US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER I: POLLUTION CONTROL BOARDPart 611 — PRIMARY DRINKING WATER STANDARDSSubpart P611.68835 Ill. Adm. Code 611.688Applicability Dates (Repealed)Last amended: 2004Year: 2026Length: 7 wordsOfficial source Section 611 Section 611.688 Applicability Dates (Repealed)Previous35 Ill. Adm. Code 611.687