US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 501 — GENERAL PROVISIONSSubpart B501.34035 Ill. Adm. Code 501.340NPDES PermitLast amended: 2024Year: 2026Length: 12 wordsOfficial source Section 501 Section 501.340 NPDES Permit A permit issued under the NPDES.Previous35 Ill. Adm. Code 501.335Next35 Ill. Adm. Code 501.342