Every year, Irvine Ranch Water District provides an annual Water Quality Report, sharing information on the safety and quality of its drinking water. We safeguard our water supply year-round to ensure that your drinking water is clean, tasty and high-quality. IRVINE RANCH WATER DISTRICT 2026 Water Quality Report
The Irvine Ranch Water District 2026 Water Quality Report includes water quality test results and reporting from 2025. As in years past, we are proud to report that your water passed every test and met or exceeded every quality standard.
At a glance: Your Water Quality Report • Your drinking water is continually tested and safe straight from the tap. • IRWD has a state-of-the-art and state-certified Water Quality Laboratory — one of the best-equipped labs in Southern California. • IRWD is leading the way on water quality testing and tests its water for many more chemicals than required by the state and federal government, including unregulated metals, pesticides and volatile organic compounds. Drink up! In 2025, IRWD drinking water met or exceeded all state and federal standards. The U.S. Environmental Protection Agency (EPA) and the State Water Resources Control Board’s Division of Drinking Water (DDW) establish and enforce drinking water quality standards to ensure public health. IRWD and its regional water suppliers (Orange County Water District and Metropolitan Water District of Southern California) frequently go beyond what is required by these federal and state regulatory agencies — monitoring your water from source to tap for regulated and unregulated elements.
Questions about your water? Contact Regulatory Compliance Manager Lori Rigby at 949-453-5344 or rigby@IRWD.com. A copy of this report is available at IRWD.com/waterquality , where you’ll also find information on IRWD’s drinking water quality monitoring. Go to IRWD.com for information on water reliability, customer support and services, and additional resources.
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IRWD Water Quality Report 2026
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