This paper calculated the water environment capacity,the amount of pollutants into the river and the total limited amount of pollution in 15 counties(cities) along planned areas of the riverside for the plan year(2015,2020) based on the analysis of the hydrological conditions and pollution in the development zone along the Yangtze River in Jiangsu Province.So as to analyze whether the total pollutant control in the plan implemented can meet the regional water environment carrying capacity and provide scient...