Waste Water Management

Waste water management Worksheet-1

Multiple-Choice Questions:

1. Which one of the following methods of waste management involves turning waste material into new items?

(a) Recycling       (b) Composting   (c) Incineration   (d) Landfill

2. The quality of water in our streams is important in the prevention of pollution. Which one of the following factors is least important in keeping a high standard of water quality?

(a) Preventing run-off of fertilizers into streams.

(b) Reducing the amount of plastic wrapping on goods.

(c) Treatment of raw sewage.

Waste water management Worksheet-2

Match the following:

Fill in the blanks:

1. All the wastewater that is released from various sources forms the sewage which contains suspended impurities called _____.
2. An excessive growth or 'blooms' of algae in lakes rich in nutrients such as phosphates is called _____.
3. The wastewater is passed through a grit and sand removal tank called the ______.

True False:

Waste water management Worksheet-3

Multiple-Choice Questions:

1. Which of the following is not a useful method for reducing agricultural runoff into waterways?

(a) Construct collection ponds for animal wastes from feedlots and dairy barns.

(b) Use natural organic fertilizers in place of synthetic inorganic fertilizers.

(c) Allow livestock to wade in and drink from the water.

(d) Maintain vegetation or a mulch cover over soil.