| Class | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Book | I-SP | I | II | III | IV | A-SO | A | B | C | D |
| 1 | X1 | X | X | X | X | X | X3 | X3 | X3 | |
| 2 | X2 | X | X | X | X | X | ||||
| 3 | X | X | ||||||||
| 4 | X | X | X | |||||||
| 5 | X | X | X | |||||||
| 10 | X | X | X | X | X | X | X | X | X | X |
| 11 | X | |||||||||
| 12 | X | |||||||||
| 14 | X | X | X | X | X | X | ||||
1 Study only Chapters 1 (Introduction to Wastewater Treatment), and Chapter 9 (Laboratory Procedures) of Book #1, Eighth Edition.
2 Study only Chapter 5 (Plant Maintenance) and Appendix A (Introduction to Basic Math for Operators) of Book #2, Eighth Edition.
3 Study only Chapter 9 (Laboratory Procedures) of Book #1, Eighth Edition.
Reference Books
- Operation of Wastewater Treatment Plants, Volume I, Eighth edition
- Operation of Wastewater Treatment Plants, Volume II, Eighth edition
- Advanced Waste Treatment, current edition
- Industrial Waste Treatment, Volume I, current edition
- Industrial Waste Treatment, Volume II, current edition
- Wastewater Operator Certification Manual, May 2021, available on-line from IDEM
- Stabilization Ponds, U.S. EPA Operation Manual, August 1977, available on-line from IDEM
- Study Guide for A-SO Operators, April 2021, available on-line from IDEM
- Introduction to the National Pretreatment Program, June 2011, available on-line from U.S. EPA (Note: updated version)
How to Obtain Exam Reference Books
Books 1 - 5
California State University, Sacramento: Wastewater Courses*
*It is noted the publisher has posted corrections to these books and they are located at this link: https://www.owp.csus.edu/corrections/index.php
Book 10
Wastewater Operator Certification Manual - August 2022
IDEM Office of Water Quality, Compliance Section Certification Staff
Book 10 Documentation [PDF]
Note: The operator exam practice worksheet and corresponding DMR, MRO and permit page are located in Book 10, beginning with Appendix A
Book 11
Stabilization Ponds, U.S. EPA Operation Manual
IDEM Office of Water Quality, Compliance Section Certification Staff
Book 11 Documentation [PDF]
Book 12
Study Guide for A-SO Operators, April 2021
IDEM Office of Water Quality, Compliance Section Certification Staff
Book 12 Documentation [PDF]
Book 14 (Updated Reference)
Introduction to the National Pretreatment Program
U.S. EPA - Office of Water Resource Center
(202) 566-1729
Document available on the U.S. EPA site
Publication: EPA-833-B-11-001, June 2011
For more information, contact the Office of Water Quality Wastewater Operator Certification Program.