Septic Waste

Discussion in 'Tanker, Bulk and Dump Trucking Forum' started by AriGab, Jan 11, 2025.

  1. AriGab

    AriGab Light Load Member

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    Hey just curious if anyone on here hauls septic waste? I have done a ton of research and Google says that a gallon of septic waste is the same as a gallon of water (8.34 lbs). I truly find this hard to believe. Does anyone have real world numbers from crossing scales with a tanker or septic truck? Thanks.
     
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  3. Lav-25

    Lav-25 Medium Load Member

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    That weight is okay for liquid , sludge and build-up are little heavier ( paper , cooking oil , etc ) . If its bobtail tanker not a big issue , but the stuff you get from a sewage plant is ususally a mass of sludge with a heavier weight.
     
  4. AriGab

    AriGab Light Load Member

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    Feb 3, 2023
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    So I pump septic tanks and I'm trying to figure out actual weight per gallon.
     
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  5. broke down plumber

    broke down plumber Road Train Member

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    Never seen a tank over 2k gallons on a single drive axle truck.
     
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  6. broke down plumber

    broke down plumber Road Train Member

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    Its gonna vary due to consistency, a thick crust and lots of gunk in the bottom will weigh different than one thats mostly water like after a heavy rain event when field lines have become saturated and are back dumping into tank .
     
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  7. Lav-25

    Lav-25 Medium Load Member

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    Yep , used to take the small trucks out , pump out the tanks and such , bring it back to yard , pump it off into the big truck and empty it at sewage plant once a week .
    Paid the bills , smelled awful but paid above average. Back in 91
     
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  8. Lav-25

    Lav-25 Medium Load Member

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    The weight would be 15,000 lbs in a 1800 gal tank roughly . Most of them pump trucks have a waste tank and a replacement tank for wash downs and refills ( like for portapottys)
     
  9. Ridgeline

    Ridgeline Road Train Member

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    You are right, but if the effluent has a lot of solids and sludge, then add 10%, this seems to be the average, even if the sludge and solids are macerated.
     
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  10. Lav-25

    Lav-25 Medium Load Member

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    Wasn't a bad gig , worst part was the smell and clogs, but had bennys and not that hard. Easy to learn and do and not many people screwed with you. ( wonder why ??
    Hahahaha . )
     
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  11. abyliks

    abyliks Road Train Member

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    Never out of a septic tank, hauled plenty of waste water In tanks and sludge in dump trailers though, absolutely sucks, especially in the winter IMG_2896.jpeg
     
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