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Study Help: Division of Drinking Water

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:

  1. Math
  2. Operation and Maintenance
  3. Pumps
  4. Chemical Feed
  5. Rules
  6. 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.

Distribution
Basic Grade Levels: SS, D1, & D2

Basic:
Grade Levels SS, D1, D2

Study Presentations

These PowerPoint presentations cover most of the material covered in the exam.

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.

  • Distribution Basic
    PDF | DOC

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.

Advanded Grade Levels: D3 & D4

Advanced:
Grade Levels D3 & D4

Study Presentations

These PowerPoint presentations cover most of the material covered in the exam.

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.

  • Distribution Advanced
    PDF | DOC

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
Basic Grade Levels: T1 & T2

Treatment:
Grade Levels T1 & T2

Study Presentations

These PowerPoint presentations cover most of the material covered in the exam.

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: T3 & T4

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.

  • Treatment Advanced
    PDF | DOC

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.

Training Calendar
Find pre-certification classes and more training and relevant events near you. Provided by the Utah Water and Wastewater Training Coalition.

Lending Library
The exams were created using certain textbooks as official references. You can check out these books and many more great resources for free. We have books and DVDs that cover everything you need to know about water systems and drinking water. You can check out these books by filling out the request form.

Request Form

Email DDWOpCert@utah.gov to get started.

Contact Info

Dawnie Jacobo
(801) 536-4217
DDWOpCert@utah.gov