Underground Storage Tank (UST) Program
Office of Tank Tester Licensing Program
The State Water Resources Control Board (State Water Board) Office of Tank Tester Licensing (OTTL) administers the Tank Tester Licensing Program to protect human health and the environment by establishing minimum qualifications for those who test underground storage tanks and associated piping. The State Water Board OTTL licenses and regulates tank testers under the provisions of Health and Safety Code, Chapter 6.7, Section 25284.4, and the California Code of Regulations (CCR), Title 23, Division 3, Chapter 17, Sections 2730 through 2802.
Quick Links
Tank Tester Information
- Tank Tester Licensing Regulations (CCR, Title 23, Division 3, Chapter 17)
- Notice to Submit Underground Storage Tank Test Notifications For Tank and Line Integrity Testing, Enhanced Leak Detection Test Notifications, and Associated Test Results
- Test Notification Form
- List of Leak Detection Equipment (LG 113)
- Leak Prevention Publications and Documents
Contact Us
Have a question? Contact the Program
Kaitlin Cottrell, Office of Tank Tester Licensing
OTTL@waterboards.ca.gov
Phone: (916) 319-0742
Tom Henderson, Supervisor, Leak Prevention Unit
Tom.Henderson@waterboards.ca.gov
Phone: (916) 319-9128
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