CHEMIGATION APPLICATOR TRAINING 2025

chemigation

The Nebraska Chemigation Act was passed in 1987 to help ensure that the backflow of chemicals would not contaminate the ground and surface waters of the state from irrigation water application systems used to apply crop nutrients and pesticides (chemigation). The law requires producers who plan to apply fertilizer or pesticide through an irrigation system to be certified by the Nebraska Department of Environmental Quality (NDEE). Certification is valid for four years, and training is provided through UNL Extension.

To become a certified applicator, it is required that you complete a training session and pass a written exam that verifies your knowledge of the Chemigation Act, including how to calibrate injection equipment, use required safety equipment, and decide where and when chemigation is appropriate. 

Permit holders for their specific injection site(s) must have at least one up-to-date certified applicator listed, whether it be themselves or any person operating equipment used to apply chemicals through their irrigation system.

Online Training for 2025 is available at the University of Nebraska Chemigation webpage: https://pested.unl.edu/training-and-certification/chemigation/. Local in-person training dates and locations for Chemigation Applicators are as follows: 

 

Date Time Town Facility Facilitator Phone Email
Feb 20 9:00 AM Norfolk Madison Co Extension Office Wayne Ohnesorg 402-370-4040 wohnesorg2@unl.edu
Feb 28 9:30 AM O’Neill Holt Co Courthouse Annex Amy Timmerman 402-336-2760 atimmerman2@unl.edu
Mar 6 9:30 AM Neligh Antelope Co Courthouse Basement Meeting Room Wayne Ohnesorg 402-887-5414 wohnesorg2@unl.edu
Mar 10 1:00 PM West Point Nielsen Community Center Aaron Nygren 402-624-8030 Anygren2@unl.edu
Pre-registration required online at https://go.unl.edu/chemigation2025 or call Cuming Co Extension Office at 402-372-6006
Mar 18 1:30 PM O’Neill Holt County Courthouse Annex Amy Timmerman 402-362-2760 atimmerman2@unl.edu
Mar 20 9:00 AM Norfolk Madison Co Extension Office Wayne Ohnesorg 402-370-4040 Wohnesorg2@unl.edu
Apr 11 9:30 AM O’Neill Holt County Courthouse Annex Amy Timmerman 402-362-2760 Atimmerman2@unl.edu 

Other in-person training dates and locations are available on the NDEE website: https://edmedia.wufoo.com/reports/2025-chemigation-training-dates/ or by calling UNL Extension in Norfolk at 402-370-4040.

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