Storm water, industrial cooling water, or unpolluted process water may be discharged upon approval by the Public Works Director or his designated agent, WWTP Superintendent and Pretreatment Coordinator to such sewers as are specifically designated as combined sewers or storm drains, or to a natural outlet. (Ord. 543, 5-5-2009; amd. Ord. 2021-621, 9-2-2021)