Contact

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

Well System Study Material

Well System:  usually a town, district or homeowner's association that has their own well(s) and a distribution system.  You may also have disinfection, booster stations and/or water storage tanks.   Doesn't sound like the right exam?

ABC Formula and Conversion Sheets:  Water

ABC Need to Know Criteria: Very Small Water Systems

Recommended Exam Preparation Courses:

California State Univ. Small Water System  O&M

California State Univ. Water Distribution System  O&M

Other helpful resources:

ABC Sample Exam Questions

ABC Water Treatment Exam References

EPA Quick Reference Guides Drinking Water Rules and Standards, RevisedTotal Coliform Rule (RTCR), Lead and Copper Rule, and Public Notification Rule

The Very Small Water System Operators' Guidebook to Preparing for Certification relates to critical knowledge required to competently operate water systems.

Very Small Water Systems web-based practice exam

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!

Lagoon System Study Material

Lagoon System:  usually a town, district or homeowner's association that has their own lagoon and a wastewater collection (sewer) system.  Your lagoon may have aeration and you may need to operate lift stations in the collection system.  Doesn't sound like the right exam?

ABC Formula and Conversion Sheets:  Wastewater

Recommended Exam Preparation Courses:

California State Univ. Wastewater Collection System  O&M  This correspondence course will prepare you for the 50 sewer system operation and maintenance questions on the exam.

Stabilization-Pond Operations Manual (US EPA 1977)  This FREE manual will help you learn what you need to know to do well on the 50 lagoon operation and maintenance questions on the exam.

Other helpful resources:

WEF Wastewater Stabilization Ponds

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!

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 https://schedule.psiexams.com/ 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 opcert@wyo.gov 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

Well System: Usually a town, district or homeowner’s association that has their own well(s) and a distribution system.  You may also have disinfection, booster stations and/or water storage tanks.  Take the Well System exam.

Lagoon System: Usually a town, district or homeowner’s association that has their own lagoon and a wastewater collection (sewer) system.  Your lagoon may have aeration and you may need to operate lift stations in the collection system.  Take the Lagoon System exam.