便民河水系位于南京市栖霞区东部和镇江市句容市西部交界的沿江地区，主干河道呈东西走向，贯穿6个乡（镇），全长24．36km。水系内河沟分叉多，是当地排捞、抗旱、运输的主要水利设施。水系内辖人口19余万，近几年来常有急感发生，家畜的感染率也很高，已成为江苏省通江内陆血 Located in the east of Qixia District in Nanjing and the western border of Jurong City in Zhenjiang City, the convenient river system runs along the east and west and runs through 6 townships with a total length of 24.36km. The river system has many furrows and is the main water conservancy facilities for local fishing, drought and transportation. Water within the jurisdiction of the population of more than 190,000 in recent years, often have a sense of urgency, the infection rate of livestock is also very high, Jiangsu Province has become the Injiang blood