Change of ownership or temporary closure
If you have recently become an owner/permittee of an underground storage tank, or if you are in the process of selling a UST, please refer to the links below for the appropriate steps to take to correctly change responsibility to the new and current owner of the UST system. It is important to update this information as quickly as possible, so our records correctly reflect the personnel that are legally responsible for the UST system.
Install, return-to-service or retrofit a tank
Prior to the installation, return-to-service, or retrofit of an underground storage tank, please refer to the links below to begin the process. Please note that a notice to install an underground storage tank must be submitted 30 days prior to the start of the installation work.
Decommission, modify, or repair a tank
Note: a notification of work must be submitted 30 days prior to the start of decommissioning or change in service for any UST.
- Decommissioning Cover Letter
- The following forms are now available through Your DEQ Online. Please visit this web page for information about how to use the new system.
- 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