Sounds like a really cool place, and pond in the making. Have you planned out the outflow and emergency spillway? Bottom siphon? How steep are you sloping the banks? Are you setting dock legs or pier pilings before it fills? And do you have any estimate of how much run off inflow you'll have? Or is there already a creek feeding it?

Welcome to the Pond Boss forum! The more details you give, the more specific feedback you'll get.

And lastly, we love pictures!

"Politics": derived from 'poly' meaning many, and 'tics' meaning 'blood sucking parasites'.