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Thread: Do I have a leak?

  1. #1
    Tosai
    Join Date
    Jun 2008
    Posts
    31

    Do I have a leak?

    Hi,
    I just have my 3000 gallon pond set up and it's been running for a few weeks now. Can someone with some experience tell me if I have a leak or not?

    it's a 12'x8x rectangular shape koi pond and is 3000 gallons. I do have a 3 step waterfall feature. It seems to me like the water goes doen about 1/2" every day. Is that a sign of a leak or is that just normal? I'm in northern part of sunny california.

    Thanks,

  2. #2
    Jumbo
    Join Date
    Dec 2003
    Location
    SJ, CA
    Posts
    625
    Most likely not. It all depends on your location weather, and size of your waterfall.

    stan

  3. #3
    Nisai
    Join Date
    Dec 2007
    Posts
    117
    1/2" Daily is quite a lot of water. If you are talking about a surface area of roughly 96 sq feet, and based on your volume I would guess the pond is around 4 feet deep, then you are losing 350 gallons a day!! I could see this happening in Arizona or Palm Springs -- with 100+ degree days -- but not Northern California, where I also reside.

  4. #4
    Oyagoi Sangreaal's Avatar
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    Apr 2006
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    Northern California
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    Where in northern California are you?

    I'm in Dairyville, northern California, probably the most northernmost person on this board that resides in California except for SteveE in Redding. It is HOT up here and if I didn't have the flow through system I'd be losing that much per day. People on the coast don't have this kind of heat or dryness to deal with (though the central valley does). Heat and humidity or the lack thereof has a lot to do with how much water transpires.

    Be that as it may, have you checked around your pond for wet spots? Around the plumbing and such? If no indications of drips or wet spots or green spots where there shouldn't be any, you're probably not leaking.
    Marie

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  5. #5
    Jumbo jnorth's Avatar
    Join Date
    Mar 2005
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    VA
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    3,159
    Sounds like a leak to me. If you have checked all the piping and suspect a hole in the liner (assuming its a liner pond) then let the water go down until it stops. You'll find the hole in the liner just above the water level once it stops leaking.
    Koi-Unit
    My personal koi page Updated 7/8/07
    ZNA Potomac Koi Club

  6. #6
    Nisai
    Join Date
    Dec 2007
    Posts
    117
    Normally in a liner pond, the main leak points are bulkheads. It is rare that the liner would leak (unless punctured during installation). I would first start checking all bulkhead installation for leaks and go from there.

    The bad news is in my experience the bottom drain bulkhead is usually the most problematic!

  7. #7
    Oyagoi mstrseed's Avatar
    Join Date
    Oct 2006
    Location
    Georgetown, Texas USA
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    1,643
    Quote Originally Posted by blueocean View Post
    Hi,
    I do have a 3 step waterfall feature.
    I would think this would be the first place to look for a leak..................

  8. #8
    Tosai
    Join Date
    Jun 2008
    Posts
    31
    ok i measured it and it's not really 1/2" per day. It's more like 1" in 3 days. It's a new pond and there is NO puncture on the liner at all. No wet spot around the end. The only place I cannot tell is the piping that is now under the liner... I do have a 3" BD but that has been well secured by cement to hold the BD in place.

    So does 1" in 3 days sound OK?

  9. #9
    Nisai
    Join Date
    Dec 2007
    Posts
    117
    700 gallons in 3 days seems too much in my humble opinion!

  10. #10
    Tosai
    Join Date
    Feb 2008
    Posts
    13
    check out the leakage test at this site.
    http://www.poolleakpros.com/evaptest.htm

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