17.32.430: PASS-THROUGH:
"Pass-through" means a discharge which exits the POTW into waters of the state in quantities or concentrations which, alone or in conjunction with a discharge or discharges from other sources, is a cause of a violation of any requirement of the POTW's UPDES permit, including an increase in the magnitude or duration of the violation. (Ord. 68-11, 2011)