This five day course is designed for people with either basic plumbing, landscaping, or permaculture skills who want to learn how to design and build simple, economical residential greywater systems.

You will learn about the theory behind simple and high-end systems including the indoor use of greywater. We’ll cover basic plumbing and landscaping skills needed for the most common four types of greywater systems. You will learn how to conduct a site assessment, determine which system to install and how to maintain existing systems. Additionally you’ll learn about what plants do best with greywater and the do’s and don’t of residential greywater reuse. By the end of the course you will know about proper installation of code compliant washing machine, and gravity flow systems under the Oregon state code. (We will cover codes from other states for out-of-state participants.)

There will be an optional exam and installation for people wishing to be certified and listed on our website.

Cost: $300, limited scholarships available for women and minority professionals working in Portland. $550 for people outside of Portland.

(To apply for a work-trade position click here) Limited work trade spots available*

Register for pay or scholarship here.