铁州
铁州-
文山州境内的7条主要河流1997～2000年的水质监测数据表明，总锰和溶解性铁为文山州河流水质的特征污染物，对水环境评价和水功能区划分类的确定有较大影响。
According to monitored data on water quality of seven main rivers in Wenshan from 1997 through 2000 , total manganese and resolvable iron were the featured pollutants and had major influence on the water environmental assessment and categorization of function areas .