• Running Out of Hot Water This could be because your water heater's tank is too small and won't supply enough water for your house size. Another reason could possibly be a buildup of lime in the tank. This can be fixed by flushing or draining the tank. If it is an electrical water heater, you may have a bad heating element that isn't heating the water enough. • Water is on the Floor by the Water Heater​​ The water heater tank is probably leaking. Take off the front panel and