My basement sum pump almost never runs, even during heavy rains.
In many cases, we don't expect sum pump to run if you have a good grading.
But this is not true otherwise. Some houses are in regions with a lot of
ground water, then sum pumps will need to run frequently like yours.
Once I talked to a guy whose house was near a lake. We talked about 10
minutes and water came out from ground in his yard for 2-3 times. I didn't
know what it was but later understand that the water was from his sum pu