Ontario Municipal Utility Co., City of 

UPDATED 5/27/21

Ontario has stepped down to the voluntary stage of the Water Conservation Plan. Residents and businesses in Ontario are encouraged to continue to use water efficiently. The voluntary water use restrictions are listed below. Please visit the Programs and Rebates section of the website for more information on the water saving programs available to residents and businesses.

For questions, contact us at  waterwise@ontarioca.gov

  • Cut Back Irrigation Times

  • Saves 3-15 Gallons per minute per sprinkler head

  • Skip a Day of Watering

  • Saves up to 250 gallons per week