POWTS Maintainer

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
  • Active filtration devices
  • Valves and solenoids for distributing effluent
  • Aerobic treatment units

Providers that have an Approved POWTS Maintainer Course

Course​​​ Name
Hours​Course Provider​Contact Information
​Qualifier - Inspection of Multi-Flo1.5​Multi-Flo Wisconsin (608) 751-2884
Qualifier - Maintaining Multi-Flo8.0​Multi-Flo Wisconsin(608) 751-2884
Qualifier - Multi-Flo Installations​1.5Multi-Flo Wisconsin (608) 751-2884
​​Qualifier - Excavations Competent Person Workshop​
​6.0Advanced Safety Technology Inc.(262) 796-8605
Qualifier - Fundamentals of Aerobic Waste Treatment8.0Multi-Flo Wisconsin​(608) 751-2884
​​Qualifier - Aerobic Treatment1.0Multi-Flo Wisconsin(608) 751-2884
CST & Plumbing Seminar6.5​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
​Sand Filter Quiz Part 2​6.0​Gary Klinka Building Inspection(920) 740-6723
​​Qualifier POWTS Maintainer​6.0Lake 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​
​First Supply Co. Eau Claire
​(715) 832-6638

Application for License

3136Application for POWTS Maintainer Registration
30​73​Trades Payment Form
Reinstate a POWTS Maintainer Registration that has been Expired more than 4 Years
  1. Complete education or experience requirements (see Form #3136 for more information).
  2. Submit an application, supporting documentation and fee:
    • Application for POWTS Maintainer Registration (Form #3136)
    • $130.00 total fee ($15.00 application fee, $90.00 credential fee, and $25.00 late renewal fee)

Renewal Information


Renewal Methods

Department of Safety and Professional Services

Trades Credentialing Unit
PO Box 78780
Milwaukee, WI  53293-0780

If you have questions regarding your renewal, please email DSPSCredTrades@wisconsin.gov.

When mailing your renewal, please allow up to 21 calendar days [per Wis. Admin. Code SPS 305.04 (1)] from the date your payment is processed to receive an update regarding your renewal.