Drinking Water Treatment & Distribution System Operators
Last Update: May 21, 2013
In 1971, laws and regulations governing the certification of potable water treatment facility operation were enacted. They establish the level at which water treatment facilities should be manned; the minimum qualifications for testing at each of the five grade levels, and criteria for the renewal and revocation of certificates. They apply to a program consisting of ~13,000 certified water treatment operators. In 1998, the US EPA released Guidelines for the Certification and Recertification of Operators of Community and Nontransient Noncommunity Public Water Systems. Based on these guidelines, state regulations governing the certification of potable water treatment operators were revised to include distribution operators at five grade levels, effective January 2001. For more, see the California Operator Certification Program Annual Report (2005) (PDF)
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Scroll to the bottom of this page for information about certification, the application and exam process, and continuing education and training.
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Distribution Exams Results
Treatment Exams Results
Certified Water Treatment Operators
Certified Water Distribution Operators
Contact Information
The Operator Certification Program is located at 1616 Capitol Avenue, Suite 74.250, Sacramento, California, 95814. For general information or inquiries, please contact the Operator Certification Program at:
Operator Certification Program (OpCert)
Division of Drinking Water and Environmental Management
California Department of Public Health
P.O. Box 997377, MS 7417
Sacramento, CA 95899-7377
Telephone: (916) 449-5611
Fax: (916) 449-5654
Operator Certification Program Contacts
Follow these links for additional information: