All countries and states have specific requirements pertaining to greywater use and reuse. This page provides information pertaining to California looking at some of the history of greywater in California, current regulations and then presenting a method for designing a greywater system that is appropriate for use in California.
General Information
Graywater policies vary around the world and within the country, Table 1 shows several water quality constituents of concern and each countries guidelines or regulations on the constituents. The United States has some of the most stringent requirements, with California having the first graywater code in the nation (Greywater Action, 2010). California’s code has up until 2009, been very restrictive and in most circumstances made it infeasible to install a permitted system. On August 4, 2009, California Plumbing Code adopted new regulations to help provide flexibility with water reuse systems.
California Greywater
- ↑ Reference