Prepare and study for the certification exam. The exam consists of 100 multiple choice questions and a minimum of 70% is required to pass.
The exam will cover these six categories:
- Math
- Operation and Maintenance
- Pumps
- Chemical Feed
- Rules
- Safety and Security
Choosing a Grade Level to Test For
Some Public Water Systems may be required to have a certified operator at a certain grade level depending on the system’s population and complexity. This requirement is specified on the system’s IPS Report and is available online at waterlink.utah.gov.
Discipline | Grade Levels | Population | Math | O & M | Rules | Pumps | Chemical Feed | Safety & Security |
---|---|---|---|---|---|---|---|---|
Distribution
|
Small System (SS) | 25-500 | 12 | 24 | 24 | 24 | 12 | 16 |
Distribution Grade I (D1) | 501-1,500 | 15 | 22 | 19 | 13 | 15 | 16 | |
Distribution Grade II (D2) | 1,501-5,000 | 15 | 22 | 19 | 13 | 15 | 16 | |
Distribution Grade III (D3) | 5,001-15,000 | 13 | 20 | 20 | 15 | 15 | 17 | |
Distribution Grade IV ( D4) | 15,001 and over | 13 | 22 | 20 | 13 | 15 | 17 | |
Treatment
|
Treatment Grade I (T1) | 25-1,500 | 15 | 25 | 15 | 10 | 15 | 20 |
Treatment Grade II (T2) | 1,501-5,000 | 15 | 23 | 20 | 14 | 14 | 14 | |
Treatment Grade III (T3) | 5,001-15,000 | 15 | 26 | 20 | 14 | 15 | 10 | |
Treatment Grade IV (T4) | 15,001 and over | 17 | 25 | 23 | 10 | 15 | 10 |
Study Materials
Study for your desired discipline and grade level.
Basic:
Grade Levels SS, D1, D2
Study Presentations
These PowerPoint presentations cover most of the material covered in the exam.
- Basic Math
PPT | PDF - Disinfection
PPT | PDF - Operation and Maintenance
PPT | PDF - Pumps and Motors
PPT | PDF - Rules Update
PPT | PDF - Safety and Security
PPT | PDF
Screencasts
Watch pre-certification videos and take the practice quizzes.
Study Guide
This covers each category with about 30 or more practice questions each. Answers are
covered in the study presentations linked above.
Math Formulas
You will need to know these formulas for many questions in the exam.
American Water College Math Videos
Watch the videos in the water math section to help prepare for the exam.
Advanced:
Grade Levels D3 & D4
Study Presentations
These PowerPoint presentations cover most of the material covered in the exam.
- Advanced Math
PPT | PDF - Disinfection
PPT | PDF - Operation and Maintenance
PPT | PDF - Pumps and Motors
PPT | PDF - Rules Update
PPT | PDF - Safety and Security
PPT | PDF
Screencasts
Watch pre-certification videos and take the practice quizzes.
Study Guide
This covers each category with about 30 or more practice questions each. Answers are
covered in the study presentations linked above.
Math Formulas
You will need to know these formulas for many questions in the exam.
American Water College Math Videos
Watch the videos in the water math section to help prepare for the exam.
Treatment:
Grade Levels T1 & T2
Study Presentations
These PowerPoint presentations cover most of the material covered in the exam.
- Basic Math
PPT | PDF - Disinfection
PPT | PDF - Pumps and Motors
PPT | PDF - Rules Update
PPT | PDF - Safety and Security
PPT | PDF - Water Treatment Operation and Maintenance
PPT | PDF
Screencasts
Watch pre-certification videos and take the practice quizzes.
Study Guide
This covers each category with about 30 or more practice questions each. Answers are
covered in the study presentations linked above.
Math Formulas
You will need to know these formulas for many questions in the exam.
American Water College Math Videos
Watch the videos in the water math section to help prepare for the exam.
Treatment:
Grade Levels T3 & T4
Study Presentations
These PowerPoint presentations cover most of the material covered in the exam.
- Advanced Math
PPT | PDF - Disinfection
PPT | PDF - Pumps and Motors
PPT | PDF - Rules Update
PPT | PDF - Safety and Security
PPT | PDF - Water Treatment Operation and Maintenance
PPT | PDF
Screencasts
Watch pre-certification videos and take the practice quizzes.
Study Guide
This covers each category with about 30 or more practice questions each. Answers are
covered in the study presentations linked above.
Math Formulas
You will need to know these formulas for many questions in the exam.
American Water College Math Videos
Watch the videos in the water math section to help prepare for the exam.
American Water Works Association (AWWA)
- WSO Book Treatment Level 1
- WSO Book Treatment Level 2
- WSO Treatment Level 3 & 4
- WSO Book Distribution 1 & 2
- WSO Book Distribution 3 & 4
Rural Community Assistance Partnership (RCAP)
- Protecting Distribution System Water Quality
- Hydrant Inspection and Flushing
- Measurement of Chlorine Residual
- The Importance of an Operator
- Coliform Sampling Best Practices
- Valve Maintenance
- Drinking Water Treatment – Introduction
- Drinking Water Treatment – Raw Water Intake
- Drinking Water Treatment – Pre-Settlement & Pre-Treatment
- Drinking Water Treatment – Static Mixers and Flash Chambers
- Drinking Water Treatment – Sedimentation and Filtration
- Drinking Water Treatment – Distribution Systems
- How It Works: Backflow Control Methods, Devices, and Assemblies
- How To: Develop a Cross-Connection Control Plan
- How To: Identify and Avoid Possible Cross-Connections
American Water College
- Chlorine Pounds Per Day – Distribution Math
- Chemical Pounds Per Day Formula – Distribution System
- Calculating Cubic Yards Removed – Distribution System
- Calculating Trench Volume in Cubic Feet – Distribution System Math
- Detention Time – Water Treatment Math
- Chemical Solutions – Water Treatment Math
- Chemical Blending – Water Treatment Math
The WaterSiFu
The Rural Water Association of Utah has practice quizzes available for a small fee.
Find pre-certification classes and more training and relevant events near you. Provided by the Utah Water and Wastewater Training Coalition.
The exams were created using certain textbooks as official references. You can check out these books and many more great resources for free. You can check out these books by filling out the request form.
Contact
Dawnie Jacobo (DDWOpCert@utah.gov): (385) 272-5038