US lawOklahomaRegulationsTitle 252 — DEPARTMENT OF ENVIRONMENTAL QUALITYChapter 690252:690-5-1OAC 252:690-5-1GeneralYear: 2026Length: 16 wordsOfficial source Cite as Okla. Admin. Code § 252:690-5-1Groundwater is protected through the implementation rules of the DEQ as described in 252:690-5-2 through 5-19.PreviousOAC 252:690-3-92NextOAC 252:690-5-2