, Chapter 54 of this code of ordinances. <br />FILL. Any solid material added to or redeposited in an area that changes the area’s hydrological <br />characteristics, obstructs flow patterns, converts wetland to non-wetland, or alters the area’s capacity to <br />store the 100-year flood.