Olivenhain Municipal Water District is a public agency providing water, wastewater services, recycled water, hydroelectricity, and parks & recreation services.

Northern San Diego County
Joined April 2009
Do your sprinklers run at night when no one is awake to see them working? If yes, make sure to regularly check them for leaks. Visit olivenhain.com/free-water-us… learn about our free water use evaluations, which offer tips to help you become more water-efficient.
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OMWD is now accepting applications for the position of Senior Risk Analyst. The application deadline is 5 p.m. on November 4, 2026. Apply online at governmentjobs.com/careers/o….
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Did you know that outdoor irrigation accounts for up to 70% of most people’s water use? Don’t wait for leaks in your outdoor irrigation to become costly bills! Discover how to set high bill & leak alerts, investigate potential leaks, and more by visiting olivenhain.com/mywaterservic….
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How do we monitor and check that your drinking water meets or exceeds state water quality standards? We conduct more than 1,300 water quality tests every month, or nearly 16,000 annually. Enjoy that next glass of refreshing, high-quality water!
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It’s Monday, and our crew just finished replacing a water meter curb box. When you’re driving around, you don’t have to think about all the infrastructure being maintained silently beneath you—OMWD crews have it covered 24/7!
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#WhatIsThatThing? That is an actuator which uses compressed air or fluid pressure to automatically open and close heavy-duty valves for water flow. We use over 100 of these actuators in the water treatment process at our water treatment plant.
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Every morning, someone fills a coffee pot, takes a shower, or waters the lawn. Water is available when you need it. OMWD produces enough drinking water to fill about 51 Olympic-sized pools every day to meet this demand. For more information, visit olivenhain.com/your-water-su….
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On October 8, OMWD, San Elijo Joint Powers Authority, & Leucadia Wastewater District will host their third Water Career Day. Encouraging students & veterans to consider careers as water professionals means you can count on us for safe & reliable water services in the future!
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Don’t pay full price for your next water-efficient appliance! OMWD customers have access to rebates on a variety of products that can help curb excess water use. Visit olivenhain.com/rebates for more information.
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The September issue of our Watching Water newsletter is now available at olivenhain.com/wp-content/up….
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OMWD is accepting applications for the position of Engineering Technician Level II or III. Applications should be submitted via the “apply” link within the job posting at governmentjobs.com/careers/o…. The application deadline is 5 p.m. on Monday, September 28.
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Outdoor water use tends to increase during the warm summer months. Schedule a free water use evaluation now to have a specialist review your water use and offer suggestions to save you money. Learn more at olivenhain.com/evaluation.
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At its annual conference today, @CSDAdistricts honored OMWD’s Kimberly A. Thorner as its 2026 General Manager of the Year. The award recognizes her leadership, including her commitment to regional partnerships and water supply reliability. olivenhain.com/news/omwds-ki…
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Join us on 9/19 for a free fire-resistant landscape workshop. Learn how to design a yard that can help protect your home in a wildfire. Space is limited. Register today at olivenhain.com/events. olivenhain.com/news/protect-… @SanDieguitoWD @SFID
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Fun Fact–Nearly 1,500 years ago, the Basilica Cistern stored water beneath Constantinople with breathtaking architecture. Our modern storage tanks have a simpler design but serve the same purpose: ensuring communities have reliable water through strength, safety, & reliability.
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At its August 19 meeting, our board recognized Peter Hevezi of Encinitas as our 2026 WaterSmart Landscape Contest winner. Mr. Hevezi’s landscape uses water-wise plants, rain barrels, and high-efficiency sprinklers. olivenhain.com/news/omwd-hon…
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OMWD has been awarded its 31st consecutive Certificate of Achievement for Excellence in Financial Reporting. @GFOA indicated that OMWD’s Annual Comprehensive Financial Report for fiscal year 2025 provided the utmost transparency. bit.ly/4g6opRV
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Happy National Backflow Day! Backflow devices allow water to flow in only one direction, preventing water in private plumbing systems from flowing back into the municipal water supply. If you own one, they require annual testing. Learn more at olivenhain.com/backflow.
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OMWD is accepting applications for the position of Water Treatment Plant Operator Level II. Applications should be submitted via the “apply” link within the job posting at governmentjobs.com/careers/o…. The application deadline is 5:00 p.m. on September 8, 2026.
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Did you know that 30 percent of indoor water use can be attributed to toilets? If you have been considering replacing toilets in your home with high-efficiency models, visit socalwatersmart.com. Take advantage of a $40 rebate on select models to save money and water!
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