"Zero discharge industrial facility" means an industry which may be identified by the director as a "significant industrial user", as defined herein, which has voluntarily elected or is required by the categorical pretreatment standard not to discharge any of its process wastewater to the POTW, but to dispose of it by other legal means. For the purposes of inspection, sampling and enforcement, a zero discharge industrial facility shall be considered an industrial user. (Ord. 68-11, 2011)