Winnipeg's Water

What is the first step in the water treatment process at the plant?

• Adding sulfuric acid and ferric sulfate

• UV disinfection

• Ozonation

• Filtration

What is the purpose of adding sulfuric acid in the first treatment step?

• To improve the taste of the water

• To disinfect the water

• To lower the pH and make the treatment more efficient

• To remove parasites

Where does Winnipeg's water come from?

• Assiniboine River

• Lake Winnipeg

• Shoal Lake

• Red River

How far is Shoal Lake from Winnipeg?

• 150 kilometers

• 136 kilometers

• 200 kilometers

• 100 kilometers

What is the purpose of ozonation in the water treatment process?

• To add fluoride

• To remove large particles

• To provide the first level of disinfection and improve taste and odor

• To add chlorine

What is used to disinfect the water in the chlorine contact chamber?

• Ozone

• UV light

• Chlorine

• Ferric sulfate

What is added to the water to help prevent tooth decay?

• Orthophosphate

• Ferric sulfate

• Fluoride

• Sulfuric acid

What is the purpose of adding orthophosphate to the water?

• To disinfect the water

• To form a protective coating inside water pipes

• To improve the taste of the water

• To remove parasites

How many different tests are included in the water testing program?

• 100

• 200

• 120

• 150

What is the capacity of the reservoirs next to the treatment plant?

• 1.2 billion litres

• 1.5 billion litres

• 1.8 billion litres

• 2.0 billion litres