Chapter 3 – USEPA Onsite Wastewater Treatment System Manual
This information is provided by the Nebraska Department of Environment and Energy to assist the public and regulated community.
Form #: 13-003 Other Revised: 2/1/13
SizeFile Name
664 KB USEPA-Chapter 3.pdf


The accurate characterization of wastewater flow is critical for the effective design of an onsite wastewater treatment system for a non-dwelling facility or a non-dwelling facility that includes residential occupancy. The PDF above contains the relevant portion of the USEPA Onsite Wastewater Treatment Manual (Chapter 3: Establishing Treatment System Performance Requirements) estimating wastewater flow from plumbing fixtures and appliances as well as from a wide variety of institutional and industrial sources.