17.30.1011    NONDEGRADATION

(1) Any ground water whose existing quality is higher than the established groundwater quality standards for its classification must be maintained at that high quality in accordance with 75-5-303 , MCA, and ARM Title 17, chapter 30, subchapter 7.

History: 75-5-301, 75-5-303, MCA; IMP, 75-5-303, MCA; NEW, 1982 MAR p. 1937, Eff. 10/29/82; AMD, 1994 MAR p. 2136, Eff. 8/12/94; TRANS, from DHES, 1996 MAR p. 1499.