Please contact Kim Parker at or 307-777-6128 if you have questions about the Operator Certification Program.

Schedule an Exam

WY Exam Locations:  Casper, Casper College, Cheyenne, Green River, Billings, MT, Rapid City, SD, Scottsbluff, NE, Aurora, CO, and Salt Lake City, UT, or any PSI/AMP Assessment Center nationwide.

Exam Availability:  By appointment only, Monday through Friday, at either 9:00 a.m. or 1:30 p.m.

What kind of calculator can I use?  The AMP Calculator Guidelines will help you find out if your calculator is allowed. Take a copy of this document with you to the exam!

Online Scheduling:  Schedule an exam at any time by going to and following these easy steps:

  1. Click on the "Begin Scheduling" link at the left side of the page.
  2. Select the “Water and Wastewater Category”, then “Wyoming Department of Environmental Quality”, then your exam.
  3. Take the correct exam!  If you are unsure, go to Which Exam Do I Need?
  4. Select “Register For This Exam.”
  5. Log in.  If you have not created a Login yet, create one now.  You may have to select your exam again after creating your login (Steps 2-4).
  6. Use your 5-digit WY Operator ID number. If you do not have one, or are unsure about which number to use, contact the Operator Certification office at or 307-777-6128.
  7. Please have your credit card ready to pay the exam fee.

PSI/AMP Customer Service Line: 1-833-256-1420 from 7:00 a.m. to 9:00 p.m. (Central Time) Monday through Thursday, 7:00 a.m. to 7:00 p.m. on Friday and 8:30 a.m. to 5:00 p.m. on Saturday.

When you pass the exam:  Log on to your Operator Certification account and verify that you meet the operational experience, training, and High School Equivalency (HSE) requirements listed in the Wyoming certification requirements document.

If you don’t pass the exam:  You may retake the exam as often as you wish, but you must wait 30 days between each attempt.

Related Programs

ABC Formula and Conversion Sheets: Water and Wastewater

What kind of calculator can I use?  The AMP Calculator Guidelines will help you find out if your calculator is allowed.  Take a copy of this document with you to the exam!

If you aren’t sure which exam to take, check out our Which Exam Do I Need? web page to make sure you take the right exam!