WA8,200 active USTs
Washington Gas Station Compliance Guide
Everything fuel station operators in Washington need to know about UST compliance, managed by the Washington Dept. of Ecology.
State Agency
Washington Dept. of Ecology
Ecology 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 |
Washington State Requirements
| Requirement | Deadline | Frequency | Penalty |
|---|---|---|---|
| UST Notification | Prior to installation | One-time | $10,000/day |
| Annual Compliance Inspection | Annually | Annual | $10,000/day |
| Release Detection | Monthly | Monthly | $10,000/day |
Penalties & Enforcement
Max Daily Penalty
$10,000
Max Per Violation
$25,000
Criminal Penalties
Yes
Cleanup Fund
Pollution Liability Insurance Agency (PLIA)
Coverage Limit
$1,500,000
Deductible
$10,000
Eligible
Yes
Washington uses an insurance-based model through PLIA.
Operator Training
Class A
Required
Class B
Required
Class C
Required
Online Accepted
Yes
Refresher interval: 3 years
Approved providers: Ecology-approved
Registration & Fees
Annual Tank Fee
$200/tank
Registration Fee
$100
Late Penalty
$200/month
Find a UST Inspector
Disclaimer: This guide is based on published Washington regulations. Requirements change — always verify current obligations with the Ecology.