I saw a post titled "SMALL POND SEDIMENT REMOVAL" which is closed but wanted to respond to this. I found a quite ingenious method we will be using once we repair our dam since silt removal was estimated in the $100,000 plus range for our location (5 acres in size impounding 21 foot acres).
This...
We will be rebuilding a damaged dam that was never built correctly in the first place.
The spillway consisted of a 48 inch vertical corrugated metal pipe. We have completed out hydrology but the question remains how many CFS (cubic feet per second) would have this old system been able to...