
In order to reroute the water that is entering down below your foundation in the basement, you need to start by checking your roof line. Mainly, this would be your gutters. Installing, maintaining and regularly cleaning your gutters would help with potential pooling along the foundation line when it rains or snow is melting. Also, by ensuring the gutters are directing the water far enough away from the house you know it's not getting near you basement, at least 10 feet away form the house.
Another factor to consider when trying to avoid water entry in your basement is the finish grade. Make sure the grade is sloping away from the building at least 10 to 15 feet.
Yes, by starting with the gutters and looking at the finish grade of your property you can start to see some indications as to whether water entry in your basement is a danger or not.