Water Quality Reports

Western Water is committed to ensuring the safety and quality of the drinking water delivered to homes, businesses, and schools in our service area. Rigorous water monitoring and testing is conducted at more than 117 locations across the distribution system, performing more than 34,000 tests to monitor for contaminants and impurities.

As required by the Environmental Protection Agency and State Water Resources Control Board Division of Drinking Water, Western Water is pleased to make this report available to all customers by July 1 each year for the previous calendar year.

View and print Western Water's 2024 Annual Water Quality Report | Español

Customers can request a printed copy using our online form or call us at 951.571.7104. Upon request, Western Water will mail a paper copy to you.