US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 306 — PERFORMANCE CRITERIASubpart C306.30435 Ill. Adm. Code 306.304OverflowsLast amended: 2023Year: 2026Length: 11 wordsOfficial source Section 306 Section 306.304 Overflows Overflows from sanitary sewers are prohibited.Previous35 Ill. Adm. Code 306.303Next35 Ill. Adm. Code 306.305