A permit is required from DEQ for the installation or closure of underground storage tanks.

• Installation of leak detection systems including wells or corrosion protection systems requires a permit. 
• Modification, repair, or lining of an existing UST system also requires a permit. 

  Your licensed UST system installer or remover may assist you with obtaining the necessary permit, or you may begin the application process here:

  • How to Submit a Completed Permit Application

  • Critical Installation Requirements

  • Work that Requires a Permit for UST Systems

  • UST System Installation, Modification, Repair and Closure Process

  • UST Permit Applications

  • Found Tanks