This energy becomes part of the natural background radiation to which all living creatures are exposed. As radium decays, it continually releases energy into the environment until a stable, nonradioactive substance is formed. Radium is a radioactive metal that occurs naturally in trace amounts in rocks and soils. Where radium levels test high, well replacement or a water treatment unit is recommended. The results of testing indicate two out of every three wells exceed the drinking water standard for radium. Owners of existing private wells in northern Anne Arundel County (see map) are encouraged to test for radium. The minimum well depths in this area range from 250 to 500 feet. The minimum well depth is determined based on the results of a computer model showing the distribution of radium data, well depths, property elevations and deep test wells. Since March 1, 2002, new and replacement wells in northern Anne Arundel County must be installed to a minimum well depth and meet drinking water standards for radium. Radium in drinking water does not pose a health emergency and can be effectively removed by installing a deeper well or through water treatment. A larger study, conducted by the Maryland Department of the Environment in 1998, confirmed the presence of naturally occurring radium in groundwater in northern Anne Arundel County. Environmental Protection Agency for public drinking water supplies. Fifteen of these wells exceeded the level established by the U.S. During the pilot study, naturally occurring radium was found in 22 wells in northern Anne Arundel County. Hoja Informativa sobre la Presencia del Metal Radio en las Aguas de Pozo – En EspañolĪnne Arundel County conducted a pilot study of well water quality from September 1997 to March 1998.
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