茂名市油页岩地区分散式供水质量分析

目的茂名市及周边乡镇属油页岩地区,为了解茂名地区分散式农村生活饮用水(井水)水质卫生状况,从而采取相应措施,改善居民饮水质量。方法检验并分析茂名市最近2年214份分散式生活饮用水(主要是井水)样本的检验结果,按《国家地下水质量标准》(GB/T14848-93)进行评价和统计分折。结果茂名地区周边农村分散式生活饮用水的pH值,铁、锰达到Ⅲ类水质标准的分别只有55.1%、71.0%和78.0%,原因主要是pH值偏低,铁、锰含量偏高所至。结论茂名市及其周边乡镇井水水质合格率较低,居民应注意选择生活饮用水水源,尽可能使用集中式给水,以保证用水安全。

Quality Analysis of Scattered Water Supply in Oil Shale Area of Maoming City

[ Objective ] Maoming city and surrounding townships are oil shale areas. To know the health status of water quality of scattered rural drinking water I well water ） in Maoming area, so as to carry out relevant measures to improve the water quality. [Methods]214 samples of scattered drinking water （ mainly were well water） in the last 2 years in Maoming city were tested, and the results were evaluated and analyzed according to the Quality Standard for Ground Water （ GB/T 14848 - 93 ）. [ Results ] Only 55.1%, 71.0% and 78.0% of samples met the Ⅲ water quality standard for pH value, iron and manganese, respectively. The main reasons included pH value was low, and the contents of iron and manganese were high. [ Conclusion] The qualified rate of well water quality in Maoming city and surrounding townships was low. Residents should pay attention to the choice of drinking water source, use the centralized water supply as much as possible, in order to ensure the safety of drinking water safety.