Pretreatment requirements for industrial users of publicly owned treatment works (POTWs)
Arkansas Code § 8-1-203; Arkansas Code § 8-4-202
(a)
- (1) An industrial user may not introduce into a POTW any pollutants that will pass through the treatment system, cause interference with the operation, or inhibit or disrupt the process, use, or disposal of sludge of the POTW as defined by 40 C.F.R. § 403.3.
- (2) This prohibition applies to each user introducing pollutants into a POTW whether or not the user is subject to other national pretreatment standards or any national, state, or local pretreatment requirements.
- (b) An industrial user discharging or proposing to discharge to a POTW with an approved POTW pretreatment program must comply with the more stringent of either the pretreatment standards in 40 C.F.R. §§ 400 – 471 or an approved POTW pretreatment program’s local limits and pretreatment standards.
- (c) An industrial user discharging or proposing to discharge to a POTW without an approved POTW pretreatment program must comply with the more stringent of either the federal pretreatment standards in applicable categories (Effluent Guidelines) located in 40 C.F.R. §§ 400 – 471 or with conditions of pretreatment in the POTW’s NPDES permit or local ordinances.
- (d) An industrial user discharging to a POTW must comply with the federal pretreatment reporting requirements located in 40 C.F.R. § 403.12.