What Are The Main Sources Of Freshwater Pollution?

What are 3 causes of water pollution?

Discharge of domestic and industrial effluent wastes, leakage from water tanks, marine dumping, radioactive waste and atmospheric deposition are major causes of water pollution.

Heavy metals that disposed off and industrial waste can accumulate in lakes and river, proving harmful to humans and animals..

What are the four major water pollutants?

5 Major Water PollutantsMICROBIAL. Pathogens can be bacteria, protozoa or viruses. … ORGANIC MATERIAL. Organic materials are things like petroleum, insecticides and herbicides, detergents, disinfecting cleaners, and prescription drugs. … INORGANIC MATERIAL. … MACROSCOPIC. … THERMAL.

What are the major sources of freshwater pollution?

Human waste, animal excrement, chemical waste, pesticides, industrial wastes are the major causes of water pollution. Freshwater pollution is the contamination of streams, rivers, lakes & groundwater. When water is polluted it not only harms the environment, the aquatic creatures but also human heath.

What are the 5 sources of water pollution?

Sources of Water PollutionSewage (Waste Water) Sewage is another name for waste water from domestic and industrial processes. … Agricultural Pollution. The agriculture industry covers 76% of the land area of England and Wales. … Oil Pollution. … Radioactive Substances. … River dumping. … Marine Dumping.

What are major sources of river pollution?

In the United States, agricultural pollution is the top source of contamination in rivers and streams, the second-biggest source in wetlands, and the third main source in lakes. It’s also a major contributor of contamination to estuaries and groundwater.

What are some examples of water pollution?

What Are the Different Types of Water Pollution?Chemical pollution. The most common type of water pollution, chemicals can infiltrate both underground water sources and those sitting on the Earth’s surface. … Groundwater pollution. … Microbiological pollution. … Nutrient pollution. … Oxygen-depletion pollution. … Surface water pollution.

What is a direct source of water pollution?

Direct sources include effluent outfalls from factories, refineries, waste treatment plants etc.. that emit fluids of varying quality directly into urban water supplies. … Indirect sources include contaminants that enter the water supply from soils/groundwater systems and from the atmosphere via rain water.

What are the main source of pollution?

There are four main types of air pollution sources: mobile sources – such as cars, buses, planes, trucks, and trains. stationary sources – such as power plants, oil refineries, industrial facilities, and factories. area sources – such as agricultural areas, cities, and wood burning fireplaces.

How can we prevent freshwater pollution?

Ten Things You Can Do To Reduce Water PollutionDO NOT pour fat from cooking or any other type of fat, oil, or grease down the sink. … DO NOT dispose of household chemicals or cleaning agents down the sink or toilet. … DO NOT flush pills, liquid or powder medications or drugs down the toilet. … Avoid using the toilet as a wastebasket. … Avoid using a garbage disposal.More items…

What are the 10 causes of water pollution?

Various Causes of Water PollutionIndustrial Waste. … Sewage and Wastewater. … Mining Activities. … Marine Dumping. … Accidental Oil Leakage. … The burning of fossil fuels. … Chemical fertilizers and pesticides. … Leakage From Sewer Lines.More items…

What are effects of water pollution?

Some of these water-borne diseases are Typhoid, Cholera, Paratyphoid Fever, Dysentery, Jaundice, Amoebiasis and Malaria. Chemicals in the water also have negative effects on our health. Pesticides – can damage the nervous system and cause cancer because of the carbonates and organophosphates that they contain.