If water keeps coming our during the rain, it is likely that you have some
problem with your grading because good grading of a house should direct
water away from your house so no sump pump is needed to be used at all. If
you are sure that there is no grading problem. The extra water should be
related to your house's particular ground condition in which case water can
come toward your house from under ground. This will be hard to fix and it
should be normal for it to run a lot time.
I have a sum