Pond spillway fish gates?
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Topic: Pond spillway fish gates?
Posted By: Tracy Martin TN
Subject: Pond spillway fish gates?
Date 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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Replies:
Posted By: IBWD MIke
Date Posted: 09 May 2024 at 8:12am
Interesting project Tracy, sorry I have no help to offer.
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Posted By: DMiller
Date Posted: 09 May 2024 at 10:04am
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.
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Posted By: Ray54
Date Posted: 09 May 2024 at 10:48am
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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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Posted By: plummerscarin
Date Posted: 09 May 2024 at 12:14pm
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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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Posted By: Tracy Martin TN
Date Posted: 10 May 2024 at 4:40pm
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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Posted By: Lars(wi)
Date Posted: 10 May 2024 at 5:20pm
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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Posted By: Tracy Martin TN
Date Posted: 10 May 2024 at 7:04pm
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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Posted By: Dave H
Date Posted: 11 May 2024 at 8:57am
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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Posted By: DMiller
Date Posted: 11 May 2024 at 11:11am
Posted By: 200Tom1
Date Posted: 12 May 2024 at 12:50am
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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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