A Test Well System is a process that measures the presence and amount of certain contaminants in the drinking water of a privately owned well. The purpose of a ground test well is two-fold: to be able to quickly and easily measure resistance-to-ground of the grounding electrode and/or to measure point-to-point continuity (resistance) from one electrode to another. Well testing is one of the most valuable tools used by reservoir engineers. Test Well System is routinely used to evaluate well and field performance, diagnose reservoir characteristics etc.