Whats grout?
Grout is a cement or bentonite or bentonite/cement mixture that is pumped into the space between the hole that is drilled and the casing of the well. The regulations require that the well have grout from twenty (20) feet deep to land surface. You should be able to see a ring of cement or bentonite around the well at the surface; this is very important as the grout prevents surface run-off, possibly containing contaminants, from running down into the well.
