Exactly, this was one of the things I did not look in to, and to be true, when we built there was 1000 things to be on top of, and unfortunate the one who claimed to be an engineer and know everything, did not do what he promised after the first one failed, and we had everything redone.
House Earthing ProceduresA licensed electrician will dig the pit first to bury the ground rod. The pit should be close to the house and about 3 metres deep. Then, he will put a layer of salt, charcoal, and sand and place the electrical earth stake vertically inside the pit
and I guees watering it would be ok to during the dry season