Considering the high turbidity of the Yangtze River water, two-stage high efficient reaction and sedimentation tanks, and sand filter with air-water backwashing are employed.

针对长江原水浊度较高的特点，采用了两级高效反应沉淀池、均质石英砂滤料气水反冲洗滤池处理工艺。

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No-contact ultrasonic water gauge is an ideal equipment for surveying water stage automatically in the river with large amount of sediment.

非接触式超声波水位计是多沙河流较理想的水位自动监测设备。

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Ice dam, ice cover and ice jam, which are formed by stack, jammed and collective ice, can increase river resistance and water stage, resulting in flood, construction damage and navigation problems.

冰块堆积，堵塞和聚集形成的冰坝、冰盖和冰塞会导致河道阻力增加，致使上游水位上涨，并可能造成冰期洪水，建筑物破坏，航运不畅等危害。

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Another area river, the Anclote, was above flood stage on Tuesday, and water is not expected to recede for two days.

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The stage, a water treatment plant in Anbar Province near a bend in the Euphrates River.

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