SOURCES OF WATER POLLUTION

1. Water :- a scarce natural resource
sources of water pollution

2. Water:-an important gift of nature!!!
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5. Organic Pollutants
Inorganic Pollutants
Microbiological Pollutants
Radioactive Pollutants
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6. Water pollution
NON - POINT SOURCE :
A widely spread source of
pollution that can’t be tied to
a specific point of origin. E.g.,
run off from farms or roads.
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7. Types &Sources
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9. o Domestic wastes
o Agricultural
discharges
o Soluble effluents
o Mine spills
o Earthen septic tanks
o Refuse dumps
o Transport accidents
o Industrial effluents
o Run-off from urban
areas
o Waste water
treatment lagoons
o Seepage pits
o Barnyard manures
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11.  Sewage &waste
 Surface run-off & dissolved toxic chemicals
 Radioactive pollutants
 Industrial effluents
 Infectious agents
 Organic chemical exotics
 Eutrophication.
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13. • Discharge of organic chemicals
• Industrial toxic effluents
• Waste sludges
• Eutrophication
• Dumping of waste
• Drainage contamination.
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15. • Sewage
• Waste water
• Dumping
• Industrial waste
• Oil pollution
• Acid rain
• Global warming
• Eutrophication.
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17. • Urban sewage
• Industrial waste
• Inland mining
• Land run-off
• Oil pollution
• Deep sea mining
• Climate change
&atmospheric pollution
• Eutrophication.
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21. REFERENCES
Text Book Of Biotechnology By
U.Satyanarayana.
Text Book Of Environmental Chemistry By
H.Kaur.
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22. THANK YOU…
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