California: WaterSense not good enough for drought
The most stringent water efficiency standards in the country are now found in California.
In reaction to California’s severe drought, Governor Edmund G. Brown Jr. directed the first-ever statewide mandatory water reduction in Executive Order B-29-15. In order to comply with the order, the California Energy Commission enacted water efficiency standards that go beyond WaterSense.
According to the CEC, the new standards for kitchen and bathroom faucets, urinals and toilets will reduce California water use by more than 100 billion gallons of water per year, once the current stock of products is turned over.