【案情】例1:宜兴新庄镇凌家浜自然村有五六百村民,由于这里打井很难找到水,自古以来人畜饮水农田浇灌一直靠这条洪巷港。据介绍,这是一条3公里左右长、30多米宽的河道,西接东氿,东连太湖。过去这条河大多数时间河水清澈见底。然而,不知何时起,河水变浑浊了。村民们反映,河水的颜色经常有变化,有时发黑,有时发黄,而到了夏天,河里连续几天都漂浮着厚厚的一 Case 1: Yixing Xinzhuang Town Lingjiabang natural village five or six hundred villagers, because it is hard to find water wells here, since ancient times, watering livestock and poultry farmland has been by this Hongxiang Hong Kong. According to reports, this is a 3 km long, more than 30 meters wide river, west to east, east of Taihu Lake. The river was crystal clear most of the time in the past. However, I do not know when, the river becomes turbid. The villagers reported that the color of the river often changed, sometimes black, sometimes yellow, and in the summer, the river floated thick for several days