8' depth would work here further south (10 would be better but 8 will work), but where you are at it could be a problem. Someone that knows your latitude better would have to answer that one.
I have a forage pond that is about 1/20 acre and a sediment pond that is about 1/10th. If you can go to the 1/10th size it is a lot easier to get the depth you will want. At 1/20 using a dozer and trying to get more than 10' depth will be a challenge. A trackhoe could do it easily but you would need soil/clay type to withstand pretty steep sides without sloughing off. Might be a trick compacting it.
If your soil does not have to have compaction it would be not too bad expanding your current pond with an excavator. But if your soil type is prone to leakage without compaction, that pretty well puts you in the need to completely drain before excavation so proper compaction can be done. That fact would make a difference on when you might initially want to stock some fish.
Good luck on whatever you end up doing. Take pictures and let us know about the project.
Last edited by snrub; 12/11/14 08:27 PM.
