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Old 08-18-2019, 02:24 AM
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Colt Colt is offline
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Originally Posted by PoorRichard05 View Post
Colt, obviously you are there and can see the problem better than me but I am wondering if this is more of an erosion control problem. Rather than making say, a three foot dam maybe you could make three one foot dams spread along a greater distance and simply let the soil fill in in front the "dams".

It sounds dumb but I used to know someone who did something like that years ago. His problem was that the stream ran across the road into his property and was eroding his road. He took landscaping bricks and made a "dam" about one foot high. In about six months soil had filled in where the problem was and his road was fine. At least the last I heard.

Just a thought. Best of luck to you.
Right on, but I really don't care about the erosion itself. It's the goats walking their way up the stream and making a jail break about every other week all summer long when debris/water pressure jams the flap open or just rips the fence in two. First and foremost I need something in the creek bed so that I can run the fence above the creek bed and above the debris and water instead of connecting the fence to something in the creek bed that's going to get sent flying. I need something in the creek that can't be washed away, so not fence or something that has moving parts to jam.

Your friend's scenario sounds like the water washing the ground out from underneath. That might be a problem with the dam later, but as long as it's not enough to let a goat through I'm okay with that. I can handle erosion control for that later.

I've tried to do some erosion control and debris catching, but everything I've put in there has just been sent flying and it's done me no good. It's not enough resistance to actually hold the debris back. It's not a slow moving erosion where something small or light can catch sediment. The issue is that it's dry most of the time, and then for a day or two a very powerful flow rips through and knocks anything in the stream out of it.
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Old 08-18-2019, 09:51 AM
lasers lasers is offline
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If you want something cheaper than a cement dam you could try building a dam like beavers do. A bunch of brush, then an inch or so of mud, a bunch brush again then more mud, and so on until you get the height you want. Before you start, drive a bunch of posts several feet into the ground and build them into the dam to anchor it.
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Old 08-18-2019, 11:28 AM
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Quote:
Originally Posted by lasers View Post
If you want something cheaper than a cement dam you could try building a dam like beavers do. A bunch of brush, then an inch or so of mud, a bunch brush again then more mud, and so on until you get the height you want. Before you start, drive a bunch of posts several feet into the ground and build them into the dam to anchor it.
Good idea, but I've pretty much tried that a few times and it always washes out. It'll even routinely make such a wood debris dam on its own at the fence line during a lighter rain and then wipe it out during a heavy rain. It's that fast moving. I'm even a little worried that it'll knock the dam over if I don't make it thick enough.
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Old 08-30-2019, 12:43 PM
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Originally Posted by Colt View Post
Here's the west (upstream) fence crossing.







I had put a row of fence posts and a line of concrete blocks to try to catch debris before it hit the fence but you can see where the flood tossed fence posts and concrete blocks on to the ford.
Heck, that looks bigger than my seasonal stream where I built a lake. Lets just say, you can always use the excess water.

I once worked for a contractor who built a crossing across a small river. This was a private crossing for farm machinery, tractors, combines and the like. We laid steel horns, (pipes) in the river bed and dumped ruble stone (limestone) on and in-between them. Poured a layer of concrete over the top and ends. The Corp of engineers actually slowed the water discharge from an upstream dam during the construction. It's still there after 40 years. At high levels, the river just goes over the top. Its a called a low water bridge. Its just downstream from one of the largest lakes in Indiana.


https://www.in.gov/dnr/parklake/2953.htm
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Old 08-30-2019, 01:59 PM
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This is actually only draining about 45 acres before it hits the first fence. But doing the math an inch of rain is 1.25 million gallons of water. Given the heavy clay here the vast majority of that makes it to the stream and it's headed through a 7' x 3' 250 square inch stream bed. If it rains an inch in an hour that's about 5,000 gallons per inch per hour or an 83 gpm flow rate.

So yeah, even a small area can result in a lot of water. I should theoretically be able to store about a half million gallons in the stream bed before it tops the dam.
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Old 09-10-2019, 12:39 AM
teenahlake teenahlake is offline
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I'm presently flying aerial survey, and I'll tell you that lidar is scary accurate. About 3/8" with a point about every 4". They will know when they pay us the 10k/hr to do your block. Would there be a way to place posts as a base, build a small dam, and transplant a few beavers. If they did the lions share, you may get away with it. Read the dam'd beavers letter
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Old 09-10-2019, 12:41 AM
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Old 09-13-2019, 09:33 PM
country_boy country_boy is offline
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Quote:
Originally Posted by teenahlake View Post
I'm presently flying aerial survey, and I'll tell you that lidar is scary accurate. About 3/8" with a point about every 4". They will know when they pay us the 10k/hr to do your block. Would there be a way to place posts as a base, build a small dam, and transplant a few beavers. If they did the lions share, you may get away with it. Read the dam'd beavers letter
Actually read the back sorry on the real beaver pond letter- the owner was accused of maintaining a former beaver pond to retain water- he claimed he wasnít maintaining it, and the beavers abandoned it after his neighbor killed them. It was a PR disaster from hell.

We (my county) have lost one bridge, and several culvert stream crossings on paved roads due to beaver dams washing out and plugging the bridge or culvert.
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Old 09-14-2019, 07:59 PM
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Thats a DAM shame......sorry couldnt help it
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Old 09-15-2019, 03:11 PM
Uteguy Uteguy is offline
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Too bad you canít import a pair of beavers...
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Old 09-15-2019, 06:00 PM
recklessdriver recklessdriver is online now
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Wait till you get a beaver problem and it gets worse.
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