Underground Storage Tank (UST) Operator Certification
Required for operators of underground storage tanks containing petroleum or hazardous substances in Wisconsin. Federal EPA regulations require three classes of trained operators for every UST facility.
How to Get a Underground Storage Tank (UST) Operator Certification in Wisconsin
| Issuing Body | WI DATCP |
| Initial Fee | $0 |
| Exam Required | Yes — Must pass the appropriate operator training exam (Class A, Class B, or Class C) through a DATCP-approved provider. Online and in-person options available. |
| Experience Required | No prior experience required. Training programs are designed to teach all necessary knowledge for the appropriate operator class. |
| Application | Apply online → |
License Lookup & Verification
Verify a underground storage tank (ust) operator certification holder's credentials through the Wisconsin DSPS online license lookup tool.
Verify a License →Frequently Asked Questions — Underground Storage Tank (UST) Operator Certification
What are the three classes of UST operators in Wisconsin?
Class A operators have primary compliance responsibility. Class B operators implement day-to-day operation and maintenance. Class C operators are on-site employees who monitor for releases during fueling. Every UST facility must designate at least one of each class.
How much does UST operator certification cost?
The state certification itself is free. However, approved training courses typically cost $25-$150 depending on the class level and provider. Many petroleum industry associations offer discounted training to members.
Who regulates underground storage tanks in Wisconsin?
The Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) administers the UST program, including operator training, tank registration, and financial responsibility requirements. The DNR handles cleanup of releases from USTs.
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