Could mean something. We have clay soil, but on sandy soil, cottonwoods may need more of an inflow of water. My 4th pond seems to have a leak. I knew it was a real risk due to the sand veins that I hit. Sealing them was like trying to dig a hole in a jar full of marbles. It has been really dry, but this pond had dropped more than double that of any of the other 3 ponds. I know where the water shows up about 100 feet behind the dam since it forms a very small trickle into a shallow trench that leads to the stream below. It always was a seep, even before the pond was built. Time will tell if it gets worse, stays the same, or decreases. I am hoping suspended clay will eventually seal it up, but I really don't expect that.
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