US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 611 — PRIMARY DRINKING WATER STANDARDSSubpart L611.52235 Ill. Adm. Code 611.522Repeat Coliform Monitoring (Repealed)Last amended: 2018Year: 2026Length: 8 wordsOfficial source Section 611 Section 611.522 Repeat Coliform Monitoring (Repealed)Previous35 Ill. Adm. Code 611.521Next35 Ill. Adm. Code 611.523