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Water Pollution What is water Pollution? Water Pollution is the pollution of bodies of water, such as….. lakes, rivers, seas, the oceans, as well as groundwater. It occurs when pollutants reach this bodies of water, without treatment. Today water may be polluted by nitrates, oils, acid rain, phosphates and debris such as sediment fallen logs and so on. Introduction Water is typically referred to as polluted when it is impaired by anthropogenic contaminates. Due to these contaminates it either does not support a human use, such as drinking water, or undergoes a mark shift in its ability to support its biotic communities, such as fish. Natural phenomena such as volcanoes, algae blooms, storm and earthquakes also cause major changes in water quality and the ecological status of water. The organization Global Oceanic Environmental Survey (GOES) consider water pollution as one of the main environmental problems that can present a danger for the existence of life on earth in next decades. One of the main concerns is that water pollution heart phytoplankton who produce 70% of oxygen and remove a large part of carbon dioxide on earth. India and China are two countries with high level of water pollution. An estimated 580 people in India die of water pollution related illness every day. About 90% of the water in the cities of China is polluted. As of 2007 half a billion Chinese had no access to safe drinking water. 1. Type Surface water pollution It is also known as a Nutrient pollution. Surface water pollution includes pollution of rivers, lakes and ocean. A subset of surface water pollution is marine pollution. Eutrophying Emissions- Eutrophying Emissions 2. Type Marine pollution One common path of entry by contaminates to the sea are rivers. An example is directly discharging sewage and industrial waste into the ocean. Pollution such as this occurs particularly in developing nations. In fact, the least, China, Indonesia, Philippines, Thailand, Sri Lanka, Egypt, Malaysia and Bangladesh, largely through the rivers Yangtze, Indus, Yellow, Hay, Nile, Ganges etc… 90% of all the plastic that reaches the world’s oceans. There are a variety of secondary effects stemming not from the original pollutant, but a derivative condition. An example is silt bearing surface runoff, which can inhibit the penetration of sunlight through the water column, hampering photosynthesis in aquatic plants. 3. Type Groundwater Pollution Interactions between groundwater and surface water are complex. Consequently ground water pollution also referred to as groundwater contamination is not as easily classified as surface water pollution. By its very nature groundwater aquifers are susceptible to contamination from source that may not directly affect surface water bodies. Analysis of groundwater contamination may focus on soil characteristics and site geology, hydrogeology, hydrology and the nature of the contamination. Causes of groundwater pollution :      Naturally occurring Onsite sanitation system Sewage Fertilizer and pesticide Commercial and Industrial leaks Landfill leach ate.