If you are going to remove the water, I would do it by pumping. If you breach the dam, there is a good chance that you will send an awful lot of that dam material downstream. You will need that soil to rebuild.

It's not about the fish. It's about the pond. Take care of the pond and the fish will be fine. PB subscriber since before it was in color.

Without a sense of urgency, Nothing ever gets done.

Boy, if I say "sic em", you'd better look for something to bite. Sam Shelley Rancher and Farmer Muleshoe Texas 1892-1985 RIP Grandpa