I've been in my house 16 years. Last fall, I began getting water in my basement when it rains. I have a septic system that was last pumped out about 3 years ago. The water enters the house around the pipe that goes out through the basement wall to the septic tank. We also have a problem with rabbits burrowing under our front concrete stoop which is about 10 feet, and slightly up hill, from the septic clean out access. Is it possible that the burrowing activity has created an easy access for rain water to get to the spot in my foundation where the drain pipe leaves the house?