Originally Posted by AFpj
Thanks for the replies. I'll review the points above and keep those in mind.

A local 9 acre family pond that was established in the 50's is still standing strong (the galvanized piping was replaced in the 90's) and we may copy their design. The watershed is no joke and worthy of respect as we receive the runoff of the NC mountains. Helene did a fair amount of damage, but that is why the emergency spillway still stands- 20ft wide, 6ft deep, and drops down a total of 20ft, but in two different 10ft sections.

As of right now, I'm still in the planning process of deciding to go with a conventional pipe system, or single vs. double siphon system.

If you go with a conventional system, remember that the galvanized pipe lasts about 40 years like you found out. Did you replace the pipe in the '90's with galvanized or something else?


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