Sustainable Claremont and Greywater Corps, a Los Angeles-based company specializing in greywater and rainwater design, installation and education, are hosting a workshop at a private residence in Claremont on Saturday, October 21, from 9 a.m. to 4 p.m. The course will demonstrate the laundry-to-landscape greywater process. Topics covered include greywater basics, system calculations and design, irrigation and plumbing design and installation, testing and tuning and system documentation. Attendees should come prepared to break a sweat at this hands-on greywater course.

Tickets, $199, and additional details are available at greywatercorps.com/workshops. Sustainable Claremont members can use the discount code “SC25” for 25% off.