Contact Us

We are here to help.


Administrative Office

Contact our main office during business hours at (925) 454-5000.


Our main fax number is (925) 454-5723.

After Hours & Emergency

Any after hours calls can be directed to a Water Plant Operator at (925) 447-6704 ext. 1.


Reporting a creek spill or dumping?

Call (925) 454-5000 during business hours or (925) 447-6704 ext. 1 anytime after hours.

Submitting a claim or reporting an incident?

Download a Claim Form and email the completed form to You can also fax a completed form to (925) 454-5723, Attention: Mike Wallace.


The window welcoming guests to Zone 7 headquarters, Business Hours: Monday through Friday, 8am - 5pm, For emergency call 925-447-6704

Business Hours

Monday through Friday, 8am – 5pm


Mailing and Delivery Address

100 North Canyons Parkway
Livermore, CA 94551


Agency Management/Key Contacts

Valerie Pryor, General Manager

Osborn Solitei, Treasurer/Assistant General Manager, Finance (Accounting, Financial & Systems Services, Employee Services)

Jarnail Chahal, Manager, Engineering

Carol Mahoney, Manager, Integrated Water Resources

Colter Andersen, Manager, Production

Donna Fabian, Executive Assistant

Alexandra Bradley, Communication Specialist


Program Contact Information

Communications and Outreach
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Conservation rebates
(925) 454-5066
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Education programs
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Water quality
(925) 447-0533
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Well drilling and destruction permits
(925) 454-5000
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