Mont. Admin. r. 36.21.638

Current through Register Vol. 1, January 10, 2025

Rule 36.21.638 - LOCATION OF WELLS

(1) At a minimum, unless contamination risk is evident, water wells shall not be located within:

(a) 50 feet of septic tanks, and underground storage tanks and associated lines;

(b) 100 feet of drainfields, seepage pits or cesspools, unregulated sewage lagoons, or other site treatment systems; or

(c) 1,000 feet of regulated sewage lagoons; wells less than 1,000 feet setback must be in compliance with the Department of Environmental Quality under ARM 17.30.1702.

(2) Water wells should not be located within:

(a) 10 feet of property lines unless properly protected by easement or agreement;

(b) 10 feet of sewer lines with permanent watertight joints; or

(c) 50 feet of other sewer lines.

(3) CONTRACTORS should contact local flood plain administrators for rules pertaining to wells in flood plain areas.

Mont. Admin. r. 36.21.638

NEW, 1986 MAR p. 1699, Eff. 10/17/86; AMD, 1997 MAR p. 65, Eff. 1/17/97; AMD, 2019 MAR p. 851, Eff. 6/22/2019

AUTH: 37-43-202, MCA; IMP: 37-43-202, MCA