A. No person shall park, or permit to be parked, any motor vehicle upon any lot or area within the City which is not dust-free. Violation of this section shall constitute a civil traffic violation, and the violator shall be subject to a civil sanction of not less than one hundred fifty dollars or more than two hundred fifty dollars.

B. "Dust-free" shall mean that a lot or area is maintained by paving with one of the following methods: asphaltic concrete, cement concrete, penetration treatment of bituminous material and seal coat of bituminous binder and a mineral aggregate, or the equivalent as approved by the Zoning Administrator.

C. An area which encompasses all or part of a residential lot which contains one single-family or duplex residential unit is also dust-free if covered by a smooth layer of crushed rock or gravel maintained to a minimum depth of three inches and contained within a permanent border or an alternative surface treatment as approved by the Planning and Development Department that will equal or exceed the dust-free characteristic of contained crushed rock or gravel.

D. This section shall not be applicable to vehicles parked in the rear yard of a residential lot which contains one single-family or duplex residential unit.

E. It shall be an affirmative defense to a violation of this section that the condition of the lot was in compliance with a stipulation made by the Zoning Administrator permitting temporary parking for civic events and that the vehicle was parked by or on behalf of an attendee of such an event. (Ord. No. G-1851, § 2; Ord. No. G-1938, § 2; Ord. No. G-2753, § 3; Ord. No. G-3543, § 1; Ord. No. G-4037, § 2, 1997; Ord. No. G-4580, § 8, 2004; Ord. No. G-5590, § 1, 2011)