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§1007.049 DRAINAGE. (1) No land shall be developed or altered and no use shall be permitted that results in surface water runoff causing unreasonable flooding, erosion or deposit of minerals on said land, adjacent properties or water bodies. Such runoff shall be properly channeled into a storm drain, a natural water course or drainageway, a ponding area or other public facility. (2) For all construction, erosion control measures must be in place prior to the beginning of site work, e.g., grading, stripping, or construction. (a) The City may withhold inspections or suspend work on a site that does not have an approved grading plan or in-place erosion control measures. (b) The City may require financial security to insure placement of erosion control measures. (3) The owner or contractor of any natural drainage improvement or alteration may be required by the City Engineer to obtain recommendations from the Minnesota Department of Natural Resources, the Soil Conservation District, U.S. Army Corps of Engineers, affected watershed district(s), and/or City Engineer. (4) On any slope in excess of eight (8) percent where, in the opinion of the City Engineer, the natural drainage pattern may be disturbed or altered, the City Engineer may require the applicant to submit both a grading plan and soil conservation plan prior to applying for a building permit. (5) All agricultural, residential, commercial, and industrial developments shall be in accordance with applicable recommendations of the City's local water management plan as may be amended. (6) As part of a building permit application in which new structures or building footprint expansion of existing structures are proposed, a site survey showing proposed grading, drainage and building pad elevation(s) must be submitted to the City along with a certification by a registered land surveyor or engineer that they are consistent with the grading and drainage plan approved with the final plat or site plan. (7) Prior to issuance of an occupancy permit, the person or entity who developed, graded and constructed improvements upon the property for which the occupancy permit is requested, must submit certification by a registered land surveyor or engineer that the final grading, drainage and building pad elevations are consistent with the approved grading and drainage plan approved with the subdivision or site plan, or if no such City approved drainage and grading plan for the entire subdivision exists, that such person or entity represents that the grading, drainage and building pad elevations are consistent with the requirements of §1007.050 (1) through § 1007.050 (5). 3-75