Thanks for the reply! That makes sense, I'll just have to give it a bit of fall and let it do the best it can do. I'm realizing that pond dams with siphon systems are more critical when ponds are very large and very high flow rates must be generated in order to manage water levels.
In my case, since it's going to be a 3/4 acre pond draining a total 2-2.5 acre area, I think something like an 8in pipe with normal flow ought to suffice even in heavy rains based on the reading I've done so far. Thanks again.
