Most of our lots are sandy clay. Some sections actually have a layer of clay below the,"soil you see." The point is the land does not drain well.
When, we bought our home we had a puddle in our back yard. We were told it is only an issue if it sits for 24 hours. Obviously you need to draw a line somewhere. I documented the issue and our builder sent a crew. They checked the grade, it was wrong. At his expense they regraded our backyard and solved the problem.
People change their property. Down spouts, the water has to go somewhere. The people who do this work are interested it doing it cheap. No thought what so ever that they are dumping your water onto your neighbor. A pool? Driving heavy equipment over
the soil, permanently compacts the soil. Particularly when it is what we have, wet clay.
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