US lawIdahoRegulationsIDAPA 58 — Environmental Quality, Department ofChapter 58.01.11 — Groundwater Quality Rule004IDAPA 58.01.11.004Referenced MaterialLast amended: 2026Year: 2026Length: 19 wordsOfficial source Statistical Guidance for Determining Background Ground Water Quality and Degradation, Department of Environmental Quality. (7-1-26) 005. -- 006. (RESERVED)PreviousIDAPA 58.01.11.002NextIDAPA 58.01.11.007