The project is located in Banqiao District, New Taipei City. The design and supervised is done by C.Y. Lin TW. This project is about 2 km from the downstream of the Taipei Railway Bridge to the Nanzi ditch pumping station. The river course is rectified and divided into two phases at the same time. It includes sewage interception, inter-brick treatment facilities and clear water replenishment on both sides of the river. After completion, it improve the quality of the water of the Nanzi ditch and combine the surrounding landscapes to provide a high quality environment to local residents. This works completed in February and March 2019 respectively.