boat taking on water

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I have a question for you guys. When your boats are in the water all day and you pull them out, how much water is in the bilge. I pulled mine out and it seemed have like a gallon of water in it atleast. The bilge never did go off i guess cause it didn't settle in the back until i pulled it up the ramp. But i was wondering if that is normal. Also the only thru hull fittings are the ones from the scuppers that are at the water line. Any ideas, Thanks in advance.