WTTP 1301

Major Process Equipment

1.0 Credit


Prior to filtration, raw water supplied to a treatment facility is often conditioned by the addition of chemicals. These chemicals modify the physical and chemical characteristics of the water. They also modify the nature of the organic and inorganic materials in solution or suspension. This course describes the equipment used to achieve the initial mixing of chemicals with the process water stream. It also describes the equipment used to flocculate coagulants within the process. This course emphasizes different types of equipment used in the treatment of water including: mixing; flocculation; solid separation; filtration; water conditioners; disinfection; and various filter systems. Flow charts and the ability to analyze historical data are also covered.

Delivery Methods

Online, self-paced


Industry experience or acceptance into the Water Treatment Technology Program; WTTP 1731 and WTTP 1291 are recommended.


By the end of this course you should be able to:

  • State the reasons why water flows through a plant are subject to change
  • Plan for operation of the main process stream.
  • Describe the equipment, and commonly used methods used for mixing.
  • Describe the types of flocculators in use at water treatment plants.
  • Explain the function and slow and rapid rate filters.
  • Understand the function of backwashing a filter.
  • Define and describe the purpose of primary and secondary disinfection.
  • Describe some of the common operation and maintenance requirements for the major process equipment.
  • Describe some of the sampling programs used to ensure consistent quality of the treated water.

Course Outline

This course is divided into seven sections:

  1. Managing Flow Variance
  2. Mixing Equipment
  3. Flocculation Equipment
  4. Solid Separation Equipment
  5. Filtration Equipment
  6. Disinfection Equipment
  7. Operation and Maintenance

Course Duration

30 weeks.

Required Text and Materials

There is no textbook required for this course.

Additional Requirements

Students require a computer and internet access.

Open Learning Faculty Member

An Open Learning Faculty Member is available to assist students. Primary communication is through the Learning Environment's "Mail" tool or by phone. Students will receive the necessary contact information at the start of the course.


To successfully complete this course, students must achieve a passing grade of 50% or higher on the overall course, and 50% or higher on the final mandatory exam.

Students taking this course and applying it towards a Certificate I, II, or III or Water Treatment Diploma must obtain a minimum 60% average in the course overall to meet program requirements.

Your final assessment will be determined on the following basis.

Final Exam* 100%