Water
covers more than 70% of the earth, water is one of the most precious natural resources of our
planet . the reason being that about 97% of total water is salty, and therefore not
portable, a further 2% is locked
of it useful for consumption. Apart from clean drinking of it useful for consumption. Apart from
clean drinking water, we also need to
keep the water in the oceans rivers and lakes unpolluted because other wise ,
it harm the very planet we survive on.
However, with human pollution increasing rapidly and industrialization,
water resources all over the world are getting polluted, so much so, that
precious and unique organisms and
ecosystems are being harmed and
even going extinct at an alarming
rate
DEFINITION of Water
pollution: This is an undesirable change in
the state of water, contaminated
with harmful substances it is the
second most important environmental
issue next to air pollution. Any change
in the physical, chemical and biological properties of water that has harmful
all the major water bodies of the world such as
lakes , rivers, ocean and ground water
SOURCES OF
WATER POLLUTION
The
major source of water pollution include
-
Domestic
wastes (SEWAGES) Discharges
-
Industrial effluent
-
Agricultural
waste
-
Oil
/ chemical spill
-
Marine
dumping (garbage discharge)etc
-
Point
source : discharged from a discrete location
-
Non
point - non location
EFFECTS OF WATER
POLLUTION ON MARINE LIFE
·
Deoxygenating
of water rand animate flora and fauna in streams, lake, river
·
Enhance
the growth of bacteria in water and increase the concentration
·
Affects
the whole ecosystem
·
Effects
on human animal
·
Animals
/ human consumes polluted floral fauna
in polluted water, which can cause diseases to
them it can also lead to cancer ad diarrhea
GENERAL PREVENTION OF WATER POPULATION
·
Treat sewage before disposal
·
Oil
sucks shoved be skimmed off from the
surface with suction device
·
Avoid
dumping of waste into the water bodies.
·
Ill
effect of sewage polluted water pathogens present in the water spread many different
diseases .
THE MAJOR SOURCE OF WATER POLLUTION
From melbourne
operation includes soil and chemical discharge
Sewage
Discharge
Garbage’s
water pollution
Transportation
of oil
Discharge of
waste /sewage
Tank
overflow
Tank
leakage