Most wells in our area range from 60-300 ft. in depth. Sometimes, in the higher mountains and in certain areas water wells could be deeper. Montana's strict construction standards and the natural barriers protect the high quality of water in the aquifers below the surface. The top twenty feet of our water wells all have Bentonite grout and steel casing to protect the well from surface conditions. The type of ground determines the type of casing in the rest of the well.
Alluvial ground requires steel casing.
Hard rock conditions prescribe thermoplastic casing. A good house well should produce 10 to 15 gpm. Normally, all pumps come with a one year factory warranty against defects, if installed by a water well professional.