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Water safety is characterised by microbiological, physical, chemical and radiological quality

A poor water supply system can have negative health effects on people. Poorly treated or managed drinking water systems can result in an increase in illness (most likely gastrointestinal illness).

People can also be more susceptible to endemic micro-organisms as they are potentially exposed to different, or higher, levels of pathogens .

Infectious and parasitic diseases are still the principal cause of death and illness throughout the world, mostly because of the poor quality of water, and diarrhoea the first cause of morbidity.

2006-11-16 08:11:43 · answer #1 · answered by Goldista 6 · 0 0

It depends what you mean by bad - untreated water can cause chronic diarrhea due to bacteria. Water that is near a source of contamination - be it farm run-off with fertilizer in it or industrial pollutants - can cause cancer, other illnesses and birth defects. I know heavy metal pollutants can cause death as can radioactive waste near food/water sources.

Hope this helps.

2006-11-16 08:13:20 · answer #2 · answered by houlihanoriley 2 · 0 0

Intestinal parasites, giardia, cholera, diarrheal and gastrointestinal illnesses.

2006-11-16 08:06:16 · answer #3 · answered by surlygurl 6 · 0 0

cholera

2006-11-16 08:04:28 · answer #4 · answered by GreyMatter 2 · 0 0

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