Lesson 17

Question 1

defined as those entering the entering environment from a fixed source

Answer 1

Point Source Pollution

Question 2

Types of sources of water pollutants

Answer 2

Point Sources
Non-Point Sources

Question 3

5 general sources of water pollutants

Answer 3

Domestic Sewage
Industrial Wastewater
Agricultural Run-off
Stormwater Run-off
Naturally-Occurring sources

Question 4

defined as wastewater discharged from residential commercial, institutional, recreational and industrial facilities where wastes are generated through the use of dining facilities, shower rooms and toilets.

Answer 4

Domestic Sewage

Question 5

principal example of a point source

Answer 5

Industrial Wastewater

Question 6

discharged by industries after water has been utilized in production processes.

Answer 6

Industrial Wastewater

Question 7

Examples of non-point sources.

Answer 7

Agricultural Run-off

Question 8

wastewater from farms which often carries fecal materials, soil particles, fertilizers (phosphates and nitrates), and pesticides.

Answer 8

Agricultural Run-off

Question 9

results from rainfall and may cause turbidity and contamination of receiving water bodies.

Answer 9

Stormwater Run-off

Question 10

Surface Water Quality Issues and Concerns

Answer 10

Untreated Domestic Sewage
Industrial Wastewater Pollution
Threats from non-point pollution Sources
Inefficient Solid Waste Management

Question 11

a leading contributor to water pollution.

Answer 11

Untreated Domestic Sewage

Question 12

Those contribute extraneous materials into watercourses from an extensively wide area thus making it much harder to control.

Answer 12

Non-point sources

Question 13

has a major contribution to water quality deterioration.

Answer 13

Inefficient solid waste management