Just signed up but I have been reading for a while trying to decide if I can build a pond on a piece of property I am looking at (40 acres total). There are 2 drainage ditches/wet weather creeks that converge and empty into a fairly large wet weather creek. I would like to dam them before they enter this larger creek. Issues I see
1. Larger creek could flood and wash out dam from back side.
2. Pond could back up to road depending on height of dam and desired size.
3. Smaller drainage ditches carry a lot of water sometimes (8ft sides while standing down in bottom of ditch) can I handle the inflow/outflow?
Dam would be about 200ft long and I figure around 25ft high. Red is dam, blue is my estimate of pond and orange is where I plan to build my home.
I'm not sure picture has enough detail. I tried to overlay topo on google earth.