(1) To incorporate any new or revised federal, state, or local pretreatment standards or requirements, including new or revised local limits;

(2) To address new or changed operations, processes, production rates, wastestreams, or changes in water volume or character;

(3) To reflect conditions at the POTW requiring an authorized discharge to be reduced or curtailed. Such requirements may be either temporary or permanent;

(4) Based on information indicating that a permitted discharge poses a threat to the City’s POTW or staff, the receiving waters, or violates a prohibition of this chapter;

(5) To address violations of any terms or conditions of the wastewater discharge permit;

(6) To address misrepresentations or failures to fully disclose all relevant facts in the wastewater discharge permit application or in any required report;

(7) To incorporate revisions based on a variance from categorical pretreatment standards approved pursuant to 40 CFR § 403.13;

(8) To correct typographical or other errors in the wastewater discharge permit; or

(9) To reflect a transfer of the facility ownership or operation to a new owner or operator as required under PMC 13.90.310. [Ord. 4169 § 1, 2014; Code 1970 § 13.62.050(D).]