Posted Tuesday, June 14th, 2011 by & filed under FAQs.

"E. coli is a type of fecal coliform bacteria commonly found in the intestines of animals and humans. E. coli is short for Escherichia coli. The presence of E. coli in water is a strong indication of recent sewage or animal waste contamination. Sewage may contain many types of disease-causing organisms." The full fact sheet is on the web at: http://www.epa.gov/safewater/ecoli.html

The fact sheet begins with a discussion of one rare strain of E. coli, strain 0157:H7, that has caused serious disease. Fortunately this strain is rarely encountered. The great majority of E. coli strains do not themselves cause disease. However, since E. coli typically grows in the gut of humans, warm-blooded mammals, and birds, and is normally excreted by the billions in their waste, and it normally dies or is eaten by other microbes within a few days or weeks of being released into the environment, then finding E. coli in your drinking water is a good indication that sewage or animal waste was recently in contact with your water. And since sewage and animal waste can carry a wide variety of other microbes, some of which do cause disease, the presence of E. coli suggests that other, more dangerous, microbes might be present.

Public water supplies are usually disinfected with chlorine, ozone, or some other process. Finding E. coli in a public water supply indicates that the disinfection process was not working, or that contact with the waste occurred after the water was treated. If your sample was from a public water supply, you should notify the water supplier. If your sample was from a private well or other source, you should take some actions to protect that source.

Installing a Martin Water UV Sterilizer system will effectively inactivates harmful bacteria in your home water supply by using ultraviolet light. 

For information about Martin Water UV Sterilizer systems, please call us at (800) 887-7555.

If your water has tested positive for E. coli and you don't have a UV Sterilizer installed yet, you should consider drinking bottled water, or boiling your drinking water, or treating it with iodine, bleach, or disinfection tablets as described in EPA's fact sheet on emergency disinfection of drinking water.

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