So your yard keeps flooding, and you can’t figure out why. Let’s rule out the obvious, shall we? If it hasn’t been raining a lot and you haven’t been forgetting to turn the sprinkler system off, we know exactly what you should check next. If you have an underground sprinkler system, your problem could be coming from underneath the ground, not above it. Keep reading to find out why your yard is flooding and what you can do to fix it.