MSO is a non-profit organization dedicated to bringing quality educational opportunities to wastewater professionals of the state of Missouri. The Annual Conference and Trade Show showcase new technologies and bring people together to discuss new ideas and topics. Throughout the year, educational classes are hosted around Missouri to bring new information to our members and the industry.

NOWRA is the largest organization in the U.S. dedicated to representing the onsite and decentralized wastewater industry. We work to protect water resources and promote the economic, environmental, and public health benefits of septic systems.