2012-2015年龙岩市生活饮用水委托样检测结果分析

Analysis of test results on entrusted drinking water sample in Longyan City,2012-2015

目的通过了解龙岩市分散式供水水源委托样的水质质量状况,为改善卫生质量提供依据。方法收集2012-2015年龙岩市3种水源480份委托样的检测结果进行分析。结果 480份委托水样合格率为51.9%。检测的20个项目中有9个项目存在不合格情况,其中微生物不合格率为68.0%、p H不合格率为46.3%、其余5项不合格率均﹤10%;480份委托样软水占76.0%,其中山泉水65.6%、河溪水10.4%、低p H软水21.7%(其中低p H软水中山泉水占98.1%)。结论 480份委托样的水质质量状况令人担忧,微生物超标是主要原因,存在传播肠道传染病的风险;其次p H偏酸易侵蚀家用涉水产品,且长期饮用低p H软水可能会产生影响身体健康的不良效应。

Objective To understand the quality condition of entrusted sample of non-central water supply source, and provide reference for water quality improving. Methods 480 entrusted samples of three kinds of water source from 2012 to 2015 in Longyan city were tested and analyzed. Results 480 commissioned water percent of pass is 51.9%. Detection of 2 0 project unqualified have nine, including microbial fraction defective is 68.0%, p H fraction defective is 46.3%, the rest of the five were less than 10%; 480 entrusted sample soft water（76.0%）, the mountain spring（65.6%）, river streams（10.4%）;in addition, low p H soft water is 21.7%, 98.1% of whom are mountain spring samples. Conclusion The water quality condition of 480 entrusted samples is worrying, microbial exceeding is the main reason with high risk of intestinal infectious disease transmission; Second, acid soft water of low p H will erode home wading products, and take a adverse health effects with long-term drinking.