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Table 3-1.4, Drainage Facility Maintenance Reynirements, Continued <br />Ponds and Basins, <br />Continued <br />Slopes <br />or Berms <br />Emergency Overflow <br />Spillways <br />sediment accumulations that exceed 10% of the pond's storage volume <br />Stable slope areas with no actively eroding areas greater than 2 inches deep <br />Repair of dikes and berths that have settled more than 4 inches below design elevation <br />of wood, vegetation from built-up dikes and berms <br />rodent damage or holes which affect the ability of the facility to retain water <br />quantity and thickness of rock is present <br />nspection Schedule Iredue <br />Initially, inspect monthly ,luring Oct.I - March 31. If basin is performing satisfactorily, <br />to semi-annual inspections with additional inspections after larger storms. <br />applied only as necessary and in limited amounts. <br />>n on side slopes and floor of infiltration basins maintained as necessary to <br />dense turf with extensive root growth. <br />No bare spots on side slopes or floors of infiltration basins. <br />Sediment <br />Accumulation Areas Removal of sediment that exceeds 10% of the designed depth. <br />egetation IIn areas where nutrient control is a concern, harvest emergent wetland vegetation at <br />least once annually, in the fall. <br />Sediment <br />Accumulation Areas Removal of sediment that exceeds 10% of the designed depth. <br />3-1-14 <br />