Welcome to our Web site

COWA is California's voice for the onsite wastewater profession. COWA promotes environmentally and economically sound onsite wastewater technology and management practices. COWA serves both the public and private sectors of its membership by providing technical updates, training, networking opportunities, and advocacy for best management/industry practices.

Membership in COWA has many benefits, including:

• News and information through email updates, quarterly members meetings, bi-annual newsletters, and the website.
• Education and Training topics cover inspection, operations and maintenance, basics of on onsite systems, and the science of onsite systems, plus all new sessions for 2009 (see our Education and Training page)
• Technical information so you can find out about new technologies suitable for onsite treatment and disposal.
• Valuable time spent with colleagues at members’ meetings, trainings, and conferences.
• The latest updates on AB 885, graywater, and operator regulations for 2009

Join or renew today to get the latest on AB 885, graywater, and operator regulations for 2009! Visit http://www.cowa.org/AB885.shtml and check back frequently for updates.

COWA 2009 Annual Conference is almost here – are you registered?

COWA’s March 17-19, 2009 conference is the “go to” place for the latest information involving our industry – including what’s happening with AB 885. Register now!

Annual Call for Nominations

Join the Board of Directors and make a difference in your industry. Click here

Read the Winter/Spring COWA Magazine 2008

OWTS Training & Education Click here for Education page