good river
6.In the 44 sections for water quality monitoring, the water quality of the sources of the Water Diversion Project – Jiangdu (Zhenjiang) of the Yangtze River, Hongze Lake, Dongping Lake and Bei Dagang Reservoir is good, attaining Grade III, with the rest river courses polluted to various extents. The key pollution indicators are ammonia nitrogen, potassium permanganate index and petroleum.


