ARM 36.21.672
ARM 36.21.672. ABANDONMENT OF FILTER PACK WELLS
Cite as Mont. Admin. R. 36.21.672
(1) Appropriate methods of abandonment of filter pack or gravel enveloped wells, or other wells in which coarse material has been added around the inner casing should be determined individually by the responsible water well contractor. Approval should be obtained from the board prior to abandonment.