These forms, fact sheets, and other documents provide compliance and guidance information for underground and aboveground storage tank systems in Minnesota. For additional information or assistance, contact the MPCA Information Line at 651-296-6300 or 800-657-3864.
Underground storage tanks (UST) fact sheets
Contractor certification
Training: Underground tank contractor certification class (Riverland College)- Training: Underground tank contractor re-certification class (Riverland College)
Contractor Certification Initial / Upgrade / Renewal Application (t-u4-10)- Supervisor Certification Initial / Upgrade / Renewal Application (t-u4-12)
How to Become a Certified Underground Storage Tank Supervisor and Contractor in Minnesota- UST Agency-approved tester application (t-u5-27)
Installation and closure
- Minimum requirements for new and replacement underground storage tank (UST) systems (t-u2-01)
- Selecting a Certified Contractor (t-u1-11)
- Temporary and permanent closure of underground storage tanks (t-u1-38)
- Planning ahead for an underground storage tank removal (t-u2-20)
- Site assessment for underground storage tanks with no apparent contamination (t-u2-11)
- Ten-day Advance Notice - Installation, Closure, Lining Inspection (t-u5-02)
- UST Notification form (t-u5-04a)
- UST Change in status form (t-u5-04b)
- Application for Extension of Temporary Closure of Underground Storage Tanks (t-u5-07)
Design and operation
- UST liquid sensor inspection form (t-u5-13)
- UST automatic tank gauge inspection form (t-u5-14)
- UST shear valve inspection form (t-u5-15)
- UST secondary containment sump annual inspection form (t-u5-17)
- UST overfill alarm inspection form (t-u5-18)
- UST overfill equipment inspection form (t-u5-19)
- UST emergency stop switch inspection form (t-u5-20)
- UST manual tank gauging form (t-u5-08)
- Automatic Tank Gauging for Underground Storage Tanks (t-u3-03)
- Biofuel compatibility with underground storage tanks (t-u1-26)
- Cathodic protection of underground storage tank systems (t-u3-27)
- UST cathodic protection system evaluation Galvanic (Sacrificial Anode) type (t-u5-05)
- Cathodic Protection System Evaluation – Impressed Current Type (t-u5-06)
- Compatibility Considerations for UST Systems (ASTSWMO)
- Inspection of internally lined underground storage tanks (t-u3-28)
- Leak Detection for Underground Storage Tanks Pressure Piping (t-u3-12)
- Leak Detection for Underground Storage Tanks Suction Piping (t-u3-13)
- Secondary containment of underground storage tank systems (t-u3-19)
- Stage 1 Vapor Recovery Requirements for USTs (revised March 2006)
- Statistical Inventory Reconciliation (SIR) for Underground Tanks and Piping (t-u3-26)
- Tightness Testing for Underground Storage Tanks (t-u3-21)
- Monthly walkthrough inspection form (t-u5-16)
General requirements
- Underground Storage Tanks in Minnesota: Answers to commonly asked questions (t-u1-02)
- What tank owners need to know about the new UST rules (t-u1-19)
- What tank contractors need to know about the new UST rules (t-u1-20)
- Heating Oil Underground Storage Tanks (t-u1-08)
- Underground Storage Tanks: Are You Doing the Big Five?
- Record keeping Requirements for Underground Storage Tanks (t-u1-10)
- Cathodic Protection Guidance Manual
- Compatibility Form (t-u5-09)
Other
- Preparing your Underground Storage Tank for a Flood (t-u1-16)
- Questions and Answers about the Environmental Audit Program (revised 2004)
- Spill Prevention for Your Residential Heating Oil Tank (revised October 2004)
Aboveground storage tanks (AST) fact sheets
Inspection
- List of Companies that Provide API 653 Inspection Services (revised Sept. 2013)
- Compliance calendar: Aboveground storage tanks (p-sbap5-01)
- API 653 Inspection Frequency (October 2008)
Requirements
- Asphalt Cement Aboveground Storage Tanks(revised 12/08)
- AST General Requirements (revised 4/04)
Aboveground Storage Tanks Program: Notification of Installation or Change in Status Form (revised 2/17)- AST Using Concrete for an Impermeable Seal (revised 2/98)
- Corrosion Protection for Aboveground Storage Tanks (revised 4/04)
- Indoor Storage Tanks (revised 12/08)
- Major facility requirements: Capacity greater than 1 million gallons (t-a3-01) (revised 5/20)
- Monitoring Requirements for Aboveground Storage Tanks (revised 4/04)
- Other Regulated Substance Requirements for Aboveground Storage Tanks (revised 4/04)
- Out-of-Service Tank Systems (revised 4/04)
- Overfill Protection Requirements (revised 4/04)
- Permeability Testing for Secondary Containment Areas (revised 4/04)
- Petroleum Product Delivery Law (revised 4/04)
- Record-Keeping Requirements (revised 4/04)
- Secondary Containment for Aboveground Storage Tanks (revised 12/08)
- Small Tanks Near Surface Water (revised 4/04)
- Spill prevention and planning (c-er1-02)
- Substance Transfer Area Requirements (revised 4/04)
- Temporary Tank Requirements (revised 4/04)
- Tote Tank Requirements (revised 4/04)
- Changes to Requirements for Re-issued Permits