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Joined: Feb 2012
Posts: 8
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OP
Joined: Feb 2012
Posts: 8 |
Second post, but I have been reading this site for a while. Great resource. Here is my situation:
Bought a piece of property with 2.5-3 acre pond. Old standpipe is rusted at the base, and the pond is dry except for a very small spring that feeds into it. It has a spillway. Neighbors say the pond was in great shape until the pipe rusted out some time in the mid to late 90's.
There are trees on the front and the back of the dam, mostly pines, but some oaks, sweet gums, but these are much smaller.
First, let's deal with the old pipe. My options are plug or remove. Seems like most folks favor digging the old pipe completely out, is that correct and not messing with plugging or lining the old pipe, which is much cheaper, but maybe not in the long run. thoughts?
Second, let's talk about the trees. Very few people say it's OK to leave them and take a risk. One said, just get them off the front of the dam. Another, take them off the front and back. Many of the pines, are older and larger 15-20 years.
Third, I am leaning toward not going back to conventional. I could either simply put pipes at the spillway or use a siphon system.
Pond is about 8 feet deep at the dam.
Thanks for your help.
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Joined: Jan 2009
Posts: 28,562 Likes: 849
Moderator Ambassador Field Correspondent Lunker
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Moderator Ambassador Field Correspondent Lunker
Joined: Jan 2009
Posts: 28,562 Likes: 849 |
If it were mine, and the funds were available, I'd dig out the old pipe, remove the trees (and roots) from the dam, and see about making the pond deeper (removing the organic sediment that has built up in the pond basin at the same time), and go with a siphon system. Drawing the water from the lowest portion of the pond.
My concerns with just plugging the pipe is that one of the trees could die (or already has) and the decomposing roots would compromise the dam. I'd hate to get the pond just the way I envisioned it and have the dam start leaking.
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Joined: Feb 2012
Posts: 8
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OP
Joined: Feb 2012
Posts: 8 |
Thanks so much. I have someone starting on digging out the old pipe and removing the trees and roots in two weeks. He will make the pond deeper and remove the sediment. He's been building ponds in my area for 30 plus years. Not the cheapest, but probably one of the best, if not the best.
His advice, however, is to go with a conventional PVC system that draws water from the bottom. I think this is because he is less familiar with a siphon system and very "old school," which can be a good thing.
I realize it's my money, so I can dictate what I want, but despite all the good things I have read about siphon systems, I am just about convinced that what this guy will put it will be just as good, if not better than siphon system.
Any thoughts? Thanks.
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Joined: Jan 2009
Posts: 28,562 Likes: 849
Moderator Ambassador Field Correspondent Lunker
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Moderator Ambassador Field Correspondent Lunker
Joined: Jan 2009
Posts: 28,562 Likes: 849 |
With his system, will the PVC pipe hold water all the time?
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Joined: Feb 2012
Posts: 8
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OP
Joined: Feb 2012
Posts: 8 |
I don't believe so, but I will check. Why? I assume the water degrades the PVC or PVC seals?
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Joined: Sep 2010
Posts: 384
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Joined: Sep 2010
Posts: 384 |
When he "mucks out" your pond be sure you don't cut into your liner. That can cause problems.
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Joined: Jan 2009
Posts: 28,562 Likes: 849
Moderator Ambassador Field Correspondent Lunker
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Moderator Ambassador Field Correspondent Lunker
Joined: Jan 2009
Posts: 28,562 Likes: 849 |
I don't believe so, but I will check. Why? I assume the water degrades the PVC or PVC seals? Water won't degrade the PVC, but organics will grow on the PVC. The valve should be operated at least once a year to ensure it stays functioning. If the valve does go bad, can it be replaced/repaired without draining the whole pond? A siphon system is easier to work on down the road ince it's mostly out of the water. Any PVC that is exposed to sunlight should have UV inhibitors in it.
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Joined: Feb 2012
Posts: 8
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OP
Joined: Feb 2012
Posts: 8 |
Water will be drawn from near the bottom with use of sleeve and trash rack. Valve can be replaced without draining completely.
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Joined: Jan 2009
Posts: 28,562 Likes: 849
Moderator Ambassador Field Correspondent Lunker
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Moderator Ambassador Field Correspondent Lunker
Joined: Jan 2009
Posts: 28,562 Likes: 849 |
Water will be drawn from near the bottom with use of sleeve and trash rack. Valve can be replaced without draining completely. With that said, you're good to go!
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