Farm pond leaking

pamghatten(wny5)April 22, 2008

I saw some helpful info from sneezer2 on another pond question ..

I have a 3/4 acre farm pond that is leaking. It is man-made, and I had it dug out 5 years ago which turned out great.

The north end of the pond is leaking. It is an embankment and the water is slowly trickling out of the bottom of the embankment in 2 places. It's been VERY dry, so it's easy to see where there is water.

My neighbor said the old owner, I've lived here for 11 years, had the same problem. Supposedly, he opened up the top of the embankment and filled it with a special clay.

Here's a picture when I had it dug out ...

Here's a picture from the other side looking back at the pond ..

Anyone have any idea how they would fix the leaks? I know there are are least 2 places it's leaking.

I called the people who dug it out 5 years ago, and asked them to come look at it and give me some idea's/prices.

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terrestrial_man(9)

Ever considered a gunnite patch?
That is mixing in gunnite into soil in the area of the leak. Check with your contractor.

    Bookmark   April 22, 2008 at 8:46PM
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pamghatten(wny5)

Thank you, I'll ask them about your suggestion. I've never heard of gunnite, I'll google that next.

    Bookmark   April 23, 2008 at 8:28AM
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sleeplessinftwayne(z4-5 IND)

Powdered Bentonite is often used to seal pond leaks and might be much more practical than gunnite. How it is used depends on the size and location of the leak. More info, please. Sandy

    Bookmark   April 23, 2008 at 4:43PM
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pamghatten(wny5)

Hi Sandy,

Once I looked into what gunnite is, I knew I didn't want to use it. At this point, I don't know exactly where the leaks are coming from, except that they are coming from the North end of the pond. It is just a trickle of water, so the size of the leak can not be very large.

The ground in my area is made up of a small layer of topsoil, then clay, then shale.

I'm concerned that I'll have to empty the pond again, and I'll lose all my fish ... bass, blue gil, grass carp, goldfish, minnows, etc. Luckily the leak is on the shallow end of the pond ... so maybe just lowering the water level will do it.

We'll see.

I'm still waiting for the company to come look at it that does pond work.

    Bookmark   April 24, 2008 at 2:30PM
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mgeca

Is this embankment the dam for the pond? Are there any pipes, gates or other waterflow structures? A leaking dam is serious business. Maybe you could describe the set-up more fully.

Mike

    Bookmark   April 24, 2008 at 9:15PM
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pamghatten(wny5)

Mike,

If you look at the first picture above, behind that gazebo the ground slopes down. That is the "bank" that is leaking. All the other ground around the pond is even with the edge of the pond.

There are no pipes, gates or other waterflow structures there. The overflow for the pond is on the right hand side of the pond, and that area is very dry.

I read through lots of material on-line about bentonite, as mentioned above. And lots of the material talked about why ponds leak. One of the reasons was an extreme drought, which we had last summer.

    Bookmark   April 25, 2008 at 2:58PM
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