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Soil Environment Technology Learning Lab




  1. Low Pressure Piping (LPP)

    Dec 3, 2021

    New Bulletin - Low-pressure piping in Onsite Wastewater Treatment Systems in Ohio

    An LPP is a shallow, pressure-dosed soil absorption system that evenly distributes wastewater in the entire trench area. LPP systems may be required at sites with shallow limiting conditions. They are also benefitial for any system that requires pumping the effluent upslope.

    Purchase and download a copy of the new bulletin at this link


  2. Online training for soil and site evaluation

    Nov 1, 2021

    Just published - an article on the new online training course. The 2021 offering just closed with plans for 2022 starting June 1 - through Oct 31.  To learn more about the course check the paper presented at the 2021 conference of the National Onsite Wastewater Recycling Association.  Link to paper

  3. Treatment of seawater salinity sewage with intermittent sand bioreactors - Just Published

    Oct 26, 2021

    In water stressed areas, flush toilets using fresh water are unsustainable. This paper explores the ability of intermittent sand bioreactors (ISBs) to treat seawater salinity septic tank effluent for on-site wastewater treatment in coastal regions.  To find out more go to Water Science and Technology.