Through regulation and enforcement, DDOE protects human health and the environment from the adverse effects of petroleum, petroleum-related products and hazardous materials from underground storage tanks (USTs) and systems in the District of Columbia.

The District regulates tanks of more than 1,100 gallons containing heating oil for use on the premises. These tanks are not regulated by the federal government. Approximately 700 facilities in the District hold 1,000 USTs, including heating oil tanks.

The UST-LUST Branch is organized into two programs: Underground Storage Tanks (UST) and Leaking Underground Storage Tanks (LUST).

• Delivery Prohibition Guidance (Effective January 1, 2009)
• Public Records - 2009 UST Statistics*
  • List of active UST facilities known to DDOE*
  • List of opened LUST sites*
  • List of closed LUST sites*
• Underground Storage Tank Laws, Regulations and Standards
• Operator Training for Class A, B and C
  • 20 DCMR 65 (August 21, 2009)* 
  • Fact Sheet for Owners and Operators
  • Fact Sheet for Training Providers
  • List of Approved Operator Training Providers*
• Recommended Practices for Operation and Maintenance of UST*
• Voluntary Remediation Action Program (VRAP)
• Documents and Publications
• Services
• UST Activity Notification Form* is required for DCRA permit purposes and to schedule an inspection with DDOE before and after any work is conducted on the UST System (i.e., system removal, closure-in-place, upgrade, repair, new installation, etc.)  You are required to submit this form to DDOE at least 5 days prior to the scheduled date of activity.  You must also call DDOE at least 24 hours prior to the scheduled date of activity to make an appointment for a DDOE inspector to be present during the tank activity, and to perform an inspection immediately following the activity.enforcement purposes.)
• UST Facility Notification Form* must be completed and submitted to DDOE within 30 days of a new UST system coming into use at a facility, and must be updated within 30 days after closure/removal/abandonment or any other changes regarding the UST System (i.e., changes to the number or type of tanks/piping, the product stored, owners name and address and other details necessary for registration, operational, compliance monitoring and
• Citizen Complaint Form*
• UST Fines and Fees*
• Definitions and Acronyms*
• Frequently Asked Questions  
• Related Links 
• Contact Us