Underground Storage Tank Decommissioning and Change in Service

Notification requirements summary

• Step 1: UST Decommissioning/Change-in-Service 30-day Notice Form must be submitted to your local DEQ regional office a minimum of 30 days before starting any decommissioning work.
  
• Step 2: Telephone Notification Before Starting Decommissioning Work
  Must call your local DEQ regional office 3 days before starting any decommissioning work.
  
• Step 3: UST Decommissioning Checklist and Site Assessment Report
  Must be submitted to your local DEQ regional office within 30 days after completion of the decommissioning or change-in-service.

Note: Decommissioning is not complete until forms are received at your local DEQ regional office.

• Cathodic Protection Test Report Form 
• Decommissioning Cover Letter 
• Decommissioning/Change-in-Service 30-Day Notice 
• Decommissioning Checklist and Site Assessment Report 
• Modification Report and Checklist 
• Modification 30-Day Notice 
• Repair and Replacement Report and Checklist 
• System Temporary Closure 30-Day Notice 
• System Temporary Closure Request for Extension 

The tank status will remain active and the annual UST permit fee must be paid until both forms are received.