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expansion. <br />Highly erodible soils. Soils classified as highly erodible, credibility index of 8 or <br />larger, by the, Natural Resources Conservation Service (MRCS - formerly the Soil <br />Conservation Service). <br />Improper disposal Disposal of any construction related material in a manner that <br />causes, or has the potential to cause, the discharge of pollutants to the City's stormwater <br />system or Related Natural Resource Areas, the depletion of the capacity of the City's <br />stormwater system, or the contamination of soils, <br />Improper storage. Handling or storing of any construction related materials in a <br />manner that, due to leaks, spills; leachates, deposits or dumps, causes or has the potential to <br />cause the discharge of pollutants to the City's stormwater system or Related Natural <br />Resource Areas, the depletion of the capacity of the City's stormwater system, or the <br />contamination of soils. <br />Jurisdictional wetlands. Any parcel or portionof a parcel which meets the state or <br />federal definition of wetlands that are under the jurisdiction of state or federal laws. <br />Synonymous with wetlands: <br />Land disturbance. Activities that can change the physical conditions of landform, <br />vegetation, and hydrology including, but not limited' to, clearing, grading, grubbing, <br />excavating, filling, logging; and storing of materials. <br />Maximum extent practicable. The greatest degree of pollutant reduction achievable <br />through the application of technically feasible,' cost effective best management erosion <br />practices, processes, siting criteria, operating methods, or other alternatives approved by the <br />City.- A practice or action shall be considered "cost eh'ective" so long as the, cost is less than <br />or equal to $1.50 per square foot of disturbed area. Costs to be considered under the <br />previous sentence shall include implementation and maintenance of construction site <br />management measures_ Costs do not include: designpreparation, preparationof construction <br />site management plan/template, actions taken to correct violations, including any civil <br />penalties imposed, and permanent landscaping and associated design fees. <br />Minor recurring activities. Repetitive construction or maintenance activities that are <br />performed at different sites as part of an overall work plan or program when no individual <br />disturbance exceeds more than 500 square feet of land area and 50 cubic yards of fill or <br />excavated material. <br />Perimeter control', A facility or combination of facilities that result in no stormwater <br />nmoffleav ng a site during a 5-year storm event and saturated soil conditions including, but <br />not limited to, constructed ponds, ditches, swales, infiltration trenches, or pipes. For <br />Administrative Rule- E? <br />G:\ MMPV)3ErwionPwv-2ay.wixl <br />