(a) Wells completed to produce injurious water shall be cased to prevent the mixing of water or constituent zones.(b) The annular space between the casing and the wall of the borehole shall be pressured grouted with cement or bentonite grout to the land surface. Bentonite grout may not be used if a water zone contains chloride water above one thousand five hundred (1,500) parts per million (milligrams per liter) or if hydrocarbons are present.(c) Wells producing injurious water shall be completed in such a manner that will not allow injurious fluids to flow onto the land surface.