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2/90 <br />removal, or where sediment build up has <br />eliminated necessary storage volume. <br />PRACTICE: Structure and Skimmer Maintenance. <br />MINIMUM STANDARD: Based on bi-annual inspections and <br />following heavy rains, maintenance needs <br />should be developed. <br />PRACTICE: Litter Control. <br />MINIMUM STANDARD: Bi-annual wetland inspections and <br />collection. Seasonal public education <br />efforts. <br />PRACTICE: Chemical application to reduce aquatic <br />and roadside vegetation. <br />MINIMUM STANDARD: Discourage this practice to the greatest <br />extent possible. <br />PRACTICE: Vegetation Harvesting. <br />MINIMUM STANDARD: In areas specially developed and <br />maintained to control and reduce <br />nutrients, vegetation should be <br />harvested in the late summer of each <br />year. Storm water should then be <br />diverted from the treatment area until <br />vegetation can be reestablished. <br />PRACTICE: Storm Sewer and Culvert Flushing. <br />MINIMUM STANDARD: Monthly visual checks of pipes that have <br />a history of sedimentation problems. <br />Flushing performed on an as needed <br />basis. <br />4.3 - 2 <br />