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RCA Attachment B 1 discretion of the City to seek cumulative remedies. (Ord. 1416, 9-26-2011) 2(Ord. 1550, 6-4-2018) 3 4 803.05:Stormwater Management Overlay District 5 A.Establishment. The StormwaterManagement Overlay District shall 6 include all land either within one hundred (100) feet of thenormal water 7 level of constructed stormwaterponds or wetlands managed for 8 stormwaterquantity and quality management purposes, or all land below 9 the 100-year flood elevation of such ponds or wetlands, whichever is 10 most restrictive. 11 B.StormwaterA manmade pond capable of holding 12 water seasonally or permanently, the purpose of which is to collect 13 runoff, nutrients, and sediment prior to releasing water into wetlands and 14 natural water bodies. 15 C.Lot Standards. All lots within the StormwaterManagement Overlay 16 District shall met the following setbacks: 17 STRUCTURE SETBACKS FROM STORM POND Type of Water Structure Setback from Water BodyRoads, Driveway, Parking and Other Impervious BodySurface or Setback 12 Storm Pond10 Ft. 10 Ft. \[JF4\]\[RJ5\] 18 19 D.General Standards: 20 1.Existing Natural Drainageways: When possible, existing natural 21 drainageways, and vegetated soil surfaces shall be used to convey, store, 22 filter, and retain stormwaterrunoff before discharge to public waters. 23 2.Minimum Disturbance: Development shall be planned and conducted in 24 a manner that will minimize the extent of disturbed areas, runoff 25 velocities, erosion potential, and reduce and delay runoff volumes. 26 Disturbed areas shall be stabilized and protected as soon as possible and 27 facilities or methods used to retain sediment on the site. 28 3.Constructed Facilities: When development density, topographic features, 29 and soil and vegetation conditions are not sufficient to adequately handle 30 stormwaterrunoff using natural features and vegetation, various types of 31 constructed facilities such as diversions, settling basins, skimming 32 devices, dikes, waterways, and ponds may be used. Preference shall be 33 given to designs using surface drainage, vegetation, and infiltration 34 rather than buried pipes and manmade materials and facilities. 35 E.Specific Standards: 36 1.Impervious Surface Coverage: Impervious surface coverage of a site 37 shall not exceed 25% of the site area in a shoreland or wetland 38 overlay\[JF6\]district unlessstormwateris conveyed to an approved, on- 2