Now Live for Trades Credentials and Renewals!
All initial, reinstatement, and renewal applications for a Trades credential must now be made through
LicensE, your online, self-guided licensing platform.
- To apply for a license or renew your license, go to license.wi.gov.
- For those renewing in LicensE for the first time or looking for more information about LicensE, including exams, refer to the “Trades LicensE Information" document.
- Please review the
LicensE Applicant User Guide for help.
- If you are having trouble with anything, please submit a support ticket at this link. Please provide complete contact information and a detailed description of the issue you are experiencing.
We are transitioning our forms to an online platform, AccessGov, that meets Americans with Disabilities Act (ADA) guidance. You will be able to submit some forms directly within the platform, while some may require you to download as a PDF and upload to another system. As of May 6th, 2026, all forms must be completed using the AccessGov system. Please follow the instructions on each form to ensure proper submission.
License Information
Per
Wis. Admin. Code § SPS 305.36, a person who holds a POWTS Maintainer registration may evaluate, monitor and maintain POWTS components for the purpose of providing the management of a POWTS under Wis. Admin. Code § SPS 383.
Pre-Credential Education Information
If applying by Method A, a person applying for a POWTS Maintainer certification shall have completed at least 6 hours in an approved course or courses that relate to the theory, operation, testing, maintenance, and inspection of POWTS treatment and dispersal components including instruction on all of the following:
-
Sand filters
-
Effluent pumps and switches
-
Alarms and floats
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Active filtration devices
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Valves and solenoids for distributing effluent
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Aerobic treatment units
Providers that have an Approved POWTS Maintainer Course
Course Name
| Hours | Course Provider | Contact Information |
|---|
| Qualifier - Inspection of Multi-Flo | 1.5 | Multi-Flo Wisconsin |
(608) 751-2884 |
Qualifier - Maintaining Multi-Flo
| 8.0 | Multi-Flo Wisconsin | (608) 751-2884 |
| Qualifier - Multi-Flo Installations | 1.5 | Multi-Flo Wisconsin |
(608) 751-2884 |
Qualifier - Excavations Competent Person Workshop
| 6.0 | Advanced Safety Technology Inc. | (262) 796-8605 |
| Qualifier - Fundamentals of Aerobic Waste Treatment | 8.0 | Multi-Flo Wisconsin | (608) 751-2884 |
| Qualifier - Aerobic Treatment | 1.0 | Multi-Flo Wisconsin | (608) 751-2884 |
| CST & Plumbing Seminar | 6.5 | Five County Sanitation Department | (715) 284-0220 |
| Sand Filter Quiz 153 | 12.0 | Gary Klinka Building Inspection | (920) 740-6723 |
| Sand Filter Quiz Part 1 | 6.0 | Gary Klinka Building Inspection | (920) 740-6723![]( "Call: (920) 740-6723") |
Sand Filter Quiz Part 2
| 6.0 | Gary Klinka Building Inspection | (920) 740-6723![]( "Call: (920) 740-6723") |
POWTS Maintainer Qualifier
| 6.0
| The Septic Girl
| 715-403-0726 |
| Qualifier POWTS Maintainer | 6.0 | Lake Shore Burial Vault Co. | (262) 781-6262 |
Septic System Training
| 8.0 | First Supply Co. Eau Claire | (715) 832-6638
|
Installation and Troubleshooting Septic Systems
| 6.0
| First Supply Co. Eau Claire
| (715) 832-6638
|
POWTS Maintainer Qualifier
| 6.0
| The Septic Girl
| 715-403-0726
|
Application Information
Form
| Description |
|---|
| 3136 | POWTS Maintainer Registration Application Information (includes Form 3136T)
|
3198
| Trades LicensE Information
|
2255
| Trades Convictions and Pending Charges (if applicable)
|