The Electronic Safety and Licensing Application (eSLA) is now live for Soil Tester. Public Lookup is also live for this credential. Visit
the Customer Information page for instructions on first-time login, and to view the full list of program areas in eSLA.
esla.wi.gov to get started.
Wis. Admin. Code § SPS 305.33, no person may conduct soil evaluations relative to the discharge or disposal of liquid domestic wastes into the soil unless the person holds a certification issued by the Department as a certified Soil Tester.
A certified Soil Tester who, as an employee of a local governmental unit, is responsible for administering regulations governing private onsite wastewater treatment systems may not provide soil evaluations relative to the design, installation or maintenance of private onsite wastewater treatment systems within the boundaries of the local governmental unit and adjacent local governmental units.
Application for Licensure
3099||Application for Soil Tester Certification|
3073||Trades Payment Form|
Reinstate a Soil Tester Certification that has been Expired more than 4 Years
Submit an application, supporting documentation and fee:
Application for Soil Tester Certification (Form #3099)
$135.00 total fee ($35.00 application fee, $75.00 exam fee, and $25.00 late renewal fee)