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井水是一种浅层地下水,它是由雨水和地面水经过土层泥沙过滤渗入地下的,水质较好,含杂质、病菌和寄生虫卵较少。只要水井建筑得法,井水防护得好,供饮用要比江、河、湖、塘等地面水合乎卫生要求,不但可以减少和防止肠道疾病的传播和感染血吸虫病,而且对于落实“备战、备荒、为人民”的伟大战略方针具有重大意义。一、井址的选择原则上要求水量充足、水质良好、周围环
Well water is a kind of shallow groundwater, which is infiltrated into the ground by rainwater and surface water through the sediment of soil layer. It has better water quality, less impurities, fewer germs and parasite eggs. As long as the wells are well constructed and the well water is protected well, drinking water can meet the hygienic requirements of surface water of rivers, rivers, lakes and ponds, not only to reduce and prevent the spread of intestinal diseases and infection of schistosomiasis, but also to implement “ Prepare for the shortage, for the people, ”the great strategic principle of great significance. First, the choice of well site in principle requires adequate water, water quality, around the ring