Water pollution
- 1. WATERPOLLUTION PREPARED BY NIKHILESH MANE -155086 ADITYA MENON - 155087 RAYED SHAIK -155087
- 2. CONTENT DEFINE TYPES OF WATER POLLUTION SOME FACTS ABOUT WATER CAUSES OF WATER POLLUTION EFFECTS OF WATER POLLUTION PREVENTION
- 3. Waterpollution Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater), very often by human activities.
- 4. Types of water pollution Surface water pollution…. Found on the exterior of the earths crust , oceans, rivers . Ground water pollution… Found in soil or under rock structure or aquifers .
- 5. • Surface water pollution:- • Ground water pollution:-
- 6. SOME FACTS ABOUT WATER • Nearly 97% of the world's water is salty or otherwise undrinkable. • 75% of the human brain is water and 75% of a living tree is water. • A person can live about a month without food, but only about a week without water. • Some 1.8 billion people worldwide drink water that is contaminated with feces.
- 7. Causes of water pollution • Industrial waste:- Industrial waste is the waste produced by industrial activity which includes any material that is rendered useless during a manufacturing process such as that of factories, industries, mills, and mining operations. It has existed since the start of the Industrial Revolution.
- 8. • Marine dumping:- The garbage produce by each household in the form of paper, plastic, foodetc if collected and deposited in sea. These items 200 years to decompose. When such items enters the sea harm animals in the sea. • Accidental Oil leakage:- Oil spill pose a huge concern as large amount of oil enters into the sea and does not dissolve with water; there by opens problem for local marine wildlife such as fish, birds and sea otters. For e.g.: a ship carrying large quantity of oil may spill oil if met with an accident
- 9. • Urban development: Population has grown, so has the demand for housing, food and cloth. As more cities and towns are developed, they have resulted in increase use of fertilizers to produce, increase in construction activities, inadequate sewer collection and treatment, landfills as more garbage is produced, increase in chemicals. Animal waste :- The waste produce by animals is washed away into the rivers when it rains. It gets mixed up with other harmful chemicals and causes various water borne diseases like cholera, diarhea, jaundice, dysentery and typhoid.
- 10. EFFECTS OF WATER POLLUTION • Effect of Organic Pollution on Water Quality - • Death of aquatic (water) animals - • Diseases - • Destruction of ecosystems -
- 11. PREVENTIONS • Sewage treatments:- • Prevent river water to get polluted:- • Routine cleaning :-
- 12. • Self hygiene:- • Avoid boats that use harmful fuels:- • Keep the pond water clean and safe:
- 13. Some preventivemeasuresby governigbodies • The Water (Prevention and Control of Pollution) Act was enacted in 1974 to provide for the prevention and control of water pollution • The United Nations General Assembly responded by designating 22 March 1993 as the first World Water Day.
- 14. THANK YOU