About Us

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.
  • Contractors / Installers
  • Regulators
  • Inspectors
  • Consultants
  • Engineers / System Designers
  • Other professionals
  • General public
DMACC congratulates Dennis Hayworth on his retirement and welcomes Craig Hennager.
Craig Hennager, the new Water Environmental Technology (WET) Training Coordinator. Craig coordinates non-credit CEU training for water/wastewater operations.

Craig manages the WET program which offers career paths for water professionals to obtain and retain their professional certifications. www.waterandwastewateroperatortraining.com

Craig also handles the Onsite Wastewater Training Center of Iowa which provides onsite training for county environmental health specialists, septic system installers, Time of Transfer Inspectors, pumpers and design professionals. www.wastewatertraining.com

Craig has a B.A. in Business Management, a Grade III in Wastewater Treatment, Grade II in Water Treatment and a Grade II in Distribution Systems.