water pressure drops

Discussion in 'Pumps and Tanks Well Forum & Blog' started by kdc43903, Mar 9, 2007.

  1. kdc43903

    kdc43903 New Member

    Joined:
    Mar 9, 2007
    I have a 5 year old well with a goulds sub. pump and a pressure tank that is buried in the ground. The well is 165 feet deep. My water pressure gradually drops to almost nothing at each faucet in the house until the pump comes on and then pressure is fine and the cycle repeats (the pump kicks on about every 10 to 12 minutes with water running). There are no leaks in the house plumbing. I cannot see what the pressure is at the tank, as it is buried. This has just recently started.
    Any ideas before I start digging would be appreciated
     
  2. speedbump

    speedbump Previous member

    Joined:
    Jul 15, 2005
    Occupation:
    Water well and pump tech.
    Location:
    Riverview, Fl.
    If you meant 12 seconds instead of minutes, I would say start digging.

    bob...
     
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  4. kdc43903

    kdc43903 New Member

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    Mar 9, 2007
    Bob, I did mean minutes, but the water coming out of the faucet just before the pump comes on, has very low pressure. Much lower than it had previously.
     
  5. speedbump

    speedbump Previous member

    Joined:
    Jul 15, 2005
    Occupation:
    Water well and pump tech.
    Location:
    Riverview, Fl.
    What kind of filters do you have? Not one of those so called "Whole House Filters" from a Big Box store I hope.

    bob...
     
  6. kdc43903

    kdc43903 New Member

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    Mar 9, 2007
    There is no filter. There is a water softner, but I bypassed it with same results.
     
  7. markts30

    markts30 Commercial Plumber

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    Sep 25, 2006
    Occupation:
    Commercial Plumber
    Location:
    Phoenix, AZ
    pressure switch gone bad???
    What is it set at and how old is it?
     
  8. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

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    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
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    New England
    Check the pressure in the bladder tank...to do this, shut the pump off, open a faucet, wait until the water stops running, the using a tire pressure gauge, check the tank. My bet is that the pressure isn't where it is supposed to be - 2# less than the turn-on pressure.
     
  9. speedbump

    speedbump Previous member

    Joined:
    Jul 15, 2005
    Occupation:
    Water well and pump tech.
    Location:
    Riverview, Fl.
    If all the above checks out, see if the pressure switch points close when they should. You could have a clogged pipe feeding the switch, which would slow down it's coming on when it should.

    bob...
     
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