Customer Info
The District is committed to empowering our customers to use online tools for quicker and more efficient customer service. If you require additional customer service, please call the office and let one of our associates guide you through your questions.
District Hours: Monday - Thursday 8 am to 5 pm and Fridays by phone until 4 pm.
Emergencies: 24 hours / 7 days per week
Phone: (925) 625-3798
Email: customers@diablowater.org