UST Forms and Lists


Registration of UST Facilities (PDF format) Revised January 2019. See also:

Notification of Temporarily Out-Of-Service Tank(s) (PDF format) Revised February 2018 - If you are taking your tank out-of-service, you must complete and submit this notification form to the Department.

Return to Service Request for Out-of-Service Tanks (PDF format) Revised February 2018 - If you are returning your tank to service, you must complete and submit this notification form to the Department.

Notice of Intent to Remove an Underground Oil Storage Facility (PDF format) Revised April 2018

Chapter 691 Summary Cover Sheet for Underground Oil Storage Facility Site Assessment (PDF format) Revised September 2018

Modified Site Assessment for Replacement of Flexible Primary Product Piping without Excavation (PDF format) Revised July 2016

Certification of Inerting or Purging of Removed Underground Gasoline Tank (PDF format) Revised February 2018

Change of Ownership (PDF format) Revised April 2017 - If you are a new owner of a UST facility, you must complete and submit this notification form to the Department within 10 days of the date of transfer.

Annual Inspection (PDF format) (MS Excel) Revised March 2018 - Annual UST inspection results must be submitted on this form.

Sump Tightness Testing (PDF format) (MS Excel) - Use this form to document sump tightness testing for Triennial testing, double-walled tank warranty extensions (with the extension registration) and any other sump testing.

Weekly Facility Walk-Through Inspection Checklist (PDF format) Revised November 2017

Daily Inventory (PDF format) Revised December 2016 - Use for only single-walled motor fuel UST facilities or double-walled manually monitored facilities. Instructions included. Daily Inventory Calculator (MS Excel) - This spreadsheet may be used to calculate monthly overages and shortages instead of using the "print and fill-in" PDF version.

ATG Set-Up (MS Word) (PDF format) Revised March 2014 - Circumstances under which a tank owner may use an ATG in lieu of keeping daily product inventory and doing an annual Statistical Inventory Analysis.

Safe Suction Piping Validation - (PDF format) October 2016

Spill Log - (PDF format) Revised February 2018 - Log sheet for spill less than 10 gallons that occur on concrete or pavement and are properly cleaned up.

GW Monitoring Well Log (PDF format) Revised February 2018 - Groundwater Monitoring Well Log - Used only for single-walled consumptive use heating oil tanks.

Interstitial Monitoring Log (PDF format) Revised February 2018- Used only for double-walled tanks or piping installed prior to 1991 as part of the leak detection system if electronic monitoring was not installed.

Alarm Console Log (PDF format) Revised April 2012 - Used to manually record weekly checks of the facility’s alarm console.


Active and Out of Service Underground Oil Storage Tanks (PDF format) (updated monthly)

Firms Accepting New Clients for Underground Annual Tank Inspections (PDF format) Revised January 2020

Maine Certified Underground Storage Tank Installers and Inspectors

Non-Conforming Tanks Report (PDF format) - Tanks that cannot have oil delivered to them.

Precision Tank Testing Companies (PDF format)

Precision Tank Testing Companies for Underground Tanks with Suction Piping Systems(PDF format)

Registered Underground Oil Storage Tanks (PDF format) (updated monthly)

Site Assessors (PDF format) Revised May 2016

Tank Installation Date & Material (PDF format) (updated monthly)

Vendors for Monthly Statistical Inventory Reconciliation (PDF format)

Double-walled Spill Buckets Dimensions (PDF format)

Downloadable Tables from Tanks and HOSS Databases