(A) Users shall notify the city immediately upon accidentally discharging wastewater in violation of this division, in order to enable countermeasures to be taken by the city to minimize damage to the sewerage system, wastewater treatment plant, treatment processes and the receiving stream. This notification shall be followed, within 15 days of the date of occurrence, by a detailed written report describing the causes of the accidental discharge and the measures being taken to prevent future occurrences. Such notification will not relieve users of liability for any expense, loss or damage to the sewerage system, wastewater treatment plant or treatment process, or for any fines imposed by the city.
(B) A notice shall be furnished and permanently posted advising designated responsible employees to call the wastewater treatment plant in case of accidental discharge in violation of this division.