7.38.210 WASTE DISCHARGE PERMITS.
(a) The Director shall require each significant industrial user to obtain a waste discharge permit. In the event that the Director subsequently determines that the user no longer meets the criteria for classification as a significant industrial user, the Director may, in accordance with the pretreatment regulations, de-list the facility and cancel the permit.
(b) The Director may require other users to obtain waste discharge permits as necessary to carry out the purposes of this chapter.