(a) List five sources of water… | Geography

Question 1 Report

(a) List five sources of water pollution

(b) Highlight five measures that can be taken to control water pollution.

Answer

Answer Details

(a) Five sources of water pollution

Industrial waste and effluents discharged into rivers and lakes.
Domestic sewage and human waste.
Agricultural chemicals (fertilisers, pesticides and herbicides) washed into water bodies.
Oil spillage from tankers, pipelines and oil-drilling operations.
Dumping of refuse and solid waste into water bodies.
Mining waste and toxic tailings.
Thermal (hot water) discharge from industries.

(b) Five measures to control water pollution

Treatment of industrial and domestic waste before it is discharged into rivers, seas or lakes.
Enforcement of anti-pollution laws and penalties against offenders.
Proper waste disposal: provide sewage systems and refuse dumps away from water bodies, and discourage dumping of refuse into rivers.
Controlled use of agricultural chemicals (fertilisers and pesticides) and use of organic manure.
Prompt clean-up and prevention of oil spillage and regular maintenance of pipelines and tankers.
Public enlightenment and education on the dangers of water pollution.
Recycling of waste and building of buffer/vegetation strips along water bodies.

(a) List five sources of water pollution (b) Highlight five measures that can be taken to control water pollution.