With that much water, consistently, I would invest in the sump pump. It would be a couple thousand dollars well spent for some piece of mind in any rain and particularly severe rain. We have every inch against our foundation landscaped, our gutters run far away from the house, but the water table just happens to be high near us. If you ever intend on finishing part or all of that space or plan on selling, it only helps yourself or the new owner as well.
