US lawIndianaRegulationsTitle 312 — Natural Resources CommissionArticle 13 — ARTICLE 13. WATER WELL DRILLERS AND WATER WELL PUMP INSTALLERSRule 1 — Definitions13-1-9312 IAC 13-1-9312 IAC 13-1-9 "Confined aquifer" definedLast amended: 2023Year: 2027Length: 25 wordsOfficial source Cite as Ind. Admin. Code tit. 312, r. 13-1-9Sec. 9. "Confined aquifer" means an aquifer that contains sufficient hydrostatic head to cause ground water to rise above the upper boundary of the aquifer.Previous312 IAC 13-1-8Next312 IAC 13-1-10