US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 303 — WATER USE DESIGNATIONS AND SITE-SPECIFIC WATER QUALITY STANDARDSSubpart C303.32235 Ill. Adm. Code 303.322Unnamed Tributary of the Vermilion River (Repealed)Last amended: 2023Year: 2026Length: 11 wordsOfficial source Section 303 Section 303.322 Unnamed Tributary of the Vermilion River (Repealed)Previous35 Ill. Adm. Code 303.321Next35 Ill. Adm. Code 303.323