Checklist template

Underground storage tank compliance inspection

A ready-to-use checklist with 109 items in 6 sections, covering Leak detection, Spill buckets, Overfill protection, Sumps, Corrosion protection, Records. Use it as-is in InspectLoop, or adapt it to your own standards in minutes.

  • 6 Sections
  • 109 Items
  • 86 Yes / No checks
  • 5 Scored ratings
  • 111 Points

Use this template How audits work

1. Leak detection 20 items

  1. Underground storage tanks in service at the site Number
  2. Primary leak detection method for the tanks Choice
    • Automatic tank gauge
    • Interstitial monitoring
    • Statistical inventory reconciliation
    • Other method
  3. The automatic tank gauge console is powered on Yes / No 1 pt
  4. The console shows no active alarm or warning Yes / No 1 pt
  5. A passing leak test result is on file for every tank for each monitoring period of the last 12 months Yes / No 1 pt
  6. The latest leak test of each tank was run at the frequency required by local regulation Yes / No 1 pt
  7. Date of the latest passing leak test report Date
  8. Each alarm in the console's alarm history has a written note of its cause and the action taken Yes / No 1 pt
  9. Interstitial sensors of double-wall tanks report "normal" on the console Yes / No 1 pt
  10. The brine level of a wet interstitial space is within its marked range Yes / No 1 pt
  11. Every pressurized product line has a line leak detector Yes / No 1 pt
  12. Mechanical line leak detectors were tested within the interval required by local regulation Yes / No 1 pt
  13. Electronic line leak detectors show a passing line test at the required frequency Yes / No 1 pt
  14. Tank gauge probes and sensors were function-tested by a technician within the interval required by local regulation Yes / No 1 pt
  15. Date of the last function test of leak detection equipment Date
  16. The console's audible alarm sounds when tested Yes / No 1 pt
  17. The console's alarm light is visible to employees Yes / No 1 pt
  18. A posted instruction tells employees whom to call when the console alarms Yes / No 1 pt
  19. Employees do not silence an alarm without recording it in the alarm log Yes / No 1 pt
  20. Status of leak detection Rating
    • Passing results for every period and no open alarm 5 pts
    • Passing but with gaps in the records 3 pts
    • Failed, missing or alarm unresolved 1 pt

2. Spill buckets 18 items

  1. Every fill pipe has a spill bucket Yes / No 1 pt
  2. Each spill bucket is free of fuel Yes / No 1 pt
  3. Each spill bucket is free of water Yes / No 1 pt
  4. Each spill bucket is free of dirt and debris Yes / No 1 pt
  5. Spill bucket walls and floors show no cracks or holes Yes / No 1 pt
  6. The bellows of each spill bucket is not torn or pulled away from the fill pipe Yes / No 1 pt
  7. The drain valve of each spill bucket closes fully Yes / No 1 pt
  8. Spill bucket lids are in place and seal against rainwater Yes / No 1 pt
  9. Lids are color-coded or labeled with the product stored Yes / No 1 pt
  10. Fill caps seal tightly, with the gasket in place Yes / No 1 pt
  11. The fill adapter is tight on the riser Yes / No 1 pt
  12. Liquid found in a spill bucket is removed with a pump or absorbent and disposed of as fuel-contaminated waste Yes / No 1 pt
  13. Spill buckets were tested for tightness within the interval required by local regulation Yes / No 1 pt
  14. Date of the last spill bucket tightness test Date
  15. Double-wall spill buckets show no liquid in the interstitial gauge Yes / No 1 pt
  16. Vapor recovery spill buckets are free of liquid and debris Yes / No 1 pt
  17. Spill buckets found holding liquid during the visit Number
  18. Condition of spill buckets Rating
    • Clean, dry and intact 5 pts
    • Liquid or debris present, bucket intact 3 pts
    • Cracked, torn or not liquid-tight 1 pt

3. Overfill protection 18 items

  1. Overfill prevention device installed Choice
    • Automatic shut-off (flapper) valve in the drop tube
    • Overfill alarm
    • Ball float vent valve
  2. Every tank has an overfill prevention device Yes / No 1 pt
  3. The overfill device was inspected within the interval required by local regulation Yes / No 1 pt
  4. Date of the last overfill prevention inspection Date
  5. The inspection report states that the device activates at the correct tank level Yes / No 1 pt
  6. The outdoor overfill alarm is mounted where the delivery driver can see it from the fill points Yes / No 1 pt
  7. The outdoor overfill alarm is mounted where the delivery driver can hear it from the fill points Yes / No 1 pt
  8. The overfill alarm sounded when tested from the console Yes / No 1 pt
  9. A sign at the alarm tells the driver to stop the delivery when it activates Yes / No 1 pt
  10. Drop tubes are in place in every fill pipe Yes / No 1 pt
  11. No stick, tool or object is lodged in a drop tube to defeat the shut-off valve Yes / No 1 pt
  12. The employee asked knows that a sounding overfill alarm means the delivery stops, and whom to call Yes / No 1 pt
  13. Records of the last 3 deliveries show the room available in each tank written down before the drop Yes / No 1 pt
  14. A current tank chart for each tank is kept at the site Yes / No 1 pt
  15. The employee asked confirmed that drivers stay at the fill points for the whole drop Yes / No 1 pt
  16. Vent pipe caps are in place Yes / No 1 pt
  17. Pressure/vacuum vent valves were tested where vapor recovery rules require it Yes / No 1 pt
  18. Overfill prevention Rating
    • Device tested and tank room confirmed before each drop 5 pts
    • Device in place, checks not recorded 3 pts
    • Device missing, failed or defeated 1 pt

4. Sumps 21 items

  1. Submersible pump sumps on site Number
  2. Each submersible pump sump was opened for this inspection Yes / No 1 pt
  3. Each submersible pump sump is free of fuel Yes / No 1 pt
  4. Each submersible pump sump is free of water Yes / No 1 pt
  5. Sump lids and gaskets are intact Yes / No 1 pt
  6. Sump walls show no cracks Yes / No 1 pt
  7. Pipe and conduit entry boots in the sump walls are not torn or split Yes / No 1 pt
  8. Test boots on double-wall piping are positioned as the installer's instructions require Yes / No 1 pt
  9. The sump sensor sits at the lowest point of each sump Yes / No 1 pt
  10. No sump sensor has been raised or tied up above the sump floor Yes / No 1 pt
  11. A sump sensor tested during the visit raised an alarm on the console Yes / No 1 pt
  12. Flexible connectors in the sumps show no weeping or bulging Yes / No 1 pt
  13. Metal fittings in the sumps are not in contact with soil or standing water Yes / No 1 pt
  14. The containment under every dispenser was opened for this inspection Yes / No 1 pt
  15. The containment under every dispenser is free of fuel Yes / No 1 pt
  16. The containment under every dispenser is free of water Yes / No 1 pt
  17. Dispenser fittings, meters and filters above the containment show no drips Yes / No 1 pt
  18. Containment sumps were tested for tightness within the interval required by local regulation Yes / No 1 pt
  19. Date of the last containment sump tightness test Date
  20. Sumps or dispenser containments found holding liquid during the visit Number
  21. Condition of sumps and under-dispenser containment Rating
    • Dry, tight and sensors correctly placed 5 pts
    • Water present or housekeeping needed 3 pts
    • Fuel present, damaged or sensor defeated 1 pt

5. Corrosion protection 15 items

  1. Tank construction Choice
    • Fiberglass or jacketed
    • Steel with sacrificial anodes
    • Steel with impressed current
    • Internally lined steel
  2. The corrosion protection method of each tank is identified in the site records Yes / No 1 pt
  3. The corrosion protection method of the piping is identified in the site records Yes / No 1 pt
  4. The impressed current rectifier is switched on Yes / No 1 pt
  5. Rectifier voltage and amperage readings are logged at the frequency required by local regulation Yes / No 1 pt
  6. Rectifier voltage reading at the time of the visit (volts) Number
  7. Rectifier amperage reading at the time of the visit (amps) Number
  8. Current readings are within the range set by the corrosion specialist Yes / No 1 pt
  9. The rectifier is on a dedicated circuit that is not switched off with the site lighting Yes / No 1 pt
  10. The cathodic protection system was tested by a qualified tester within the interval required by local regulation Yes / No 1 pt
  11. Date of the last cathodic protection test Date
  12. The last cathodic protection test passed Yes / No 1 pt
  13. Repairs recommended in the last cathodic protection report were completed Yes / No 1 pt
  14. The last cathodic protection report gives a reading for every steel tank and every metal product line Yes / No 1 pt
  15. An internally lined tank was inspected at the interval required by local regulation Yes / No 1 pt

6. Records 17 items

  1. The tank registration or operating permit is current Yes / No 1 pt
  2. The permit or registration certificate is posted or on file at the site Yes / No 1 pt
  3. Proof of financial responsibility (insurance or other mechanism) is on file Yes / No 1 pt
  4. The designated tank operators are named in the site records Yes / No 1 pt
  5. Operator training certificates are on file for each class of operator required Yes / No 1 pt
  6. An employee trained to respond to alarms and spills is on site during every hour of operation Yes / No 1 pt
  7. Walkthrough inspections are recorded at the frequency required by local regulation Yes / No 1 pt
  8. Date of the last recorded walkthrough inspection Date
  9. Leak detection records are kept for at least the period required by local regulation Yes / No 1 pt
  10. Test reports for spill, overfill and containment equipment are filed by date Yes / No 1 pt
  11. Repair records show the tightness test that followed each repair to the tank system Yes / No 1 pt
  12. Compatibility of the tank system with the fuels stored (ethanol or biodiesel blends) is documented Yes / No 1 pt
  13. Findings from the last regulator inspection have been corrected Yes / No 1 pt
  14. Release reporting phone numbers are posted at the console Yes / No 1 pt
  15. Name of the designated tank operator Short text
  16. Overall compliance of the tank system Rating
    • Compliant 5 pts
    • Minor gaps in records or housekeeping 3 pts
    • Equipment or testing deficiencies 1 pt
  17. Deficiencies found and corrective actions Comments

About this template

This checklist is part of the InspectLoop template library. Yes / No checks score 1 point when met; ratings score the points shown for each option. The overall score is the percentage of points earned, with N/A answers excluded. In InspectLoop you can add photos, assign corrective actions, require sign-off and compare results across sites.

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