Distribution of Liao River Basin water in China 2021, by water quality

As of February 2021, around 31 percent of the Liao River Basin water in China was categorized as Grade II, which serves mainly as drinking water and belongs to surface water source primarily in a protection zone in China.

截至2021年2月，中国辽河流域约31%的水质被评为二级，该水质主要用作饮用水，属于位于中国保护区内的地表水水源。