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ORDINANCE NO. 88 - (g) Any excavation incidental to any authorized Indian River County development order or permit, including approved site plans, subdivision plats, final development plans and/or building permits, whereby no more than 5,000 cubic yards of excavated materials are removed from the premises. This paragraph shall not be construed to exempt excavation activities resulting in the creation of a waterbody, except as specifically exempted in Section 25 (r) (4) (i) , relating to ponds on single-family residential lots. (h) Maintenance dredging of lakes or canals. (i) A pond on a single-family residential lot, provided that: (1) the pond is no greater than acre in size or 35% of the lot, whichever is more restrictive; (2) no excavation takes place within fifty (50) feet of the lot property line; (3) the excavation does not disturb any existing wetland; (4) pond depth does not exceed 12 feet; (5) side slopes are not greater than one foot (1) vertical to four feet (4) horizontal, (6) there will be no hauling of excavated material from the property; and (7) a pond permit is obtained from the County Planning Division. (5) Water management standards Any excavation or mining activity in the unincorporated county which results in the creation or expansion of a waterbody (as defined in Section 25(r)(2)) shall be subject to the following standards, except as specifically exempted in Section 25(r)(4) of this ordinance: (a) A littoral zone shall be established as part of any created waterbody. A design and management plan must be submitted which shall: (1) include a topographic map of the proposed littoral zone showing the control elevation contour and the minus two and one-half (-21) foot control water elevation contour, and include a cross-sectional view of the littoral zone planting design, showing the required slopes from the top of the bank to a depth of two and one-half (212) feet below the control water elevation, (2) specify how vegetation is to be established, including the extent, method, type and timing of any planting provided, (3) provide a description of any water management procedures to be followed in order to ensure the continued viability and health of the littoral zone; (4) include a plan view which documents the location and extent of the littoral zone.