我部于1978年从某地调防至现驻地区,先建营房,后陆续修建8眼水井。其中除1眼大口井外,其余7眼全部为机井。在建井时除进行卫生流行病学调查外,开始的三年每季度对水源水质进行一次检测,以后每年的丰、枯水季节各检测一次。报告如下: (一)水井周围地质与水井构筑8眼水井所在地区皆为黄粘土地,地面水向下渗透 My department in 1978 from a local tune to the present area, the first building barracks, after another eight wells were built. In addition to a large mouth outside the hole, the remaining seven all wells. In addition to the construction of wells in the epidemiological survey of health, the first three years of quarterly water quality testing once a year, the annual abundance, dry season each test. The report is as follows: (A) of the wells around the wells and water wells to build 8 wells are yellow clay areas where the ground water down infiltration