THE annual event that brings everyone together has gone virtual - with nearly 40 education sessions, a virtual exhibit hall, and fun networking!

This is the 1st of 15 OOWA courses available - page down to see additional courses. This presentation provides a brief overview of the relationship among public...

On-site sewage systems are systems designed to treat and dispose of wastewater for structures and establishments that are not served by public sewer. Until the last 15...

This course examines math review of Missouri standards for basic conventional systems. Calculations are explained and practiced for daily flow rates, tank volumes,...

This course provides and overview of 12 VAC 5-610, the Sewage Handling and Disposal Regulations. These regulations address conventional onsite sewage systems in...

This timely presentation by John Thomas, the former ED of WOSSA discusses the pathogens present in human waste, including COVID-19 (Corona/Chinese Virus), e-Coli, MRSA...

Daily water use decreased 22% from 177 gpd in 1999 to 138 gpd in 2016. This presentation will cover what this means for the septic industry.

This presentation will discuss aspects and methods for troubleshooting tanks of various materials.

This presentation will address issues when troubleshooting systems that incorporate pumps and controls.

This course will discuss how to troubleshooting soil treatment areas which is a complex process as essentially all of the components are not visible.

This presentation will describe the design concepts of both natural and artificial media filters and how to troubleshoot problems.

This topic focuses on the microbial processes that affects the fates of organic particulates, nitrogen, phosphorus and pathogenic bacteria.

This session will cover how to troubleshoot aerobic treatment units.

Review malfunction investigation basics, the function of the tank, drain field investigation, and malfunction issues and examples.

This presentation will define failure and what is needed to document such system as well as provide case studies.