36.21.802    EXCLUSIONS

Exclusions from these construction standards include the following wells:

(1) recovery wells;

(2) all wells less than 10 feet deep;

(3) vapor detection wells that do not penetrate the water table;

(4) lysimeters;

(5) neutron tubes;

(6) injection wells for the oil and gas industry;

(7) holes drilled for non-hydrologic geotechnical information;

(8) piezometers and observation wells in dams;

(9) monitoring wells installed under the authority of another governmental agency where the construction standards of that agency are more stringent than these rules; and

(10) special cases, with prior approval of the board.

History: 37-43-202, MCA; IMP, 37-43-202, MCA; NEW, 1988 MAR p. 2503, Eff. 11/24/88.