The action on Tuesday by the State Water Quality Control Board came after its own survey showed that conservation measures to date have failed to achieve the 20 percent reduction in water use sought by Gov. Jerry Brown.
Survey results released before the 4-0 vote showed that water consumption throughout California had actually risen by 1 percent this past May compared to the same month in previous years.
"Everyone in the state is going to be expected to step up and at least not waste water," said Felicia Marcus, State Water Resources Control Board Chair.
The regulations approved by the board prohibit over watering of lawns and landscaping that causes runoff onto sidewalks or streets, washing sidewalks, driveways and other hard surfaces, using a hose to wash a vehicle unless the hose has a shut-off nozzle and using drinking water in a fountain or decorative water feature unless the water is recirculated.
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