License Minnesota

Underground Storage Tank (UST) Registration

Minnesota Pollution Control Agency (MPCA)

Agency contact information:

Pollution Control Agency (MPCA), Minnesota
520 Lafayette Rd. N.
St. Paul, MN 55155
(651) 296-6300 or (800) 657-3864
JoAnn Henry
(651) 757-2429


Minnesota Pollution Control Agency  

Underground Storage Tank (UST) Systems

MPCA Online Services

The Minnesota Pollution Control Agency is responsible for administering environmental permitting, compliance/enforcement, remediation and outreach programs to help Minnesota protect its environment.


Minn. Stats. 116.46




Notification/Change in Status for Underground Storage Tanks

Fact sheets available on the MN Pollution Control Agency website, Underground Storage Tank (UST) Systems section at Storage Tank publications.


All regulated UST systems must be registered. A regulated UST system is:

Any one or combination of containers including tanks, vessels, enclosures, or structures used to contain or dispense regulated substances, and the volume which, including the volume of under ground pipes connected to them, is ten percent or more beneath the surface of the ground. Larger than 110 gallons.

Regulated USTs DO NOT include:

-Farm or residential tanks of 1,100 gallons or less capacity storing motor or heating fuel for non-commercial purposes.
-USTs less than 110 gallons capacity.
-Heating oil tanks of 1,100 or less capacity used for consumptive use on the premises where the heating oil is stored.
-Septic tanks.
-Liquid traps or associated gathering lines directly related to oil or gas production and gathering operations.
-Fertilizer tanks.
-LP tanks.
-Propane tanks.


There is no fee for notification.

Period of Issuance:

Registrations are valid until the tank is altered or removed.

Length of Determination Process:

Notifications are effective upon receipt by the Pollution Control Agency.

Other Pertinent Information: