Del Oro's offices will be closed on Monday, May, 29, 2023 in observance of Memorial Day.
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Announcements
For 24-hour customer support or emergency, please call:
1-877-DEL-ORO-H2O
(1-877-335-6764)
For Billing or Service Inquiries:
1-530-717-2500
Water Quality
Frequently Asked Questions (FAQs) How To Read Your Meter Water Conservation Monthly Conservation Tips Water Trivia Mainline/Hydrant Flushing
Water Quality Reports address water quality standards specific to each district and are referred to as Consumer Confidence Reports. These are posted annually by July 1st, and may be accessed by visiting the "Consumer Confidence Reports" archive, below.
For a brief overview of several of the most common primary and secondary contaminants found in water, please visit the "Possible Contaminates" archive, below.