1988年元月,安阳市小司空村发现该村的饮用井水水质浑浊,呈黄绿色,有异味。该井深60m,井口平日加盖密闭,有专人看护,并砌有约10m~2的井房。该井已使用9年,井周1000m内无厂矿。通过调查发现:水井左侧10m处有一家个体开的粉坊,粉坊排出的废水流入距井房8m处的一渗井内(国 January 1988, Anyang City, a small Division empty village found that the village of drinking water quality turbid, yellow-green, smelly. The well depth of 60m, well-headdress stamped closed, with personal care, and built with about 10m ~ 2 well room. The well has been used for 9 years and has no plant within 1000m. Through the survey found: 10m at the left side of the well there is an individual open powder Square, the discharge of waste water from the Fenfang into the well 8m at a well seepage (country