Onsite Wastewater Training

​​​​​​Find Upcoming Classes​​​


​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​The Onsite Wastewater Training Center of Iowa was established to educate and train people involved in the construction, operation and management of onsite wastewater treatment systems.

Located at the DMACC Ankeny campus, the Training Center includes numerous displays of onsite wastewater technology. Training is also provided at various other statewide locations throughout the year. Onsite wastewater training is designed for county sanitarians, se​ptic system installers, pumpers and designers, but is open to everyone.  This website is a central source of information for training, workshops, conferences, new regulations and other resources related to onsite wastewater treatment systems.

Requirements for Online Classes: Computer or Tablet​ or Smart Phone,  Internet Connection, Camera/Webcam, Microphone, and speakers​

Anyone interested in becoming a certified time of transfer inspector must complete the application form on the Iowa DNR website. Once your application is approved by the Iowa DNR​, you must sign up for and complete the Time of Transfer Inspector Certification Class(es) offered by DMACC or by calling DMACC at 515-964-6800 or 800-342-0033.​​​​​

Regist​er Online ​N​ow or call 515-964-6800 to register by phone.​​


Upcoming Classes


Click on any class below for more information and how to register.


for Time of Transfer
(March 31, 2024)


To protect and enhance the ground and surface water resources of Iowa by providing current information and training by technical experts on onsite wastewater management systems.

Who We Serve

  • Contractors/Installers
  • Regulators
  • Inspectors
  • Consultants
  • Engineers/System Designers 
  • Other Professionals