I have a 2-1/2 acre pond that is creek fed. The pond is about 30 years old. It was so full of silt that we could no longer take care of the weeds and moss. All of the fish had died off also. Last fall i had a friend with an escavator dig me a 10 foot wide ditch through the dam clear down to clay and drained the pond. Now that we have all of the silt cleaned out, What is the best way to seal the dam back up?
