The Agency must modify or, alternatively, reissue a POTW's NPDES permit in order to accomplish any of the following:
a) Put the POTW on a compliance schedule for the development of a POTW pretreatment program where the addition of pollutants into a POTW by an industrial user or combination of industrial users presents a substantial hazard to the functioning of the treatment works, quality of the receiving waters, human health, or the environment;b) Incorporate an approve POTW pretreatment program in the POTW permit;c) Incorporate a compliance schedule for the development of a POTW pretreatment program in the POTW permit; ord) Incorporate the removal credits established under Subpart C of this Part in the POTW permit.Ill. Admin. Code tit. 35, § 310.505
Amended at 28 Ill. Reg. 3390, effective February 6, 2004
BOARD NOTE: Derived from 40 CFR 403.8(e) (2003).