water pollution its types and the causes of water pollution its effects on the living organisms and how it is destroying the aquatic life

1. WATER
POLLUTIO
N

2. GROUP MEMBERS
AYESHA MAJEED
HAFIZA SAMIA IFTIKHAR
MEHWISH BATOOL
IQRA GHAZANFAR
AFIFA SALIAH SHAFIQ
SABA

3. INTRODUCTION
70% of Earth’s
Surface
Most precious
natural resource
Hydrogen and
oxygen
Growth and
prosperous life

4. WATER POLLUTION
Contamination of water
bodies
Lakes, rivers, oceans,
aquifers, ground water
Human activities
Pollutants
Particles or Chemicals
that pollute

5. Water Pollution is the second most
imperative environmental concern
after Air Pollution
Any change or modification in the
physical, chemical or biological
properties of water that have
detrimental consequences--pollution

6. POINT SOURCE
NON-POINT
SOURCE
 Pollutants that belong
to a single source
 Discrete conveyance
 Emissions from factories
 Sewage treatment plant
Pollutants emitted from
multiple sources
Diffused contamination
Contaminated water
after rain through
different regions
Leaching of nitrogen
compounds from an
SOURCE
S

7. NON- POINT
Source
POINT
Source

8. NUTRIENTS pollution
Fertilizers, wastewater, sewage
Algae, weed growth
SURFACE WATER pollution
Dissolve on the surface
OXYGEN DEPLETING
pollution
Aerobic and anaerobic organisms
Biodegradable matter
GROUND WATER pollution
Pesticides and other chemicals which seep
TYPE
S

9. TYPE
S
MICROBIOLOGICAL
pollution
Natural pollution
Viruses, bacteria, protozoa- affecting
aquatic life
SUSPENDED MATTER
pollution
Particulate matter
CHEMICAL WATER pollution
Industries and farmers work
OIL SPILLAGE
Localized effect but can spread

10. Agricultural water pollution

11. Biotic factors
 Pesticides
 Fertilizers
 Radioactive
elements
 Organic
contaminants
 heavy metals
 lead, Cd, Ar, Hg
Abiotic factors
Greenhouses
gases from
livestock
Bio pesticides
Leading source of water quality impacts to rivers
and lakes.
Nonpoint source pollution
Biotic and abiotic by products

12. sources
Barnyards
Feedlots and cropland
Fertilizers
Pesticides
Livestock waste
 Oil
Toxins from farm equipment
 Soil and sediment

13. Effects
• Health problems
• Blue baby syndrome
• Pesticides and other toxins kill
aquatic life
• Cause health problems when
they get into drinking water.
• Bacteria and parasites can cause
illness and death

14. Solutions
Soil Test
Don't fertilize before a rain
storm.
Use organic fertilizers
Substitute biological methods.
Recycle oil, antifreeze,
batteries, fertilizer, pesticides

15. Control runoff
Keep barnyards and feedlots
clean
Routinely pick up of livestock
waste
Maintain proper storage
monitor containers for leaks

16. Industrial Water Pollution
IQRA GHAZANFAR

17. Introduction
Make
water
unsuitable
Caused by
discharge of
harmful
chemicals
wide
spectrum
of
problems

18. Lack of stringent polices
CAUSES
Lack of strict pollution control

19. Use of outdated
technology
Rely on
outdated
technologies
Less
efficient

20. Lack of capital
Water is not treated
adequately before
discharging
Leaching of
resources from
mines
Make land
useless for
agricultural
activities
Wastes generated
during mining

21. EffectsOf IndustrialWaterPollution

22. Effects on the Ecosystem
• The water used in industries comes in contact with
toxic chemicals, heavy metals, organic sludge, and
even radioactive sludge.
• When such polluted water is thrown into the
ocean or other water bodies without any
treatment.
• They become unfit for any human and agricultural
use.

23. Thermal Pollution
• The radioactive sludge remain in water
body for many decades and pose serious
health risks for people.
• Nuclear reactors are also a major
source of thermal pollution along with
power plants.
• Thermal pollution refers to an increase
in ambient water temperature.
• It can have an adverse effect on
aquatic or marine life, as some

24. Effect of Eutrophication
• When the nutrient content of water increases,
which is known as eutrophication, it can
promote algal bloom.
• Algal bloom can deplete the oxygen content of
water.
• Algal bloom is often followed by the death of
large quantity algae, which are decomposed by
bacteria by using oxygen.

25. • The entire process of algal bloom, and the bacterial
decomposition of algae deplete the amount of
dissolved oxygen in water.
• Sometimes, this process can reduce the oxygen
content of water to such an extent that it can no
longer support aquatic life.
• Such hypoxic areas of ocean, where marine life
cannot survive are known as dead zones.

26. Effect of Chemicals
 Sulphur
Asbestos
Lead and
Mercury
Nitrates and
phosphates
Oils

27. DOMESTIC
SOURCES OF
WATER
POLLUTION By: Afifa Saliah
Shafiq

28. Domestic pollution
•Sewage waste water containing
human, animal, and laundry
waste
•Sewage disposal, a major problem
•Untreated sewage water may result in
out break of several
diseases
Domestic Pollution
is the pollution
caused to the earth
by domestic use.

29. Sources:
• Domestic sewage
• Waste from food preparation,
dishwashing, garbage, toilets, baths,
showers etc.
• Dissolved and suspended pollutants
• Organic materials( food and vegetable
wastes)
• Sewage originating primarily from kitchen,
bathroom, and laundry sources
• Detergents and washing powders
containing phosphates > soften water