Section 310.401  Pretreatment Permits

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)