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Sources of Bacteria in Drinking Water |
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Written by Ute Rothkegel
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Tuesday, 12 February 2008 |
When considering the safety of drinking water the presence of bacteria is of immense concern. Pathogenic organisms may cause illnesses, intestinal infections, dysentery, typhoid fever, cholera and even death, especially amongst the elderly, immune-depressed and young children. Human and animal waste matter is a primary source of bacteria in water. This supply of bacterial contamination emanates from the run-off of pastures, dog routes or other land areas where such bodily waste is deposited. Other factors are seepage or discharge from septic tanks and sewage plants as well as normal soil/plant decay bacteria.
Bacteria can enter wells! Wells that have large openings which are not covered and well-sealed make it easy for insects, rodents or other animals to enter. Older water systems, dug wells, spring-fed systems and cistern-type systems are most vulnerable to bacterial contamination. Flood waters commonly contain high levels of bacteria. Should the well be situated so that surface run-off can enter, it is likely to get contaminated. Bacterial contamination cannot be detected by sight, smell or taste!! The only way to know if a water supply contains bacteria is to have it tested! |
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Last Updated ( Wednesday, 13 February 2008 )
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