ACWD Administrative Offices:
43885 South Grimmer Boulevard
Fremont, CA 94538

ACWD Billing Address
P.O. Box 5110
Fremont, CA 94537

Telephone
(510) 668-4200

Fax
(510) 770-1793

Email quick links:

• Customer Service / Billing
• Jobs / Human Resources
• Water Quality
• Operations / Maintenance
• Engineering
• Other Inquiries
• ACWD Staff Directory

Emergencies:   (510) 668-6500

If you discover a ruptured or leaking water main in the street or a broken fire hydrant, please call (510) 668-6500 without delay.

After Hours Emergencies:   (510) 668-4200

To report a leaking water main or broken fire hydrant after normal business hours (normal business hours are 8:00 a.m. to 5:00 p.m. Monday through Friday, except holidays), please call (510) 668-4200 and follow the recorded instructions.