Water Pollution and Treatment

What is the third step in the water treatment process?

What is the 5th step in the water treatment process? What is the purpose of it?

What type of water pollution comes from oil, gasoline, plastics, detergents, often from surface runoff, industries, and cleaners?

What type of water pollution comes from organic waste that needs oxygen. This often comes from animal waste, paper mills, and food processing.

What type of water pollution comes from acids and toxic chemicals often from runoff, industries, and household cleaners?

What type of pollution comes from water soluble nitrates, ammonia and phosphates. They are often from sewage, agriculture, and urban fertilizers.

What type of water pollution is the largest contributor to ocean dead zones?

What type of water pollution comes from bacteria & viruses often from animal and human waste?

What is the source of pollution called when you cannot specifically locate where it is coming from?

What is the fourth step in the water treatment process?

What is the largest source of water pollution?

What is the source of pollution called when you can specifically locate where it is coming from?

What is the first step in water treatment? What does it do?

What are some optional last steps in water treatment?

What is the second step in the water treatment process? What does it do?

What type of water pollution comes mostly from power plants?

What type of water pollution comes from soils and silts from land erosion?