This has increased water treatment costs by almost $4.00 per 1,000 gallons, according to the EPA "Primary treatment" removes about 60 percent of suspended solids from wastewater. To reduce water pollution, use natural cleaners like vinegar and baking soda in place of toxic chemicals like bleach and ammonia. The most deadly form of water pollution, pathogenic microorganisms that cause waterborne diseases, kills almost 2 million people in underdeveloped countries every year. Bodies of water can become polluted in a number of ways. If a water source becomes contaminated due to pollution, it can lead to health issues in humans, such as cancer or cardiovascular conditions. Secondary treatment removes more than 90 percent of suspended solids. Surface Water Pollution Causes . Water is an essential resource for all life on Earth. Sewage Water Pollution: A Deadly Threat to Biodiversity. Water pollution and treatment PPT 1. Poor drinking water treatment and unfit water can always cause an outbreak of infectious diseases such as cholera etc. For example, the Great Lakes in Minnesota suffer from enormous algae blooms. (The next page explains that process) There are also lots of organizations and groups that help educate people about the dangers of water pollution. Dilution. Examples of non-point source pollution … Point source pollution refers to contaminants that enter a waterway via a single, identifiable source, such as a waste water treatment pipe or a factory chimney.Non-point source pollution is when the contamination is coming from many scattered locations. With proper treatment of water, it is possible to reduce water pollution. This is due to the additional energy costs and chemicals to filter and clean the water. It has been suggested that it is the leading worldwide cause of deaths and diseases, and that it accounts for the deaths of more than 14,000 people daily. First, pollution increases water treatment prices. Related Topics: Increased Water Treatment Costs . As solid material decays, it uses up oxygen, which is needed by the plants and animals living in the water. Inadequate sewage collection and treatment are sources of water pollution. This treatment also involves aerating (stirring up) the wastewater, to put oxygen back in. 7.4 Water Treatment Resolution of the global water pollution crisis requires multiple approaches to improve the quality of our fresh water and move towards sustainability. The processes in a water treatment plant are shown in the illustration. In today's world, sewage water pollution is one of the major problems faced by most cities. Additionally, avoid using pesticides and herbicides in order to prevent groundwater contamination. The methods used for the treatment of wastewater depend upon the characteristics of the particular wastewater ( sewage treatment), contaminants present and final mode of disposal. Prior to industrialization, the pollution of rivers and streams was not as significant a problem. In many developed cities, waste or sewage treatment is very efficient and designed to minimize pollution of water bodies. The ecosystem can be critically affected, modified and destructured because of water pollution. According to the United Nations, more than 80% of the worldwide wastewater goes back in … This kind of pollution leads to health-related and environmental issues. Water Pollution Water pollution is any chemical, biological, or physical change in water quality that has a harmful effect on living organism or makes water unsuitable for desired uses. Humans are affected by pollution and can contract diseases such as hepatitis through faecal matter in water sources. The external cost of pollution caused by automobiles has been estimated well over $50 billion a year, with some estimates as high as $234 billion. 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