(1) The provisions of this subchapter are adopted as a model rule which the department is required to adopt by 75-7-401, MCA. The model rule is designed to enable counties to protect water quality and aquatic ecosystems by reducing the amount of phosphorus entering natural lakes.Mont. Admin. r. 17.30.301
NEW, 1986 MAR p. 1464, Eff. 8/29/86; TRANS, from DHES, 1996 MAR p. 1499.75-7-401, MCA; IMP, 75-7-401, MCA;