Welcome to the State of California 

Certified Residential Water Treatment Devices  (Archived)

January 1, 2014

NOTE: This page  and the linked pages below are no longer being updated -- for information about the Residential Water Treatment Device Program, click here.

Certified Water Treatment Devices

General Information

Laws for Drinking Water Treatment Devices

Device Application/Certification/Recertification Information

Water Treatment Device Testing

Third Party Certification


Other Topics

For More Information

For more information about residential water treatment devices, contact us at:

California Department of Public Health
Drinking Water Program
Drinking Water Treatment Device Certification Unit
P.O. Box 997377, MS 7417
Sacramento, CA 95899-7377
(916) 449-5600 (phone)
(916) 449-5656 (fax)

Last modified on: 4/25/2014 11:28 AM