EPA 625/1-80-012 DESIGNMANUAL ONSITE WASTEWATER TREATMENT AND DISPOSAL SYSTEMS U.S. ENVIRONMENTAL PROTECTION AGENCY Off iice of Water Program ti Operons a Office of Research and Development United StatesEnvironmental Protection Agency Technology Transfer DesignManual Office of Water Program Operations Washington DC 20460 Office of Research and Septic System Information Website: Septic Tank and Septic System Care and Maintenance - Free In-Depth Information for septic system owners, installers, pumpers, and designers, explaining methods of septic systems inspection,testing, diagnosis, pumping, septic system repairs,septic septic design, and alternative onsite wastewater designs for EPA/625/1-86/021 October 1986 DesignManual Municipal Wastewater Disinfection U.S. Environmental Protection Agency Office of Research and Development Water Engineering Research Laboratory Center for Environmental Research Information Cincinnati, OH 45268 EPA/600/R‐09/012 January 2009 Nutrient Control DesignManual State of Technology Review Report by The Cadmus Group, Inc 57 Water Street A designmanual for onsite wastewater treatment and disposal systems. You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more. Onsite Wastewater Treatment and Disposal Systems-DesignManual (PDF)(409 pp, 9 MB) The Onsite Wastewater Treatment and Campbell, H. AND W. Boyle. DESIGNMANUAL: FINE PORE AERATION SYSTEMS. U.S. Environmental Protection Agency, Washington, D.C., EPA/625/1-89/023. This manual presents the best current practices for selecting, designing, operating, maintaining, and controlling fine pore aeration systems used in the USEPA Wastewater Treatment Manual - Online USEPA's DesignManual for Onsite Wastewater Treatment and Disposal, 1980, available from the USEPA, This manual reflects state-of-the art design information for the land application of sewage sludge. This manual was developed with a major emphasis on the maintenance of gravel roads, including some basic design elements. The purpose of the manual is to provide clear and helpful information for doing a better job of maintaining gravel roads.