Welcome!
If you are not familiar with our company and your first contact with us is online: We would be pleased to hear from you! Please let us know what your needs and questions are. We are happy to help.
Check out our latest and most exciting project! We’ve written new operator training manuals for Water Environment Federation. You can find the manuals in the WEF bookstore.
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Exam Prep Help
Use our handy guide to help determine which classes to take.
Under the Downloads section, you’ll find FREE sample test questions and math workbooks created by our staff. Get the PEST software and get prepared for upcoming certification exams!
Check out our Excel spreadsheet that generates new problems on the fly.
Practice questions for Colorado Drinking Water Regulations.
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Upcoming Training
2026 Training Dates
- March 2 – 5, 2026 – Wastewater Exam Cram (Highlands Ranch)
- March 10 – 11, 2026 – Collection Systems (Northglenn)
- July 16 – 17, 2026 – Activated Sludge and Nutrient Removal (Grand Junction)
- July 20 – 23, 2026 – Wastewater Exam Cram (Northglenn)
- August 20 – 21, 2026 – Sampling and Laboratory Techniques (Northglenn)
- September 23 – 24, 2026 – Activated Sludge and Nutrient Removal (Northglenn)
- October 5 – 8, 2026 – Wastewater Exam Cram (Highlands Ranch)
- Microscope Class dates TBD.
- On Demand Online Courses
- Customized On-Site Training