WTTP 2191
Advanced Disinfection and Fluoridation Practices

1.0 Credit


Alternate disinfection practices are a focus of this course, along with fluoridation. Maintenance and calibration procedures used in monitoring equipment for both disinfection and fluoridation are also covered.

Delivery Method



Industry experience or completion of level two portion of the Water Treatment Technology program.


When you have completed each section of this course, you should be able to do the following:

Section 1: Ozonation Disinfection Applications

  • Describe the basic ozonation process (including the elements of a typical system and the theory behind ozone generation)
  • Describe the process of creating ozone including parameters that affect its creation
  • Identify the reasons why ozone may be chosen as a disinfectant
  • Explain the need for ozone destruction in the system and how it is achieved

Section 2: Ultraviolet Disinfection Applications

  • Explain how the UV disinfection process works
  • Describe the current use of UV for potable water disinfection
  • Describe the UV process and equipment
  • Identify the benefits and challenges of UV disinfection
  • List Operation & Maintenance issues and safety precautions

Section 3: Alternate Disinfectants

  • Outline the alternative disinfection methods of bromine, iodine, silver, and sodium dichloroisocyanurate
  • Describe the advantages and disadvantages associated with bromine, iodine, silver, and dichloroisocyanurate

Section 4: Fluoridation-Fluoride Use in Water Treatment

  • Explain how fluoride helps dental care
  • List the chemicals used in the water industry to add fluoride
  • Demonstrate a basic knowledge of the chemistry in fluoridation processes
  • List the different dosing strategies appropriate for each chemical used in fluoridation

Course Outline

  • Ozonation Disinfection Applications: Summarizes the application of ozonation in drinking water disinfection.
  • Ultraviolet Disinfection Applications: Summarizes the application of UV in potable water disinfection.
  • Alternative Disinfectants: Describes alternatives to the common disinfectants in drinking water disinfection.
  • Fluoridation-Fluoride Use in Water Treatment: Describes how fluoride works and how it is added to a water system

Maximum Completion

30 weeks.

Required Text and Materials

There is no required textbook for this course.

Additional Requirements

A computer with Internet access is required.

Open Learning Faculty Member Information

An Open Learning Faculty Member is available to assist students. Primary communication is through Blackboard's "Mail" tool or by phone at a mutually convenient time. The necessary contact information will be received when you start your course.


In order to complete this course successfully, you must obtain at least 50 per cent on the final mandatory examination and in the course overall.

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%