The city will adopt requirements identifying Best Management Practices for any activity, operation, or facility which may cause or contribute to pollution or contamination of stormwater, the storm drain system, or waters of the state or the United States of America. The owner or operator of a commercial or industrial establishment shall provide, at the expense of the owner or operator, reasonable protection from accidental discharge of prohibited materials or other wastes into the municipal storm drain system or water courses through the use of these structural and non-structural Best Management Practices to prevent the further discharge of pollutants to the municipal separate storm sewer system. Compliance with all terms and conditions of a valid NPDES permit authorizing the discharge of stormwater associated with the industrial provisions of this section. These Best Management Practices shall be part of a stormwater pollution prevention plan (SWPPP) as necessary for compliance with requirements of the NPDES permit.