Assessment of Reservoir Eutrophication and Control Countermeasure of Typical Drinking Water Supply in Zhejiang Province
浙江省典型集中式供水水库营养评价及防治对策研究

(Zhejiang Province Hydrology Bureau, Zhejiang, Hangzhou 310009) Abstract: 125 reservoirs water quality and eutrophication status in Zhejiang province were evaluated, and water quality trends of 15 reservoirs were analyzed. The results showed that 89.6% of these reservoirs water quality has reached the standard for drinking water source. 84.9% of these reservoirs belonged to less and middle eutrophication state. 15 reservoirs ammonia, total nitrogen and total phosphours showed an obvious ascend trends. Suitable prevention suggestions were put forword to prevent eutrophication.