Water pollution occurs when contaminants are released into water sources, degrading water quality for other uses. There are several types of water pollution including surface, ground, and microbiological. Pollution can originate from point sources like pipes or nonpoint sources from many scattered locations. Water quality is measured chemically and biologically. Major causes of pollution include industrial and sewage waste, marine dumping, and oil. Pollution has negative environmental effects like toxic water and impacts humans and animals by increasing disease and mortality. Individual actions like conserving water and proper disposal of waste can help address the problem, along with education, legislation, and economic measures.

1. Water Pollution
Prepared by : Group 4

2. Water Pollution
Water Pollution occurs when energy and other materials are released
into the water, contaminating the quality of it for other users.

3. Types
Surface water pollution
> found on the exterior of the Earth's crust,
oceans, rivers and lakes
Groundwater Pollution
>found in soil or under rock structure or aquifers
Aquifer- is a layer of rock or sand that can absorb and hold water. It feed
our rivers and supplies much of our drinking water.

4. Microbiological pollution
>microorganisms that thrives on water and fishes
that can cause illness to land animals and humans
Oxygen Depletion pollution
>microorganisms that in water and feeds
on biodegradable substances

5. Ways in which pollution can occur
Point Source Pollution – it is a pollution
comes from a single location.
Nonpoint-source Pollution – a great deal of
water happens not from one single source
but from many different scattered sources.
Transboundary Pollution – pollution that
enters the environment in one place has
an effect hundred or even thousands of
miles away.

6. 2 Main Ways of Measuring the Quality
of Water
Chemical Indicaator - to take samples of the
water and measure the concentration of
different chemicals that it contains.
Biological Indicator – examining the fish,
insects and other invertebrates that the water
will support.

7. Different Causes of Water
Pollution
 Marine Dumping
 Industrial Waste
 Sewage, mainly
from households

8. Different Causes of Water
Pollution
 Nuclear waste
 Oil pollution
 Underground
storage leaks

9. Effects on Environment
 Toxic water
 Thermal
heating
 Our sources
of water

10. Effects on Humans
 Diseases caused
by:
 Drinking
contaminated
water
 Swimming in
polluted water
 Contact with
chemically
polluted water

11. Effects on Animals
 200 turtles in Australia’s surround
waters die each year

12. Effects on Animals
 Birds and mammals become
coated with oil

13. What You Can Do

14. Turn off running water

15. Be cautious of what you pour in
your sink/flush down your toilet

17. Fertilize correctly

18. Participate in a clean up

19. Join a special society devoted to the
prevention of water pollution

20. Spread awareness

21. 3 things that help to tackle the
problem
Education
Law
Economics

22. THANK YOU!!!