Storage Tanks for Flammable and Combustible Liquids

For an Existing Project

To check the status of an existing project

To file an Addendum to an existing project - Addendum Application

To file a project electronicallyNOTE - This is the PREFERRED Filing Method    
For a New Project

Step 1 - The Application

  • To file a project electronically NOTE: This is the PREFERRED Filing Method
  • Application for Storage Facilities for Flammable and Combustible Liquids and Gases
    Complete above form and be sure to include all of the information requested in:
    • Firm or owner information (certificate)
    • Installation location
    • Submitted by (provide email address using comments section on page 2.) (For underground storage tanks only, be sure to include installer's certification number.)
    • Installation information (be sure to include number of tanks with their Underwriter Laboratory listing and number of dispensers.)

Step 2 - The Fees

The fees are based upon the number of tanks plus the one-time project processing fee. For Example:

  • $240.00 (3) tanks ($80.00 per tank)
  • $75.00 filing fee (per project)
  • $315.00 total
  • Local inspection fee may apply – in areas that do not have a local inspection program

What is a local inspection fee?

  • A local inspection fee is due when a local inspection program is not available in the area you are providing your service. A State Inspector would be sent to provide this service. In this case, no other permit would be required.
  • View local inspection fee requirements
  • Note: If required, the local inspection fee will be $200.00.

Step 3 - The Plans

Provide a “site” plan, showing:

  • Dimensioned location of all tanks to all property lines, buildings, and other tanks.
  • Dimensioned location of pumps, dispensers, and all other related equipment to all property lines and buildings.
  • Location, type and sizing of all piping, valves
  • Sections Showing:
    • The depth below ground
    • Type of covering over the tanks (such as earth, concrete or asphalt, including thicknesses)
    • Supports, saddles, straps and other related material used to secure, anchor or support the tanks

For ASTs, diking is required unless the tank is an approved, listed double-walled tank.
Would you like to expedite your project?

Note: The fee to expedite is $5,000.00 in addition to the required standard fees indicated in Step 2 above.

  • File your project online and after a successful submission, send an email to the IDHS plan review staff at and request that your project be expedited. The email should include the project number assigned to your filing.
  • Paper filing – mailed in or walk in - you should contact the plan review branch prior to submitting and request an expedited plan review. You will need provide us the project scope of work or work description to help us determine if the proposed work can be expedited.

Filing Requirements for Aboveground/Underground Storage Tank Presentation

For general questions call 317-232-6422