Any person who damages monitoring equipment, has the potential to affect or affects human health or the environment, discharges pollutants into the City's storm drainage system which causes or has the potential to cause increased maintenance of the system, non-routine inspection or sampling of the system, system blockages or other damage or interference in the City's storm water drainage system, or causes any other damages, including the imposition of fines or penalties on the City by Federal, State or local regulatory agencies, shall be liable to the City for all damages and additional costs, including fines and penalties. An administrative fee, which shall be fixed by the City Administrator based on the City's current overhead cost allocation percentage, shall be added to these charges and shall be payable to the City within thirty (30) calendar days of invoicing.