Berkeley EcoHouse
Greywater System
On October 24th, 2007, the Berkeley EcoHouse’s constructed wetland and greywater hybrid design became the first to pass code in the state of California, and became the first permitted, residential greywater system approved by the City of Berkeley.
You can find lots of great greywater information at oasisdesign.net!
Read our Installing and Using Greywater fact sheet.







