CT5,200 active USTs
Connecticut Gas Station Compliance Guide
Everything fuel station operators in Connecticut need to know about UST compliance, managed by the Connecticut Dept. of Energy & Environmental Protection.
State Agency
Connecticut Dept. of Energy & Environmental Protection
DEEP UST Program
Compliance Deadlines
Federal EPA Requirements
| Requirement | Deadline | Penalty | CFR |
|---|---|---|---|
| Monthly Release Detection | Ongoing — monthly | $11,524/day | 40 CFR 280.41 |
| Annual Walkthrough Inspection | Annually by Oct 13 | $59,017/day | 40 CFR 280.36 |
| Operator Training (Class A/B/C) | Within 30 days of designation | $25,000 | 40 CFR 280.242 |
| Financial Responsibility | Continuous | $11,524/day | 40 CFR 280.90 |
| Spill/Overfill Prevention Equipment | Required at all UST systems | $59,017/day | 40 CFR 280.30 |
| Corrosion Protection Testing | Every 3 years (impressed current) / 5 years (other) | $11,524/day | 40 CFR 280.31 |
| Release Reporting | Within 24 hours of discovery | $59,017/day | 40 CFR 280.50 |
| UST Registration/Notification | Within 30 days of installation | $11,524/day | 40 CFR 280.22 |
Connecticut State Requirements
| Requirement | Deadline | Frequency | Penalty |
|---|---|---|---|
| Registration Renewal | Annually | Annual | $1,000/day |
| Release Detection | Monthly | Monthly | $1,000/day |
| Tightness Testing | Every 5 years | 5 years | $1,000/day |
Penalties & Enforcement
Max Daily Penalty
$1,000
Max Per Violation
$25,000
Criminal Penalties
Yes
Cleanup Fund
Underground Storage Tank Petroleum Cleanup Account
Coverage Limit
$1,000,000
Deductible
$20,000
Eligible
Yes
Operator Training
Class A
Required
Class B
Required
Class C
Required
Online Accepted
Yes
Refresher interval: 3 years
Approved providers: DEEP-approved
Registration & Fees
Annual Tank Fee
$200/tank
Registration Fee
$100
Late Penalty
$200/month
Find a UST Inspector
Third-party inspectors accepted
Find Inspectors →Disclaimer: This guide is based on published Connecticut regulations. Requirements change — always verify current obligations with the DEEP.