US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 303 — WATER USE DESIGNATIONS AND SITE-SPECIFIC WATER QUALITY STANDARDS303.APPENDIX35 Ill. Adm. Code 303.APPENDIXA References to Previous Rules (Repealed)Last amended: 2023Year: 2026Length: 8 wordsOfficial source Section 303.APPENDIX A   References to Previous Rules (Repealed)Next35 Ill. Adm. Code 303.APPENDIX A