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Thread: Submersible loses volume and pressure

  1. #1

    Exclamation Submersible loses volume and pressure

    I have an 85' well with a 1/2hp submersible about 14 years old. Static water level about 25'. It has been great for doing my irrigation and domestic until this year.

    Now, it works good for my domestic water needs but when I use it for irrigation I suddenly have a problem. When it starts it works fine, but after about 5-10 minutes it dies down and looses pressure and volume. The sprinklers start surging and th pump sounds noisy. Then I have to shut it off to recover.

    I've resized my sprinkler nozzles down to a 6-8gpm consumption, and now i can go about 20min before the problem starts again.

    Any ideas on where to start?

    Thank you in advance.......

  2. #2
    Moderator valveman's Avatar
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    Check the water level in the well while this is happening. I will bet the water level is being pulled down until it pumps air.

  3. #3

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    What could cause this all of a sudden?

  4. #4
    Moderator valveman's Avatar
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    It probably happened gradually. If the static water level is still the same, the perforations or screen is clogging up. Screens usually clog gradually. You just don't see it until one day the well is only making 7 GPM, while you are trying to use 8 GPM.

  5. #5

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    Forgive me for asking a dumb question.

    But is the screen on the pump, or the casing? Is it easily cleaned or replaced?

    Is this a job for a pro?
    Last edited by lazer3691; 08-18-2008 at 05:01 PM.

  6. #6

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    bump...................

  7. #7
    That's all folks! Gary Slusser's Avatar
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    The screen is on the end of the casing.
    Gary Slusser Retired (= out of business)
    Click Here to learn how to correctly size or program a water softener.
    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

  8. #8
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    It is a job for a pro.

    bob...

  9. #9
    Previous member sammyhydro11's Avatar
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    Who says the guy has a screened well? Screened wells only need to be placed at 15 to 20 feet beyond the static water level depending on the porosity of the water bearing material. I would bet the guy has an artesian well (slang around here for rock bored well). If that's the case i would consider hydro fracturing the well. Not a job for a DIY!

    sammy

    www.tylerwellandpump.com

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