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2012年7月26日起,驻马店市陆续有市民反映市区生活饮用水呈黄色或黄褐色、浑浊。该市仅有的第一、二水厂共用同一水库水源,水源防护均达标。8月7日检验结果显示:第二水厂原水、出厂水及供水区域内抽检的2份管网末梢水均符合GB5749—2006《生活饮用水卫生标准》。第一水厂原水合格,但出厂水、供水范围内抽检的2份管网末梢水有微量泥土(标准值为不得含有肉眼可见物)、锰含量为0.2 mg/L(标准值为≤0.1mg/L)。
July 26, 2012, Zhumadian City, one after another public reflect the city drinking water was yellow or brown, muddy. The city’s only first and second water plants share the same reservoir water, water protection are standard. August 7 test results show that: the second water plant raw water, water supply and sampling within the region of the two pipe network terminal water are in line with GB5749-2006 “drinking water health standards.” Raw water of the first waterworks is qualified. However, there are traces of mud in the two pipe network water samples (the standard value shall not contain macroscopic matter), the manganese content is 0.2 mg / L (the standard value is ≤0.1mg / L).