(1) In the event of any actual or threatened discharge in violation of sections 6.501 to 6.596 of this code or the conditions of a discharge permit, which discharge presents an imminent or existing danger to the health or welfare of persons, property or the environment or which has caused or will cause interference, pass through or contamination of the resulting sludge, the city manager may issue an order to cease and desist and direct that the person responsible for such violation:
(a) Comply forthwith;
(b) Comply in accordance with the time schedule set forth by the city manager; or
(c) Take appropriate remedial or preventative action.
(2) If the person or permit holder in violation fails to comply with the order, the city shall take such steps as are deemed necessary or proper including immediate severance of the sewer connection. The city shall reinstate the wastewater treatment service upon proof of the elimination of the actual or threatened violation. The filing of an appeal pursuant to section 6.591 of this code shall not stay enforcement.