The Operator Certification Unit trains and licenses all people working in water and wastewater plants, operating groundwater systems, and sewage lagoons in the state. This ensures they have training to properly treat and monitor the outgoing product of the facility to protect human health and the environment.

Applications & Forms

• Operator Certification Exam Application Package
• Temporary Water & Wastewater Operator Certification
• Non-Certified Helper Application
• Water and Wastewater Reciprocity Application
• Operator Hire / Departure Notification Form
• Request to Conduct DEQ Approved Standard Training Class
• Request to Conduct DEQ Approved General Training Class

Printable Study Guides

• Water System Operations State of Oklahoma Certification Study Guide (pdf)
• C Level Water Laboratory Manual (pdf)
• C Level Wastewater Laboratory Manual (pdf)
• Distribution/Collection Manual (pdf)
• Wastewater System Operations State of Oklahoma Certification Study Guide  (pdf)

Exam Fees

• Exam Application fee $62
• Temporary Application fee $62
• Non-Certified Helper Application fee $23
• Renewal fee $46

Frequently Asked Questions

Checklist for Completing Exam Applications

To avoid having your exam application returned and to help the review process run smoothly, follow this checklist:

• Use the current exam application (12/12, or later)
• Complete the entire form, even if you are applying to retake an exam
• Indicate which exam session you wish to attend and which exam you wish to take
• List all of your experience and all of your approved training classes, include all training you will attend before the exam session
• Bring documentation to the exam session to verify class attendance (if you attend a class after submitting your application)
• Sign and date the application
• Include $62 for each exam
• Make sure the application is postmarked no later than 21 days prior to the first day of class before exam

ALL PAYMENTS SHOULD BE MAILED TO:

Oklahoma Dept. of Environmental Quality
Financial & Human Resources
PO Box 2036
Oklahoma City, OK 73101-2036

ALL CORRESPONDENCE SHOULD BE MAILED TO:

Oklahoma Dept of Environmental Quality
Operator Certification
PO Box 1677
Oklahoma City, OK 73101-1677

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