The operator or sponsoring agency shall clean and restore the location where the special event operates to the condition which existed thereon prior to the occurrence of the event. Upon failure to do so the City shall proceed to clean up the location and bill the operator or sponsoring agency for the costs. The City may file a civil action in the Johnson County District Court to collect unpaid costs, but the filing of such action shall not prevent the filing of an action in the Municipal Court for violation of this section. (Ord. 15-36 § 2, 2015; Ord. 94-88 § 2, 1994.)