A stormwater permit under Section II.C. shall be obtained pursuant to the applicability and exemption provisions of Section 17.06-2 of this ordinance. Based upon the scope of the project a preliminary stormwater plan approval under Section 17.09-6 may be required and final stormwater plan approval under Section 17.09-7 will be required prior to final plat submittal or before any person commences a land disturbing or land development activity. [Code § 17.07-1.]