The gec from the water pipe should land on the neutral bar at the main panel. The neutral bar should be bonded or the same as the ground bar in this panel (main panel).service ground in single family residence came from water main and was landed on neutral bar. correct problem by installing ground bar into panel..
most panels have provisions for you to do so.can i ad ground bar to ground new ckts that are added to panel
can i ad ground bar to ground new ckts that are added to panel