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Pond spillway fish gates? |
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Tracy Martin TN
Orange Level Access Joined: 11 Sep 2009 Location: Gallatin,TN Points: 10608 |
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Posted: 08 May 2024 at 5:23pm |
What is the best way to make fish gates to protect fish from leaving my pond thru spillway at large flooding rains. My spillway is about 4 feet wide, I am planning widening it to about 10-12 feet wide. Where would a guy find plans for this. Any help appreciated.Thanks, Tracy
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No greater gift than healthy grandkids!
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IBWD MIke
Orange Level Joined: 08 Apr 2012 Location: Newton Ia. Points: 3644 |
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Interesting project Tracy, sorry I have no help to offer.
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DMiller
Orange Level Access Joined: 14 Sep 2009 Location: Hermann, Mo Points: 30739 |
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Saw several different varieties working at the Nuke.
Simplest was a semi floating Weir Gate, has the appearance of a Sickle bar standing on edge was locked into a pair of uprights and the float attached to it kept the Vs of the over spill where needed to be. To allow more flow we would block that in place and allow water to either overflow heavily or use for a gate and stop flow or if liquid level lowered enough would just hang in limbo. Another was a series of vertical metal bars like a walk grate, a narrow distance apart but of flow became fast enough would trap critter or debris against them. Edited by DMiller - 09 May 2024 at 10:04am |
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Ray54
Orange Level Access Joined: 22 Nov 2009 Location: Paso Robles, Ca Points: 4475 |
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It would depend how much floating vegetation (tree limbs, grass, leaves) you have that will want to go over the spillway. Of course our rain out here is feast or famine. So every time a creek runs it has 6 months to years of tree limbs and other stuff that catches in fences and culvert pipes. Very hard to build things stout enough to hold up to heavy rains here. So not much help, other than build it 10x as stout as you think it needs to be.
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plummerscarin
Orange Level Access Joined: 22 Jun 2015 Location: ia Points: 3381 |
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There is a pond near me at a state recreation area where the pond uses a vertical tube which terminates at the desired normal water level. As water levels rise, the overflow goes over the top of the tube such as you would see at dam and take some of the floating debris as well. Unless your fish are jumpers this may work?
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Tracy Martin TN
Orange Level Access Joined: 11 Sep 2009 Location: Gallatin,TN Points: 10608 |
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The reason I ask is, we had 9 inches in one day. Water topped the dam and we lost some fish. I plan to widen the spillway as to let more water out at a lesser rush. Thanks, Tracy
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No greater gift than healthy grandkids!
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Lars(wi)
Orange Level Access Joined: 14 Sep 2009 Location: Permian Basin Points: 7089 |
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What species of fish are we talking here? Blue Gills and Crappies? Or Muskelunge and Garr?
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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Tracy Martin TN
Orange Level Access Joined: 11 Sep 2009 Location: Gallatin,TN Points: 10608 |
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Pond is stocked with bluegill, large mouth bass, channel catfish and the boss's KOI. They were the ones we found. Had some of them close to 15 years. Tracy
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No greater gift than healthy grandkids!
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Dave H
Orange Level Joined: 11 Sep 2009 Location: Central IL Points: 3492 |
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Tracy, were the Koi reproducing in the pond? I haven't put the likes in my pond for fear of over population.
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DMiller
Orange Level Access Joined: 14 Sep 2009 Location: Hermann, Mo Points: 30739 |
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Koi, Japanese carp.
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200Tom1
Orange Level Joined: 03 Jun 2019 Location: Iowa Points: 1201 |
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We used hardware cloth. It kills a few smaller fish if the current running thru the spillway is very strong.
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