36.21.658 SPECIAL SEALING STANDARDS FOR FLOWING WELLS
(1) When flowing water is encountered in
the well, an unperforated well casing shall extend into the confining stratum
overlying the artesian zone. The casing shall be adequately sealed into the
confining stratum so as to prevent surface and subsurface leakage from the
(2) If the well flows at
land surface, it shall be equipped with a control valve so that the flow can be
(3) The well shall be completed
with packers or appropriate sealing material that will eliminate leakage
around the well casing.
(4) The driller is
responsible to use all reasonable methods and care to prevent leakage around
the well casing within a reasonable time frame or until the board is satisfied
that the leakage is controlled.
History: 37-43-202(3), MCA; IMP, 37-43-202(3), MCA; NEW, 1986 MAR p. 1699, Eff. 10/17/86; AMD, 1997 MAR p. 65, Eff. 1/17/97.