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  1. #1

    Temporary Lake Water

    I have a shallow well near a lake; the lake level is dropped for two weeks a year so that folks can repair seawalls etc., and my well goes dry. I want to install a temporary surface pump drawing directly from the lake so that I can have washing and flushing water during these periods (until I can afford to have my well dug deeper!). I will switch off the existing well pump and install tees so that the auxiliary pump will feed into the house pressure tank etc. The pump will be about 10 feet above the lake level and the house is about 30-40 feet above the pump. I would appreciate any advice, particularly regarding pump sizing. Can I use rigid plastic pipe for the intake or does it have to be metal? Thanks, Julia.

  2. #2
    Senior Member
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    I'd float or otherwise hang a 1/2 hp 10-13 gpm submersible in the lake using PE (polyethylene) tubing all the way to the existing plumbing.

    Gary
    Quality Water Associates
    www.qualitywaterassociates.com
    Softener Forum: http://www.qualitywaterassociates.com/phpBB2/index.php

  3. #3
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    I would add a 1" Spin Down PVC filter with a 1000# mesh plastic screen to keep dirt, algae, vegetable matter, etc. from reaching your house. Even pristine lakes have lots of sediments and other gunk you might want to keep out.

    David

  4. #4
    Thanks guys. I was planning on picking up a 1-1/2 or 1-3/4 hp jet pump since the total head is pretty high (approx 50ft) ... Gary, you think that would be overkill? Also I'd prefer to avoid submerged electricity...

    Julia

  5. #5
    Pump guy speedbump's Avatar
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    GAry had the best idea with the sub. It will make far more head than the jet.

    bob...


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  6. #6
    OK, a sub sounds like a good idea. Any specific recommendations? The submersible well pumps on the pumpsandtanks website are way out of my budget. The pond pump looks like would fit the bill if it had pipe/hose fittings instead of spray nozzles.

  7. #7
    Pump guy speedbump's Avatar
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    The pump Gary recommended is the 1/2hp 12 gpm and costs $325.45 plus shipping. The pond pump is more like one thousand and wouldn't do what you want anyway. I don't think your going to find a better price than that one.

    bob...


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  8. #8
    Argh, for $325 I can stay in a motel during the lake lowering!

    [:-(]

  9. #9
    Pump guy speedbump's Avatar
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    It sounds like a very nice place where you live. Can I come visit and stay in a hotel near your lake for less than #325.00 for two weeks? If so, I'm on my way, it should be beautiful there this time of year with the leaves changing etc.


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  10. #10
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    Julia, you can do this right or cheap, but not both.

    And submersible pump cable is waterproof.

    Gary
    Quality Water Associates
    www.qualitywaterassociates.com
    Softener Forum: http://www.qualitywaterassociates.com/phpBB2/index.php

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