Guys thanks for all your help and advice. There does not seem to e an easy or inexpensive solution to the problem. I spoke to man about a liner and he said he would sell me a pvc liner but said they dont last much more than 5 years. That seem like a lot of trouble to drain the pond install a liner for only 5 years. I called about es-13 and the man said it would run me about 8-11 thousand dollars (ouch) That is a bit rich for my blood. I think I might just try to dig down and put a layer of benonite clay down then put dirt on top of it and see if that works. Well anyway thanks for your advice Glenn