The City of Sheridan has levels of disinfection byproducts above drinking water standards according to tests conducted by the city between September 30, 2011 and September 30, 2012.
The Sheridan Water Department reports that chlorine added to the drinking water to disinfect the system caused trihalomethane to exceed the maximum contaminant level.
The University of Missouri-Rolla came to the town and took samples of the Sheridan water system. Research is being conducted by the university to see if an alternate method of disinfection can be utilized.
This is not an emergency situation and customers do not need to use an alternative water supply. However, if you have specific health concerns, consult your doctor.
Disinfection byproducts are formed when chlorine combines with naturally occurring organic matter in the water. Disinfection is necessary to inactivate harmful microbes such as bacteria and viruses which may be present in untreated water. The maximum level is based on long-term exposure of drinking two quarts of water every day for 70 years. Some people who drink water containing excessive trihalomethanes may experience problems with their liver, kidneys, or central nervous system and may have an increased risk of cancer.
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