Due to the COVID-19 pandemic and Shelter in Place Order, our office is closed to the public.  Behind the scenes our operations will continue.  Our staff is committed to the continual delivery of safe and high quality water.  See answers to frequently asked questions here.

Contact Us

Office Hours: M - F 8am to 5pm (closed 12-1pm)

Emergencies: 24 hours / 7 days per week

Phone: (925) 625-3798

Email: customers@diablowater.org

Physical Address: 87 Carol Lane, Oakley

Mailing Address: P.O. Box 127, Oakley, CA 94561