- a) An industrial user must not, without a pretreatment permit, discharge to a POTW, unless the discharge is to a POTW with a pretreatment program approved under Subpart E.
b) An industrial user that does not have a pretreatment permit must apply for a pretreatment permit within 30 days after the Agency notifies the user that the user meets any of the following criteria:
- 1) The user has caused pass through or interference.
- 2) The user's discharge presents an imminent endangerment to the health or welfare of persons.
- c) No person may cause or allow any discharge for which a pretreatment permit has been issued unless the discharge is in compliance with the conditions of the pretreatment permit.
(Source: Amended at 47 Ill. Reg. 5083, effective March 23, 2023)