California Grade D4 Water Distribution Operator Exam Prep
$299.99
Exam Prep
California Grade D4 Water Distribution Operator Exam Prep

Get your D4 license, get FREE Contact Hours & build your career as a water professional!

Pass your California D4 Water Distribution Operator Certification exam the first time with our guaranteed exam prep system.  Plus, receive a Bonus 32 FREE Contact hours recognized by California for your license renewal.  A $299 value!

  • Learn at your own pace and on your schedule

  • Instructor support you can count on

  • Great return on investment – low course price, FREE Contact Hours, and increased income when you pass

Curriculum content

  • Distribution Exam Preparation Grade 4
    Pass your test the first time! No stress.  No worry. This course will prepare you to pass your supervisor level distribution operator exam with confidence and set you apart in a successful and satisfying career in water distribution. There are 32 individual lesson modules included in this course.
    • Resource Handouts
    • How to get the most out of your course
    • Unit Conversions
      Unit Conversions
    • Working with Formulas
    • Understanding Percentages
    • Calculating Area
    • Calculating Volume
    • Weight-Volume Relationships
    • Force-Pressure-Head
    • Velocity and Flow Rate
    • Pumps
    • The Metric System
    • Problem Solving
    • Flow Conversion Problems
    • System Design and Layout
    • Volume Problems
    • Flow Rate Problems
    • Distribution Piping
    • Water Storage
    • Fire Hydrants and Valves
    • Water Meters
    • Pumps and Motors
    • Cross-Connection Control
    • Disinfection
    • Distribution Disinfection Problems
    • Chemical Feed Problems
    • Corrosion Control
    • Water Quality
    • Distribution Laboratory Problems
    • Water Main Installation and Backfilling
    • Safety
    • Regulations
    • Instumentation and Information and Technology
    • Hydraulics
    • Grade 4 Practice Tests
    • Distribution Exam Review Grades 5 - Course Evaluation
  • Distribution System Review (16 hours)
    System Design and Layout Distribution Piping Water Storage Fire Hydrants and Valves Water Meters Pumps and Motors Cross-Connection Control Disinfection Corrosion Control Water Quality Water Main Installation and Backfilling Safety Regulations Hydraulics
  • Water Treatment Review (16 hours)
    Source Water Review, Coagulation and Flocculation Review, Sedimentation Review, Filtration Review, Disinfection Review, Corrosion Control Review, Fluoridation Review, Iron and Manganese Control Review, Lime Softening Review, Regulations Review, Membrane Technology Review