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How Does Water Affect The Quality Of Water

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How Does Water Affect The Quality Of Water
What my project is about:
I will be comparing results from water testing I did at two different water bodies to prove that the catchment area has an influence over the water quality in the different water bodies. The first water body I tested was the small dam in the bokkie park situated in between residential areas and in the middle of a piece of land solely used for animals. The second water body I tested was the small dam across the road from the Trinity Church in Boksburg on Rondebult Road, which is in a veld and has no residential areas surrounding it and very few wild animals which live in the veld to contribute to the quality of the water.

Aim:
The aim of these tests will be to prove that the quality of water will be worse in the
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These encourages the growth of microscopic green plants termed algae. As nutrients are present in sewage effluent, the problem is accentuated wherever there is a concentration of humans or animals. The algae cause problems in water purification, e.g. undesirable tastes and odours, and the possible production of trihalomethanes or other potentially carcinogenic products in water that is treated with chlorine for potable purposes.

Erosion and sedimentation

Average sediment yields for South African catchments range from less than 10 to more than 1 000 tonnes/km2/annum. In some parts of the country erosion has increased by as much as tenfold as a result of human impacts. Apart from the loss of fertile agricultural soil, off-site damage like loss of valuable reservoir storage, sediment damage during floods and increased water treatment costs, have been largely ignored even though these are estimated to be in excess of R 100 million per year.
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The Bokkie Park has a large range and number of animals so the waste produced by these animals is quickly washed into the water body and the nitrates and nitrites level in the water increases.
Research on water quality at the Bokkie Park:
“Ekurhuleni Metro advises residents of Boksburg and visitors to the Bokkie Park not to be alarmed at the state of the facility, following flood damage caused by heavy rains on Monday last week (23 February 2013).
Heavier than normal rainfall damaged the dam wall in the south western corner on Hertzog Street, leaving it empty and also causing water loss from the Cinderella Dam further downstream.
"The immediate plan is to divert the flow of water to an adjacent water course to enable machinery and equipment for the bolstering of the dam wall to be brought in," explains council spokesperson, Zweli

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