Std :- 8 th

Presented by

ESSENTIAL QUESTION

Q . WHAT IS ENVIRONMENTAL IMBALANCE ?

CONTENT QUESTIONSQ .1 WHICH ARE THE SOURSES OF WATER POLLUTION ?

Q .2 WHAT ARE TYPES OF WATER POLLUTION ?Q .3 WHAT ARE EFFECTS CAUSE BY WATER POLLUTION ?

Q .4 WHICH CONTROL MEASURES OF WATE POLLUTION ?

CONTENTSCONTENTS

1. CONCEPT OF WATER POLLUTION .

2. SOURSES OF WATER POLLUTION .

3. TYPES OF WATER POLLUTION .

4. EFFECTS OF WATER POLLUTION .

5. CONTROL MEASURES OF WATER POLLUTION .

WATER POLLUTIONWATER POLLUTION

DISCHARGE OF WASTE SUBSTANCES IN TO THE WATER RESULTING HARM TO LIVING RESOURCES , HAZARDOUS TO HUMAN HEALTH AS WELL AS FLORA & FOUNA THIS AFFECTED QUALITY OF WATER CALLED AS WATER POLLUTION.

SOURCES OF WATER POLLUTION

FERTILIZERS AND PESTICIDES

OILS

DOMESTIC WASTES & SEWAGES

INDUSTRIAL WASTES

RADIOACTIVE MATERIALS

EUTROFICATION

SOURCESSOURCES

TOXIC METALS

DETERGENTS

TYPES OF WATER POLLUTIONTYPES OF WATER POLLUTION

SURFACE WATER POLLUTION

GROUND WATER POLLUTION

SEA WATER POLLUTION

LAKE WATER POLLUTION

RIVER WATER POLLUTION

OIL POLLUTION

EFFECTS OF WATER POLLUTION

POLLUTED WATER

EFFECTS OF WATER POLLUTION

1. INDUSTRIAL POLLUTANTS

EFFECTS OF WATER POLLUTION

EFFECTS OF WATER POLLUTION

BRAIN & REPRODUCTIVE SYSTEM

LUNGS

EFFECT ON KIDNEY

2 . AGRICULTURAL POLLUTANTS2 . AGRICULTURAL POLLUTANTS

AFFECTS AQUATIC ECOSYSTEM .

CAUSES SOIL EROSION .

MORE PRON TO PEST ,DISEASES & INSECTS .

3 . TOXIC METALS3 . TOXIC METALS

Pb CAUSES ANAEMIA VOMETING .

MERCURY CAUSES HEADACHE, LOSE OF APETITE .

ARSENIC CAUSES LUNGS CANCER , MENTAL DISTERBANCE .

COBALT CAUSES LOW BLOOD PRESSURES ,DIARRHEA , SKIN IRRITATION .

4 . OIL POLLUTANTS4 . OIL POLLUTANTSOIL POLLUTANTS AFFECTS CENTRAL NERVOUS SYSTEM.

CONTROL OF WATER POLLUTION CONTROL OF WATER POLLUTION

ADOPTING WASTE WATER TREATMENT METHODS .PROPER DISPOSAL OF DOMESTIC WASTE & SEWAGES.

BY RECYCLING OF WASTE WATER.

AVOID DISCHARGE OF OILS CAN BE CLEAN BY SEVRAL METHODS WITHOUT AFFECTING FIORA & FOUNA.

ACCIDENT SHOULD BE MINIMIZE BY PROPER NETWORKING & GUIDENCE IN THE SEA .

ACCIDENT SHOULD BE MINIMIZE BY PROPER NETWORKING & GUIDENCE IN THE SEA .BY CONDUCTING PROGRAMS REGARDING AWARENESS OF PEOPLES ABOUT IMPORTANCE OF WATER.