Manure Applicator Certification Programs

Participants will receive required training for certification on safety, regulations, nutrient value, and economics of manure management. Specialized training programs are available for commercial, confinement site and dry/solid manure applicators. Visit the Iowa Manure Management Action Group website for more information.

Information and Schedules specific to Grundy County

Commercial Manure Applicator Certification Program

The In-Person Training for 2023 will be announced November/December 2022.

General Information

  • Annual 3-hour Commercial MAC certification is offered state-wide in January, with annual licensing/certification fees due by March 1st (expiration date of previous year's certification). Late fees applied after March 1st.
  • Local training site is the Grundy County Extension Office at 703 F Ave, Suite 1; Grundy Center, IA 50638.
  • Pre-registration is highly encouraged as space is limited to 12 attendees per session. Pre-registration cut-off for Grundy County is typically by 4:00pm the business day prior to a session. Walk-ins on the day of the program will only be accepted if space is available. Register by calling 319-824-6979.
  • There is no cost to Grundy County ISU Extension and Outreach for training, all forms and costs are paid and submitted to the Iowa DNR upon completion of training.
  • If you are unable to attend any of the scheduled dates for continuing instruction courses, please contact Grundy County Extension to set up a re-show appointment.
  • Additional information about Commercial Continuing Instruction courses can be found through the Pesticide Safety Education Program link above or by contacting Grundy County ISU Extension and Outreach at 319-824-6979.
  • The DNR also offers E-learning for individuals in both Commercial and Confinement Applicators.
Confinement Site Manure Applicator Certification Program

The In-Person Training for 2023 will be announced November/December 2022.

General Information

  • Confinement Site Manure Applicator Certification is good for 3 calendar years (Year 1= initial certification/renewal, Years 2 & 3 = continuing education). If a continuing education year is missed, applicators will receive a letter from the DNR stating they need to take the exam to be eligible to re-certify. Please contact your DNR Field Office to take the exam. 
  • A 2-hour Commercial MAC certification training is offered annually state-wide January through February, with censing/certification fees due by March 1st (expiration date of previous year's certification). Late fees applied after March 1st.
  • Local training site is the Grundy County Extension Office at 703 F Ave, Suite 1; Grundy Center, IA 50638.
  • Pre-registration is highly encouraged as space is limited per session. Pre-registration cut-off for Grundy County is typically one business day prior to a session by 4:00pm. Walk-ins on the day of the program will only be accepted if space is available. Register by calling 319-824-6979.
  • There is no cost to Grundy County ISU Extension and Outreach for training, all forms and costs are paid and submitted to the Iowa DNR upon completion of training.
  • If you are unable to attend any of the scheduled dates for continuing instruction courses, please contact Grundy County Extension to set up a re-show appointment.
  • Additional information about Commercial Continuing Instruction courses can be found through the Pesticide Safety Education Program link above or by contacting Grundy County ISU Extension and Outreach at 319-824-6979.
  • The DNR also offers E-learning for individuals in both Commercial and Confinement Applicators.
Dry Manure Applicator Certification Program

The Dry Manure applicators hauling, applying, and handling dry/solid manure (typically beef feedlot or poultry litter) will certify with either COMMERCIAL or CONFINEMENT SITE certification programs, depending on which certification the applicator falls under.