Assuming that your emergency is 12 to 18 inches above current full pond, you can't raise the level without also raising the emergency overflow. Since it was cut into undisturbed ground, I would leave things as they are.


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