2. Every day,
using water a
man does not
realize how
many harmful
organisms it
admits to the
organism.
3. The most known
source of
contamination of
water, which is
mainly
traditionally
spared, is water
in our houses
4. Sources of contaminationSources of contamination
of water:of water:
settlementssettlements
industryindustry
agricultureagriculture
contamination of water
5. The most known sourceThe most known source
of water contaminationof water contamination
is a domestic (oris a domestic (or
communal) flow water.communal) flow water.
contamination of water
6. In the industrially developedIn the industrially developed
countries the main user ofcountries the main user of
water and most source ofwater and most source of
flows is industry. Industrialflows is industry. Industrial
flows in the rivers on volumeflows in the rivers on volume
komunal'no-pobutovi exceedkomunal'no-pobutovi exceed
in 3 times.in 3 times.
contamination of water
7. The second basic user ofThe second basic user of
water is agriculture whichwater is agriculture which
uses it for irrigation of theuses it for irrigation of the
fields. Water which flowsfields. Water which flows
down from them isdown from them is
saturated solutions of saltssaturated solutions of salts
and ground particles, andand ground particles, and
also by tailings of chemicalalso by tailings of chemical
matters which arematters which are
instrumental in theinstrumental in the
increased productivity.increased productivity.
contamination of water
8. The most scale non-The most scale non-
permanent use of water ispermanent use of water is
a production of electrica production of electric
power, where it is usedpower, where it is used
mainly for cooling andmainly for cooling and
condensation of steamcondensation of steam
which has been producedwhich has been produced
by the turbines ofby the turbines of
thermal power-stations.thermal power-stations.
contamination of water
9. Everybody must
save the greatest
treasure-health.
Our health is
influenced by
quality of water,
which we
consume.
Therefore we
have to care of
our ecology.
