US lawIllinoisRegulationsTitle 77 — PUBLIC HEALTHCHAPTER I: DEPARTMENT OF PUBLIC HEALTHSUBCHAPTER r: WATER AND SEWAGEPart 900 — DRINKING WATER SYSTEMS CODE900.7077 Ill. Adm. Code 900.70Microbiological (Repealed)Last amended: 1995Year: 2026Length: 6 wordsOfficial source Section 900 Section 900.70 Microbiological (Repealed)Previous77 Ill. Adm. Code 900.65Next77 Ill. Adm. Code 900.80