Learn how to catch rainwater and use greywater for irrigation from San Diego’s water harvesting experts since 2008.
Greywater & Rainwater Capture – Walter Andersen San Diego
Greywater & Rainwater Capture – Walter Andersen Poway
Learn how to catch rainwater and use greywater for irrigation from San Diego’s water harvesting experts since 2008.
Hands-On Rainwater Tank Installation Workshop
Join us for a day and learn how to design and install active rainwater harvesting systems including sizing your system, filtration techniques, parts, tools, and other considerations. We will be installing a 2500 gallon tank!
Hands-On Workshop: Capturing and Using Rainwater Efficiently
Learn how to update your rainwater harvesting setup and ensure low maintenance, high quality, longevity and easy distribution in this rainwater harvesting workshop.
Free Hands-On Rainwater Tank Installation Workshop
Join us for a free rainwater harvesting workshop and learn how to install your own rainwater tank.
2025 Clairemont Garden Tour
Come see us at the Clairemont Garden and get a tour of a 3000 gallon Rainwater System we installed and a Laundry to Landscape Greywater System.
Free On-site Rainwater Tank Tour
Join us for a free tour of an actual rainwater harvesting site and learn dos and don’ts for your own installation. Learn how to maximize local rebates
Free Rainwater 101 Class
Collect Rainwater! It’s the best water for your plants!
Hands-On Rainwater Tank Installation Workshop
Join us for a rainwater harvesting workshop and learn how to install your own rainwater tank. Suitable for homeowners or professionals.
Hands-On Rain Garden Workshop
Join us for this hands-on workshop and learn how to install a rain garden for a low water use alternative to a having a beautiful garden.