US lawMinnesotaRegulationsMINNESOTA POLLUTION CONTROL AGENCYChapter 7081 — CHAPTER 7081, MIDSIZED SUBSURFACE SEWAGE TREATMENT SYSTEMS7081.0300Minn. R. 7081.0300SYSTEM ABANDONMENTLast amended: 2007Year: 2026Length: 13 wordsOfficial source MSTS no longer in use must be abandoned according to part 7080.2500 .PreviousMinn. R. 7081.0290