河水质量 meaning in Chinese

quality of rive water
quality of river water

But that situation is about to change : the agency responsible for rivers in our region has announced plans to clean up mason river
让步假设河流能够用来娱乐（水流不急，地形不复杂）以及因为河水质量人们才不愿意去而现在情况会好转人们会去以后，便可以对这些社会评价的问题展开攻击了。
Based on the water quality assessment on main factors selected , it is concluded that the results of the two methods are almost the same , but the result from synthetic index method is more suitable and correct
选择主要的因子进行河水质量现状评价，用两种方法评价的结果大致相同，综合指数法在此更符合实际。