Iron is a naturally occuring mineral found in the world. It dissolves in ground water when water filters through surrounding rock. The presence of iron in drinking water does not create a health hazard according to the environmental protection agency. However iron creates an unpleasant taste and in high concentration a flow of rusty red water from taps.It can create a scale despite of iron in the pipes which can block water flow or damage hot water tanks in the laundry, iron deposit on cloths staining fabric yellow, orange or brown. Depending on the concentration more than one removal option may be necessary.