it focus mainly on water pollution and their prevention.

1. By;
Sushant singh
Kartik soni
Prashant kumar
Dhanendra kumar singh
Class- 10th
Chrinjiv bharati school.
NATURE RECALL- SAVE WATER-
A LIFE HERITAGE
Zindagi
1

2. Content;
 Water pollution
 Chief source of water pollution
 Parameter; to check water pollution
 Disease caused by water pollution
 Prevention & control of water pollution
 Law
 observation
 Namami ganga plan
 Mai hoon bharat
2

3. WHAT’S NEED OF WATER ?
 Water is important constituent of life
support, for life it act as ventilator and it’s a
natural resource. The life is originated in
the water during primitive condition
gradually the time is passed life divided
into several fate.
 We depend on water for irrigation ,
industry, domestic needs, shipping and for
sanitation and disposal of waste .
3

4. A relation between water and life4

5. WHAT IS WATER POLLUTION ?
 When undesirable change in the physical,
chemical or biological characteristics of water
that may harmfully affect the life of any living
organism and it directly or indirectly change
the component of biosphere that’s harmful to
the living beings.
 Any substance which causes pollution is
called pollutants like any solid, liquid or
gaseous substance present in such
concentration that may have adverse effect on
5

6. CHIEF SOURCES OF WATER
POLLUTION
 Sewage and domestic wastes( human excreta,
paper, cloth, soap, detergents etc).
 Industrial effluents (oil, plastics, metallic wastes,
suspended solid, DDT, dyes, cyanides etc).
 Agricultural discharges (fertilizers and pesticides).
 Industrial wastes from chemical industries, fossil
fuel plants and nuclear power plants.
6

7. The figure which explain how water contaminated by human beings7

8. PARAMETER TO CHECK WATER
POLLUTION
 To check dissolved oxygen in water by the help of Winkler
dissolved oxygen test.
 To check by biochemical oxygen demand.
 To check by chemical oxygen demand.
 By the help of turbidity.
 By the help of total solids.
 To check nitrogen and phosphorous content in water body.
8

9. DISEASE CAUSED BY WATER
POLLUTION
 Minamata disease - by Mercury – antidote
BAL(dimercaprol).
 Leadlapsy- by lead.
 Knock-knee syndrome- by fluoride molecule.
 Itai-itai / ouch-ouch disease- by cadmium.
9

10. Adverse effect of pollution on human health10

11. PREVENTION AND CONTROL OF
WATER POLLUTION
 Reutilizations and recycling of waste .
 Removal of pollutants like ammonia, mercury,
phenolics etc.
 Decolonization of water.
 Treatment of water at different level that have
three step;
1. Primary treatment .
2. Secondary treatment.
3. Tertiary treatment.
 In next slide we will see all this steps.11

12. All the three steps to treat polluted water
12

13. LAW – TO CONTROL WATER
POLLUTION
1. The river boards act, 1956.
2. The water ( prevention and control of pollution)
act, 1974.
3. The environment ( protection ) act, 1986
Etc…….
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14. 14
OBSERVATION
THIS PICTURE HAD TAKEN BY ME FROM THE EDGE OF
GANGA RIVER WHICH IS HEAVILY CONTAMINATED BY
HUMAN ACTION ON THE NAME SHRADDHA ,AS WE CAN
SEE FROM THIS PICTURE.

15. NAMAMI GANGA
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16. 16
Save
culture
Save tiger unity
MAIN HOON BHARAT

17. 17
Thank
you