Underground Storage Tank Program
Administrative UST Program Notifications
- UST Compliance Inspection Reporting Required (October 17, 2025)
- Single-Walled UST Survey for Unified Program Agencies (February 26, 2025)
- Single-Walled UST Enforcement for Unified Program Agencies 2025 (January 22, 2025)
- Reminder of Single-Walled UST Permanent Closure Requirement (December 28, 2023)
- Preparation for Enforcement of Single-Walled UST Closure Deadline (December 19, 2023)
- UST Statutory Provisions of AB 1716 and 1115 (November 17, 2023)
- Informational Webinars: Chapter 16 Rewrite (November 1, 2023)
- UST Systems Using In-Station Diagnostics May Cause Unintended Shutdown (February 10, 2022)
- Rescinded Coronavirus 2019 Public Health and Safety Restrictions (July 30, 2021)
- Non-Compliant Reuse of Underground Storage Tanks (May 4, 2021)
- Regulatory Deadline for Overfill Prevention Equipment Inspection (June 24, 2020)
- Implementation of UST Requirements during Government Imposed COVID-19 Public Health and Safety Restrictions (March 19, 2020)
- Underground Storage Tank Report 6 Paperless Reporting Requirements (July 1, 2019)
- Underground Storage Tank Provisions of AB 2902 (October 24, 2018)
- Financial Assistance for Closure of Single-Walled Underground Storage Tank Systems (March 16, 2018)
- CERS UST Inspection Report (November 20, 2017)
- Contractor License Requirements for Work Associated with Underground Storage Tanks (June 21, 2017)
- Conclusion of the Abandoned UST Initiative, and UPA Inspection and Reporting Requirements (Apri 27, 2017)
- Amended Requirements for Unified Program Facility Permits Effective January 1, 2017 (April 7, 2017)
- Title 23 Electronic Reporting Amendments Effective January 1, 2017 (January 30, 2017)
- When to Review UST Records (November 29, 2016)
- Compliance with California and Federal Underground Storage Tank Regulations (October 21, 2015)
- Compliance Deadlines for 2015 Revised Federal UST Regulations (August 20, 2015)
- Letter to Single-Walled UST Owners and/or Operators Regarding the New Single-Walled UST Closure Requirements (July 7, 2015)
- Reporting Violations Per UST (June 10, 2015)
- SB445 Single-Walled UST Closure Notification (September 26, 2014)
