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USGS: Great Lakes Basin Has Potential for Local Shortages

机译：USGS：大湖流域有可能出现局部短缺

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Although the Great Lakes are the largest freshwater system on Earth, the basin has the potential for local shortages, according to a new basinwide water availability assessment by the U.S. Geological Survey. Although groundwater pumping has had relatively little effect on water in the basin as a whole, pumping in the Chicago and Milwaukee areas has caused local groundwater levels to decline by as much as 1000 feet. Federal Study Maps Concentrations of Arsenic and Uranium The U.S. Geological Survey released a study which indicates that levels of naturally occurring arsenic and uranium exceed drinking water standards in some private drinking water wells in central and northeastern Massachusetts. State officials are working with USGS to develop resources that will help private well users determine whether their water meets federal safety standards, and provide guidance on water testing and treatment if it does not. Read the full USGS release at room/article.asp?ID=2730.
机译：根据美国地质调查局的一项新的全流域水资源可用性评估，尽管五大湖是地球上最大的淡水系统，但流域仍有可能出现局部短缺。尽管抽水对整个流域的水影响相对较小，但芝加哥和密尔沃基地区的抽水已使当地地下水位下降了多达1000英尺。联邦研究绘制了砷和铀的浓度图美国地质调查局发布了一项研究，该研究表明，马萨诸塞州中部和东北部一些私人饮用水井中的天然砷和铀含量超过了饮用水标准。州官员正在与USGS合作开发资源，以帮助私人井使用者确定其水是否符合联邦安全标准，并在水检测和处理不符合联邦安全标准的情况下提供指导。阅读完整的USGS版本，位于room / article.asp？ID = 2730。

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