GovDelivery logo

This section provides training approval and certification information for drinking water and wastewater system operators, including concentrated animal feeding operations. Whether you are new to the industry or a veteran operator, this information can answer many of your questions.

Search Certified Operator Information Online

Exams

Training

Forms

Publications

Voucher Information

Regulations

Resources

Contacts

  • Operator Certification staff at 800-361-4827 or 573-751-1600.

Email general questions regarding operator certification to opcert@dnr.mo.gov.

Note icon. The department has changed all fill-in forms to PDF fill-in. You will be able to save and reuse these PDF forms. However, you will need Adobe Acrobat Reader 7 or higher to save the PDF fill-in form. Also, at this time the department does not accept digital signatures. If your Acrobat Reader prompts you to use one, we ask that you don't.