WaterSense
The Board of Public Utilities has partnered with the U.S. Environmental Protection Agency in the WaterSense program. WaterSense a national program that makes it easy to choose water-efficient products and provides resources to help conserve water. WaterSense labels water-efficient products that are certified to use at least 20% less water, save energy and perform as well as or better than regular models.
WaterSense products include sink faucets, high-efficiency toilets and urinals, showerheads, irrigation heads and control boxes.
Check out WaterSense products here

Calculate your water savings
Use this water savings calculator to estimate how much water, energy and money can be saved by installing WaterSense labeled products in your home.