Managing the Supply of Clean Water

The main stages of water treatment are (in order):

• Rivers, lakes and taps

• Collection, treatment, delivery

• Delivery, collection, chlorination

• Treatment, collection and delivery

In parts of Bangladesh, groundwater is contaminated by:

• Fish

• Poison

• Arsenic

• Lead

Which process is used to remove biological growth from water?

• Aeration

• Sedimentation

• Filtration

• Chlorination

Which process is used to remove suspended solids from water?

• Aeration

• Sedimentation

• Filtration

• Chlorination

Which process is used to remove fine sediments from water?

• Aeration

• Sedimentation

• Filtration

• Chlorination

Way to distribute water moanly found in developing countries:

• Standpipes

• Drone

• Pipes to each home

• Tankers

Dams are good because they:

• Look nice

• Allow regulation of water in times of drought

• Don't produce HEP

• Flood people's homes and settlements

A reservoir is a:

• Man-made lake

• Man-made river