1. (1) Discharges of pollutants to ground waters may be granted a mixing zone by the department, provided the mixing zone is specifically identified and conforms with the requirements and procedures of ARM Title 17, chapter 30, subchapter 5.

Authorizing statute(s): 75-5-301, MCA

Implementing statute(s): 75-5-301, MCA

History: 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; AMD, 2024 MAR p. 262, Eff. 2/10/24.