1. On-site Sprinkler Irrigation of Treated Wastewater in Ohio

    Dec 3, 2018

    Bulletin e912 is now available as a downloadable PDF.  The new version is an enhancement of the first bulletin published in 2004.  This updated bulletin includes the last 14 years of OSU research in on-site wastewater reuse and has several examples of system layout for different types of sites.  To purchase a download click here.

  2. Septic Tank Soil Treatment Systems

    Oct 1, 2018

    Updated bulletin 939 is now available as a downloadable pdf.  The bulletin contains a step-by-step design process based on linear loading rates and the soils infiltrative capacity.

  3. Full-scale, low-cost treatment of food processing wastewater

    Jul 11, 2018

    Just published in Applied Engineering in Agriculture

    Mancl, K., R. Kopp and O. Tuovinen. 2018. Treatment of meat-processing wastewater with a full-scale, low-cost sand/gravel bioreactor system. Applied Engineering in Agriculture. 34(2):403-409.

  4. Winter irrigation of treated wastewater

    Jul 11, 2018

    Just published in Ohio Journal of Science.

    Griffin, J. and K. Mancl. 2017. Onsite reuse of reclaimed wastewater in winter to determine potential for pollutant runoff. Ohio Journal of Science. 117(2):74-84.

  5. Birds in the Sand

    Jul 14, 2017

    Sand bioreactor solves turkey processing wastewater woes.  Just published in the July 2017 issue of Water & Waste Digest

  6. Rowan receives OOWA Distinguished Service Award

    May 2, 2017

    For development of onsite spray irrigation systems in Ohio and for service to OOWA as President, Mike Rowan received the Ohio Onsite Wastewater Association Distinguished Service Award.

  7. Mancl receives mentoring award

    May 2, 2017

    For her dedication to the balanced, healthy and successful growth of her protegees through mentoring services focused on planning for effective teaching and research.  Karen Mancl received the Faculty Mentoring Award for the OSU College of Engineering.

  8. Sand Bioreactors - alternative to a mound or aerobic system

    Jun 10, 2016

    Have a challenging lot and looking for a low-cost, easy to maintain treatment system?  Consider a sand bioreactor.  Buried in the yard, sand bioreactors are low profile and quiet.  The effluent is extremely clean and once disinfected can be discharged to a stream with an NPDES permit or irrigated on the lot.  To find out more read the new fact sheet Sand Bioreactors for Onsite Wastewater Treatment.

  9. Innovation in Treatment of Food Processing Wastewater - Webinar

    Jun 1, 2016

    Check out this webinar on low-cost treatment of meat processing wastewater.



  10. Mound System Bulletin - Updated

    Apr 25, 2016

    The updated version of Bulletin 813 "Mound Systems for Onsite Wastewater Treatment" is available for purchase at the estore.  All of the extension publications are being updated to be in line with the new Ohio household sewage treatment system rules.