We have a fairly large backyard that floods. We are located at the bottom of a hill and our property seems to be sinking. Two large trees have their roots coming up and when it rains, the whole yard has standing water. I have three dogs that can't use the backyard due to the flooding problem. Our neighbors are low also, but they don't flood like we do. I think part of the problem is that the neighbors in back of us are higher and they drain all their water downhill, which leads to our yard. I've reported this to the village but they don't care. Should we add drain tile through the yard and then add dirt to raise it ? Can someone help me PLEASE!!!!