Introduction to water pollution importance of water sources of pollution types of pollution point source non point source examples

1. WATER
POLLUTIO
N

2. INTRODU
CTION
70% of Earth’s
Surface
Most precious
natural resource
Hydrogen and
oxygen

3. POLLUTIO
N
Contamination of water
bodies
Lakes, rivers, oceans,
aquifers, ground water
Human activities
Pollutants
Particles or Chemicals
that pollute

4. 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

5. 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
RCE
S

6. 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
TYP
ES

7. NON- POINT
Source
POINT
Source

8. TYP
ES
MICROBIOLOGICAL
pollution
Natural pollution
Viruses, bacteria, protozoa- affecting
aquatic life
SUSPENDED MATTER
pollution
Particulate matter
CHEMICAL WATER pollution
Industries and farmers work
OIL SPILLAGE