AZ7,200 active USTs
Arizona Gas Station Compliance Guide
Everything fuel station operators in Arizona need to know about UST compliance, managed by the Arizona Dept. of Environmental Quality.
State Agency
Arizona Dept. of Environmental Quality
ADEQ 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 |
Arizona State Requirements
| Requirement | Deadline | Frequency | Penalty |
|---|---|---|---|
| Tank Registration | Prior to operation | One-time | $2,500/day |
| Annual UST Fee | Annually by Jan 1 | Annual | Late fee |
| Compliance Inspection | Every 3 years | 3 years | $2,500/day |
| Release Detection | Monthly | Monthly | $2,500/day |
Penalties & Enforcement
Max Daily Penalty
$2,500
Max Per Violation
$10,000
Criminal Penalties
Yes
Criminal penalties for willful violations.
Cleanup Fund
Arizona State Assurance Fund
Coverage Limit
$1,000,000
Deductible
$50,000
Eligible
Yes
Covers cleanup for eligible UST releases. Fund has significant backlog.
Operator Training
Class A
Required
Class B
Required
Class C
Required
Online Accepted
Yes
Refresher interval: 3 years
Approved providers: ADEQ-approved providers
All classes can be completed online.
Registration & Fees
Annual Tank Fee
$150/tank
Registration Fee
$100
Late Penalty
$100/month
Find a UST Inspector
Disclaimer: This guide is based on published Arizona regulations. Requirements change — always verify current obligations with the ADEQ.