US lawIllinoisRegulationsTitle 77 — PUBLIC HEALTHCHAPTER I: DEPARTMENT OF PUBLIC HEALTHSUBCHAPTER r: WATER AND SEWAGEPart 920 — WATER WELL CONSTRUCTION CODE920.ILLUSTRATION H77 Ill. Adm. Code 920.ILLUSTRATION HH Bored or Dug Well – Buried Slab ConstructionLast amended: 2013Year: 2026Length: 11 wordsOfficial source Section 920.ILLUSTRATION H Bored or Dug Well – Buried Slab ConstructionPrevious77 Ill. Adm. Code 920.ILLUSTRATION GNext77 Ill. Adm. Code 920.ILLUSTRATION I