2nd Editions just released January 2025!
- Added an additional, brand new 100-question exam
- Improved formatting for better readability
- Error and typo fixes throughout
- Paperback and Kindle versions available for all editions
WHAT'S INCLUDED IN EACH GUIDE: ✅
- Six (6) Complete Practice Exams (100 Questions Each)
- 600 Multiple-Choice Questions in each book!
- Math Questions Throughout All Exams + 25 BONUS Math Problems
- Comprehensive Solutions and Detailed Explanations Accompany the Questions
- Updated for 2025 Certification Requirements
- Combined Editions with 1200 questions each, Deluxe edition (Kindle only) with all four Levels has 2400 questions!
Level 1 (Class D) Practice Exams: Step into the world of wastewater treatment with this beginner-friendly guide. Ideal for those aiming for their first certification, it's your secret weapon to becoming a certifiable wastewater guru. Just remember, with great power comes great responsibility—and possibly a heightened interest in water clarity.
Level 2 (Class C) Practice Exams: Bridge the gap between beginner and intermediate with this essential guide. If you're on the hunt for your second certification, this guide's got your back, armed with knowledge and math to keep things interesting.
Level 3 (Class B) Practice Exams: Ascend from intermediate to advanced operator status with this comprehensive guide. Tailored for those eyeing their third certification, it’s packed with a pile of questions and answers to get you exam-ready. Get ready to level up in the wastewater world.
Level 4 (Class A) Practice Exams: The pinnacle of wastewater treatment knowledge awaits. Crafted for the crème de la crème of operators seeking their fourth certification, this guide is no laughing matter—except for the parts that are. Prepare to reign supreme in the realm of wastewater management.
Level 1 (Class D) and 2 (Class C) Combined: Score a double whammy with this combo guide that combines Level 1 and Level 2 offering 1200 Practice Questions.
Perfect for newcomers and those polishing their skills, it's a steal that costs less than buying both books separately.
Level 3 (Class B) and 4 (Class A) Combined: The quintessential guide for intermediate to advanced operators featuring 1200 practice questions.
Get prepared for your final two certification exams with one amazing study guide containing our Level 3 and 4 books in one convenient edition.
Level 1/Class D, Level 2/Class C, Level 3/Class B Level 4/Class A Combined: The ultimate guide for operators looking for a MASSIVE amount of questions to prepare them on their entire journey from their first to their last certification. Contains all the content from all four Levels, a whopping 2400 practice questions!
***Kindle version only available currently, sign up for our newsletter to be notified of paperback release
Want to know what's in the books? Check out our blog post providing complete details here .
Contact us if you have any questions or suggestions for future study guides.
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