Contact Us


General Information

Phone: (909) 993-1600
Fax:(909) 993-1985

Office Hours:
Monday – Friday: 8:00 AM to 5:00 PM

Office Hours for Water Connection Fees:
Monday – Thursday: 8:00 AM to 5:00 PM
(staff will be out of the office from 12:00 – 1:00 p.m. for lunch)

Mailing Address:
Inland Empire Utilities Agency
P.O Box 9020
Chino Hills, CA 91709

Headquarters Address:
Inland Empire Utilities Agency
6075 Kimball Avenue
Chino, CA 91708

Human Resources

Executive Management

General Manager
Joe Grindstaff

Executive Manager of External Affairs & Policy Development / Assistant General Manager
Kathy Besser

Executive Manager of Engineering / Assistant General Manager
Chris Berch

Executive Manager of Operations / Assistant General Manager
Randy Lee

Chief Financial Officer / Assistant General Manager
Christina Valencia