WEF’s new line of operator training, Wastewater Treatment Fundamentals, helps operators prepare for certification examinations and each volume is eligible for up to 6 Continuing Education Units (60 contact hours).
These peer-reviewed resources represent the expertise of hundreds of water quality professionals. They align with updated Need-to-Know Criteria from the Water Professionals International (WPI) and are based on WEFs extensive existing resource collection. After learning from real-life examples, users may actively apply the material they learn to situations they encounter in their day-to-day work.
Choose the resource that's right for you
training manuals Online Training Study Questions
TRAINING MANUALS
Wastewater Treatment Fundamentals I—Liquid Treatment
Wastewater Treatment Fundamentals I—Liquid Treatment covers all aspects of liquid treatment processes, plus critical aspects of biological treatment, nutrient removal, and disinfection. This manual helps operators prepare for the first three levels of certification examinations and the situations they encounter in their day-to-day work.
- Master Wastewater Treatment Operator exam topics and WPI Need-to-Know Criteria
- Assess your knowledge with 1000+ chapter-ending practice questions
- Enhance your math skills with extensive problem exercises and step-by-step solution sets
- Reinforce comprehension with in-depth chapter level summaries
- Gain a clear understanding of the operation and maintenance of water resource recovery facilities
Order the print version Order the digital version Order the manual and final exam only
Wastewater Treatment Fundamentals II—Solids Handling and Support Systems
Wastewater Treatment Fundamentals II—Solids Handling and Support Systems covers all aspects of solids handling and support systems and helps operators prepare for the first three levels of certification examinations. In addition to learning the basics of solids handling, operators will gain a thorough understanding of critical aspects of thickening, dewatering, aeration systems and aerobic digesting. After learning from real-life examples, users can apply the material they learn to situations they encounter in their day-to-day work.
- Robust coverage of Wastewater Treatment Operator exam topics and WPI Need-to-Know Criteria
- Peer reviewed
- 1000+ practice questions to test your knowledge at the end of each chapter
- In-depth chapter summaries to reinforce key concepts
- Extensive chapter exercises and solution sets to enhance your math skills
Order the print version Order the digital version
Wastewater Treatment Fundamentals III--Advanced Treatment 
Wastewater Treatment Fundamentals III—Advanced Treatment covers advanced wastewater treatment and helps operators prepare for the third and fourth levels of certification examinations. Operators will gain a thorough understanding of critical aspects of membranes, industrial wastewater and pretreatment, physical and chemical treatment, advanced activated sludge, instrumentation, SCADA, leadership and management, sludge sampling, solids management, stabilization, odor control, safety considerations, nontraditional disinfection, and water reuse. After learning from real-life examples, users can apply the material they learn to situations they encounter in their day-to-day work.
- Robust coverage of Wastewater Treatment Operator exam topics and WPI Need-to-Know Criteria·Peer reviewed
- 1000+ practice questions to test your knowledge at the end of each chapter
- In-depth chapter summaries to reinforce key concepts
Order the print version Order the digital version
Other Training Manuals in the Wastewater Treatment Fundamentals series:
- Wastewater Treatment Fundamentals I: Liquid Treatment (Spanish Translation)
- Wastewater Treatment Fundamentals I: Liquid Treatment (Mandarin Translation)
- Wastewater Treatment Fundamentals I: Liquid Treatment (Vietnamese Translation)
- Wastewater Treatment Fundamentals II: Solids Handling and Support Systems (Spanish Translation)
WASTEWATER TREATMENT FUNDAMENTALS ONLINE
Wastewater Treatment Fundamentals I—Liquid Treatment Online Course and Exam
The online course and exam is great for both visual and verbal learners. This course is eligible for up to 6 CEUs (60 contact hours) upon completion of the final exam.
- Practice for exam day with 350+ simulated exam questions matching the format, tone, and difficulty of the real exam
- Train as much as you want with unlimited chapter level practice tests
- Learn where to focus your training with immediate feedback of both correct and incorrect answers
- In-depth chapter summaries to reinforce key concepts
- Extensive chapter exercises and solution sets to enhance your math skills
Order this course and final exam Order the print manual and final exam only
Wastewater Treatment Fundamentals I—Liquid Treatment and corresponding short courses are preapproved in 24 states. For a complete list of state preapprovals, please click here.
Wastewater Treatment Fundamentals II—Solids Handling and Support Systems Online Course and Exam.
The online course and exam is great for both visual and verbal learners. This course is eligible for up to 6 CEUs (60 contact hours) upon completion of the final exam.
- Robust coverage of Wastewater Treatment Operator exam topics and WPI Need-to-Know Criteria
- Peer reviewed
- 1000+ practice questions to test your knowledge at the end of each chapter
- In-depth chapter summaries to reinforce key concepts
- Extensive chapter exercises and solution sets to enhance your math skills
This course is recommended for 60 hours/6 CEUs for continuing education. WEF is currently in process of applying for state preapprovals for this course in most states across the US.
Order this online course and final exam
Wastewater Treatment Fundamentals I—Liquid Treatment Online Short Courses
These short courses provide focused training on topics essential to the operation and maintenance of water resource recovery facilities. Choose from courses covering, preliminary and primary treatment fundamentals, activated sludge fundamentals, biological treatment fundamentals, disinfection fundamentals, and nutrient removal fundamentals. Access the Short Courses.
Wastewater Treatment Fundamentals I—Liquid Treatment and corresponding short courses are preapproved in 24 states. For a complete list of state preapprovals, please click here.
CERTIFICATION STUDY QUESTIONS
Wastewater Treatment Fundamentals I—Liquid Treatment Operator Certification Study Questions
This study guide is a perfect companion for operators preparing for their first levels of certification examination as well as for operator trainers interested in giving their students an opportunity to practically apply what they’ve learned.
- Test your knowledge with 800+ questions and answers
- Easily measure and improve your knowledge of liquid treatment fundamentals
- Learn the critical aspects of biological treatment, nutrient removal, and disinfection
- Prepare for the first three levels of certification examinations
Wastewater Treatment Fundamentals II— Solids Handling and Support Systems Operator Certification Study Questions
This study guide is a perfect companion for operators preparing for their first levels of certification examination as well as for operator trainers interested in giving their students an opportunity to practically apply what they’ve learned.
- Approximately 950 study questions and answers
- Represents all aspects of solids handling and support systems
- Helps operators prepare for the first three levels of certification examinations
Wastewater Treatment Fundamentals III- Advanced Treatment Operator Certification Study Questions
This study guide is a perfect companion for operators preparing for their first levels of certification examination as well as for operator trainers interested in giving their students an opportunity to practically apply what they’ve learned.
- Approximately 950 study questions and answers
- Represents all aspects of solids handling and support systems
- Helps operators prepare for the fourth and fifth levels of certification examinations
