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Joined: Oct 2025
Posts: 3
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Joined: Oct 2025
Posts: 3 |
Hello!
I am looking but have not found where anyone has discussed managing spillway height when factoring in dam settling.
I will be installing a bottom draw siphon spillway on my 5 acre lake where the primary water level will be determined by the siphon height. Say my 20 ft dam is going to settle 2 feet (90% compaction), will the height of my siphon:
A: Lower with the overall dam
B: Hold elevation; raising its relative position in the dam
C: Crack due to strain and/or cause dam failure
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Joined: Nov 2007
Posts: 4,922 Likes: 1004
Lunker
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Lunker
Joined: Nov 2007
Posts: 4,922 Likes: 1004 |
Deleted for being wrong.
Last edited by FishinRod; 10/23/25 11:20 AM. Reason: Wrong
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Joined: Jul 2015
Posts: 245 Likes: 12
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Joined: Jul 2015
Posts: 245 Likes: 12 |
I am not an expert but the horizontal pipe does control your pond level. The air break is for when it goes in turbo mode. I may be wrong, but that is the way I see it working.
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Joined: Nov 2007
Posts: 4,922 Likes: 1004
Lunker
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Lunker
Joined: Nov 2007
Posts: 4,922 Likes: 1004 |
I believe nehunter is correct. My prior comment above was incorrect and only referred to an operating siphon. Typical siphon systems operate effectively as a pond outlet - even before they go into siphon mode.
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