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Thread: How to figure cost of pumping one gallon of water

  1. #1
    General Engineering Contractor ballvalve's Avatar
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    Dec 2009
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    Default How to figure cost of pumping one gallon of water

    We share a well. The primary guy pays the electric bill and we meter my renters water at that house by the gallon. Its been zero for years as I have another well on the rental land that recently started pumping nasty clay, and finally the pump inlet [I am guessing] is clogged.

    I originally drilled the well and built his house, so I know its 220' deep and makes endless water of bottled quality. 1 HP pump, unknown standing water level.

    Would several fills of a 5 gallon bucket with a stopwatch and ammeter clamped on the feed wires give enough numbers to juggle and then divide into the KW cost?

    How would YOU do it?

  2. #2
    Moderator valveman's Avatar
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    Default

    At 10 cents per KW, a 1 HP will burn 10 cents per hour, $2.40 per 24 hour day. At 10 GPM that would be 17 cents per thousand gallons.

  3. #3
    General Engineering Contractor ballvalve's Avatar
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    Default

    Bet that makes the guy in the city wish he had a well.

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