Water pollution occurs when harmful substances are directly or indirectly discharged into water bodies without treatment. It affects plants and organisms living in these bodies of water. The main causes of water pollution are sewage, farm and industrial waste, mining, oil spills, and chemical waste. Water pollution kills aquatic animals and disrupts food chains, leading to diseases in humans from contaminated drinking water or seafood. Prevention efforts include properly disposing of waste, conserving water usage, and using environmentally safe chemicals.

1. Water Pollution
Made by SIDDHANT SWAROOP V HT

2. What is Water
Pollution?

3. Water pollution is the contamination
of water bodies
(e.g. lakes, river, oceans, aquifers and grou
ndwater). This form of environmental
degradation occurs when pollutants are
directly or indirectly discharged into water
bodies without adequate treatment to
remove harmful compounds.
Water pollution affects the entire
biosphere – plants and organisms living in
these bodies of water. In almost all cases
the effect is damaging not only to
individual species and population, but also
to the natural biological communities.
What is water
pollution?

4. Causes of water
pollution

5. 1.Sewage and wastewater
2.Pollution from farms
3.Mining
. Mining activities consumes large
amounts of water in processing the
ores from the mines. In addition, mining
also results in large amounts of
chemicals, heavy metals soil and other
waste rock materials contaminating
and polluting the water bodies.
4.Oil spills in water
5. Chemical and industrial waste
Causes of Water
pollution

6. Harmful Effects of water
pollution

7. Death of aquatic (water) animals
The main problem caused by water pollution is that it kills life that
depends on these water bodies. Dead fish, crabs, birds and sea gulls,
dolphins, and many other animals often wind up on beaches, killed by
pollutants in their habitat (living environment).
Disruption of food-chains
Pollution disrupts the natural food chain as well. Pollutants such as lead
and cadmium are eaten by tiny animals. Later, these animals are
consumed by fish and shellfish, and the food chain continues to be
disrupted at all higher levels. Diseases
Eventually, humans are affected by this process as well. People can get
diseases such as hepatitis by eating seafood that has been poisoned. In
many poor nations, there is always outbreak of cholera and diseases as a
result of poor drinking water treatment from contaminated waters.
Destruction of ecosystems
Ecosystem (the interaction of living things in a place, depending on each
other for life) can be severely changed or destroyed by water pollution.
Many areas are now being affected by careless human pollution, and this
pollution is coming back to hurt humans in many ways.
Diseases
Eventually, humans are affected by this process as well. People can get
diseases such as hepatitis by eating seafood that has been poisoned. In
many poor nations, there is always outbreak of cholera and diseases as a
result of poor drinking water treatment from contaminated waters.
Harmful effect

8. Prevention

9. You can help
Never throw rubbish away anyhow. Always look for the
correct waste bin. If there is none around, please take it
home and put it in your trash can. This includes places
like the beach, riverside and water bodies.
Use water wisely. Do not keep the tap running when not
in use. Also, you can reduce the amount of water you use
in washing and bathing. If we all do this, we can
significantly prevent water shortages and reduce the
amount of dirty water that needs treatment.
Do not throw chemicals, oils, paints and medicines down
the sink drain, or the toilet. In many cities, your local
environment office can help with the disposal of
medicines and chemicals. Check with your local
authorities if there is a chemical disposal plan for local
residents.
Buy more environmentally safe cleaning liquids for use at
home and other public places. They are less dangerous to
the environment.
If you use chemicals and pesticides for your gardens and
farms, be mindful not to overuse pesticides and
fertilizers. This will reduce runoffs of the chemical into
nearby water sources. Start looking at options of
composting and using organic manure instead.
Prevention