今年6月4日,山东省胶州市近20家单位自去年冬季储存起来的约200多万吨工业和生活用水集中开闸排放,污水通过大沽口排入胶州湾。由于大沽口位于胶州湾腹地,水交换条件差,估计交换出湾需要一个月时间。根据过去监测资料,这些污水中 On June 4 this year, nearly 20 units in Jiaozhou, Shandong Province, concentrated their efforts to discharge about 2 million tons of industrial and domestic water discharged from stores in winter last year and the sewage was discharged into Jiaozhou Bay through the Dagu port. Since Dagukou is located in the hinterland of Jiaozhou Bay, water exchange conditions are poor, it is estimated that it will take one month to exchange for Bay. According to the past monitoring data, these sewage