The forms, fact sheets, and other documents below 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- Supervisor Certification Initial / Upgrade / Renewal Application
How to Become a Certified Underground Storage Tank Supervisor and Contractor in Minnesota
Installation and closure
- Minimum Requirements for New and Replacement Underground Storage Tank (UST) Systems (revised March 2008)
- Selecting a Certified Contractor
- Temporary and Permanent Closure of Underground Storage Tanks (Revised Dec. 2008)
- Planning Ahead for an Underground Storage Tank Removal (revised Dec. 2008)
- Site Assessment for Underground Storage Tanks With No Apparent Contamination
- 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(May 2009)
Design and operation
- Automatic Tank Gauging for Underground Storage Tanks
- Biofuel compatibility with underground storage tanks
- Cathodic protection of underground storage tank systems (t-u3-27)
- Cathodic Protection System Evaluation – Sacrificial Anode (Galvanic) Type
- Cathodic Protection System Evaluation – Impressed Current Type
- Compatibility of UST Systems with Biofuels (ASTSWMO)
- Inspection of Internally Lined Underground Storage Tanks
- Inventory Control for Underground Storage Tanks (t-u3-20)
- Leak Detection for Underground Storage Tanks Pressurized Piping(t-u3-12)
- Leak Detection for Underground Storage Tanks Suction Piping (t-u3-13)
- Secondary Containment and Interstitial Monitoring for Underground Storage Tank Systems (t-u3-19)
- Stage 1 Vapor Recovery Requirements for USTs (revised Mar. 06)
- Statistical Inventory Reconciliation (SIR) for Underground Tanks and Piping
- Tank Tightness Testing for Underground Storage Tanks (t-u3-21)
- Third option to demonstrate biofuel compatibility with underground storage tanks
- Monthly walkthrough inspection form (t-u5-16)
General requirements
- Underground Storage Tanks in Minnesota Manual
- What Tank Owners Need to Know about the Underground Storage Tanks Rules (t-u1-19)
- What Tank Contractors Need to Know about the Underground Storage Tanks Rules (t-u1-20)
- Emergency Generator Underground Storage Tank Requirements (t-u1-18)
- Heating Oil Underground Storage Tanks
- Underground Storage Tanks: Are You Doing the Big Five?
- Recordkeeping Requirements for Underground Storage Tanks (t-u1-10, pending)
- Cathodic Protection Guidance Manual
- Compatibility Form
Other
- Preparing Your Underground Storage Tank for a Flood (revised 2006)
- 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) (revised 4/04)
- 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 Response Plan Outline (AST <10,000 gal.) (revised 2/98)
- 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