Customer Info
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
The District is committed to empowering our customers to use online tools for quicker and more efficient service. If you need additional assistance, please call our office, and one of our associates will guide you through your questions.
