Water quality analysis on the Daotian River Reservoir in Bijie

By adopting SPSS software to analyse statisticaly on the water quality monitoring data month after month in 2003-2004,we find more obvious space difference of the water quality pollution in Daotian river reservoir.And the different pollutant contribute rate is not the same with each other in water pollution of Daotian river reservoir,The result shows that the water quality belongs to slight pollution in the reservoir,and water quality in the intake of drinking water measure up to the Ⅲ type water quality standard in the environmental quality standards for surface water(GB3838-2002).