US lawIllinoisRegulationsTitle 77 — PUBLIC HEALTHCHAPTER I: DEPARTMENT OF PUBLIC HEALTHSUBCHAPTER r: WATER AND SEWAGEPart 920 — WATER WELL CONSTRUCTION CODE920.ILLUSTRATION I77 Ill. Adm. Code 920.ILLUSTRATION II Installation of a Driven WellLast amended: 1998Year: 2026Length: 8 wordsOfficial source Section 920.ILLUSTRATION I  Installation of a Driven WellPrevious77 Ill. Adm. Code 920.ILLUSTRATION HNext77 Ill. Adm. Code 920.ILLUSTRATION J