The City of Ontario received over 560 submissions from Ontario's students in grades K-6th for the annual Water Conservation Poster Contest. Three winners were selected from each grade. All the winners were recognized at a ceremony on April 17, 2025.
Swimming Pool Discharge
For more information regarding swimming pool discharge, email ENGStormwater@ontarioca.gov or call 909-395-2025.
2024 Consumer Confidence Report
The 2024 Water Quality Report will be available in July, and it will be available in English and Spanish. Please visit the City's website at OntarioCA.gov/OMUC/Utilities to download or view the report. To request a mailed copy, call 909-395-2678 or email waterreport@ontarioca.gov.
Smart Irrigation Month
July is smart irrigation month! Here are some tips to ensure your sprinklers are running efficiently:
Run your sprinklers for an entire cycle to ensure there is minimal runoff. Make adjustments to the run time to reduce water runoff.
Check for any broken sprinkler heads and replace as necessary.
Remove excess vegetation that may be blocking the sprinkler heads.
Please visit io Ontario Waterwise to learn more about our water conservation programs.
Stay Informed!
The Ontario Municipal Utilities Company is updating our customer records to ensure effective communication. Keeping your information current ensures you won't miss important updates about your account. Please visit our online customer portal to update your phone number, email address, autopay and more.
City Manager Scott Ochoa Utilities General Manager Scott Burton
For questions or comments, please contact the Ontario Municipal Utilities Company at (909) 395-2605.