Analysis of the Water Quality of the Centralized Drinking Water Sources in the Cities of Yunnan Province during 2011-2015

According to the water quality monitoring data of the centralized drinking water Sources in 21 cities of Yunnan province during 2011-2015,the water quality change of the centralized drinking water Sources were analyzed. The result showed that the general water quality remained stable during the time period. The rate of water Quality meeting the national standard was going up steadily.