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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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Upcoming Training
2026 Training Dates
- On Demand Online Courses
- Customized On-Site Training
- Check back in December for 2027 dates.
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.