设防水位:为考虑堤基和滩区设施的安全,当水位漫滩以后,堤防开始临水时的水位,确定为设防水位。到此水位管理单位要做好防汛准备,从日常的管理工作进入防汛岗位。警戒水位:是指堤防临水到一定深度,有可能出现险情,需要防汛人员上堤巡堤查险,做好抗洪抢险准备的警惕戒备水位。 Water level setting: In order to consider the safety of embankment and beach area facilities, when the water level after the floodplain, the water level at the beginning of the dike is determined as the water level setting. To this water level management units to prepare for flood control, from the day-to-day management of flood control jobs. Warning water level: refers to the embankment to a certain depth of water, there may be dangerous situations, flood control officers need to embankment dike inspection, flood control and vigilance prepared to guard the water level.