Section 10951 Of Part 2.12. Recycled Water Usage By Car Washes From California Water Code >> Division 6. >> Part 2.12.
10951
. An in-bay car wash or a conveyor car wash permitted and
constructed after January 1, 2014, shall do either of the following:
(a) Install, use, and maintain a water recycling system that
recycles and reuses at least 60 percent of the wash and rinse water.
(b) Use recycled water provided by a water supplier for at least
60 percent of its wash and rinse water.