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    Sec. 16.2-9. Stormwater Permit Requirement; Exemptions

    (a) Except as provided herein, no person may engage in any land-disturbing activity until a stormwater management plan or an executed agreement in lieu of a stormwater management plan and a VSMP authority permit, if such permit is required, has been issued by the administrator, in accordance with the provisions of this ordinance.

    (b) For construction activity involving a single-family detached residential structure, within or outside a common plan of development or sale, projects must adhere to the requirements of General Permit for Discharges of Stormwater from Construction Activities but neither a registration statement nor payment of the Department's portion of the statewide permit fee shall be required for coverage under the permit. 

    (c) Notwithstanding any other provisions of this ordinance, the following activities are exempt, unless otherwise required by federal law:
    (1) Land disturbing activities that disturb less than one acre of land that are not part of a larger common plan of development or sale that is one acre or greater of disturbance;
    (2) Permitted surface or deep mining operations and projects, or oil and gas operations and projects conducted under the provisions of Title 45.1 of the Code of Virginia;
    (3) Clearing of lands specifically for agricultural purposes and the management, tilling, planting, or harvesting of agricultural, horticultural, or forest crops, livestock feedlot operations, or as additionally set forth by the State Board in regulations, including engineering operations as follows: construction of terraces, terrace outlets, check dams, desilting basins, dikes, ponds, ditches, strip cropping, lister furrowing, contour cultivating, contour furrowing, land drainage, and land irrigation; however, this exception shall not apply to harvesting of forest crops unless the area on which harvesting occurs is reforested artificially or naturally in accordance with the provisions of Chapter 11 (§ 10.1-1100 et seq.) of Title 10.1 of the Code of Virginia or is converted to bona fide agricultural or improved pasture use as described in subsection B of § 10.1-1163 of Article 9 of Chapter 11 of Title 10.1 of the Code of Virginia;
    (4) Single-family residences separately built and disturbing less than one acre and not part of a larger common plan of development or sale, including additions or modifications to existing single-family detached residential structures;
    (5)  Discharges to a sanitary sewer or combined sewer system;
    (6) Activities  under  a  state  or  federal  reclamation  program  to  return  an  abandoned property to an agricultural or open land use;
    (7) Routine  maintenance  that  is  performed  to  maintain  the  original  line  and  grade, hydraulic capacity, or original construction of the project.  The paving of an existing road with a compacted or impervious surface and reestablishment of existing associated ditches and shoulders shall be deemed routine maintenance if performed in accordance with this subsection; and
    (8) Conducting land-disturbing activities in response to a public emergency where the related work requires immediate authorization to avoid imminent endangerment to human health or the environment.  In such situations, the Administrator shall be advised of the disturbance within seven days of commencing the land-disturbing activity and compliance with the administrative requirements of subsection (a) is required within thirty (30) days of commencing the land-disturbing activity. (Ord. No. O-14-070, 6-10-14)