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Thread: Water well pump Stops Flowing

  1. #16
    DIY Junior Member Reg1987's Avatar
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    Jul 2011
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    Fort Worth, TX
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    An update on my well situation.....

    The well guys came back yesterday and pulled out my pump and used a sand pump. They had previously lowered the pump 17 feet, but that did not seem to help much.

    They hoped the sand pump would be able to unplug the bore hole and possibly go down farther, but there did not seem to be much sand at the bottom. Just some blue colored rock.

    I did find out that my well is 160 feet with the pump at 157 feet.

    Now, the water flowed at 16.5 gal per minute with no back pressure and flowed for about 5 minutes without stopping. At 60 psi pressure it flowed at 9 gal/min and didn't stop for the 10 minutes that we left it run.

    So, the well is much improved. Nowhere near what it was at last year, but better than a few weeks ago.

    They surmised that the improvement might have come from the sand pump thumping the bottom and loosening the sand that may have collected in the vertical slits in the last 20 feet of perforated casing. Don't really know, but it seemed better.

  2. #17
    DIYer, not in the trades LLigetfa's Avatar
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    Feb 2011
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    NW Ontario, Canada
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    Quote Originally Posted by Reg1987 View Post
    Now, the water flowed at 16.5 gal per minute with no back pressure and flowed for about 5 minutes without stopping. At 60 psi pressure it flowed at 9 gal/min and didn't stop for the 10 minutes that we left it run.
    5 or 10 minutes is not a long time to let it run to get any meaningful data. Depending on casing size and static water level, the 82.5 gallons you pumped could have all come from the casing. 100 feet of 6 inch casing can hold 150 gallons of water.

    Anyway, I hope that did in fact make a difference.

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