You have

601 days

to recertify

for Time of Transfer

(March 31, 2022)

Due to the COVID-19 (Coronavirus) pandemic, all DMACC Continuing Education courses are suspended through at least April 13, 2020. DMACC staff are working remotely through April 13 - please reach out if you need assistance or have questions. 

For more information about DMACC's COVID-19 response, please visit

 When providing your information, please provide your actual personal information, in order for us to create your student profile and for you to recieve the credits as well as notifications for any cancellations / changes that may occur.

        If a company is paying for you to take a course, please still put in your own information, then select the tab issuing that you are using a company card to pay. 

Thank you!


2019-2020 Workshops

The full schedule for all Fall and Spring Workshops are attached to each class at the bottom of their discription.


For more information or questions, please contact Craig Hennager at 


Call: 515-964-6818

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.


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
  • General Public
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, septic 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.