All along the river bed are gravel pits, refuse dumps and heaps of discarded electric cables, and there has been an incident of radioactive waste seeping into the river from the nearby Chungshan Institute of Science and Technology.
溪床上一路砂石場、垃圾場、廢電纜堆積，沿岸中山科學院還曾發生輻射廢料隨著水流滲入河川。