监测了沙河水库的水质状况，结果表明：库区水质总体上符合Ⅱ类水标准，但是总磷在整个库区呈上升趋势，并全部超过Ⅱ类水质标准。污染源调查发现：农业生产中的化肥、农药淋失，生活垃圾排放是影响沙河水库水质的主要因素。论文还提出了水环境保护对策，以促进经济与环境保护的协调发展

In this paper, the water quality status of Sand River Reservoir was monitored. The results were shown that the water quality of the reservoir reached the secondary water quality standard as a whole, but the total phosphorus exceeded this standard and appeared rising trend. It was found that the loss of chemical fertilizers and pesticides in agricultural production and the discharge of household garbage were the main factors that influenced the water quality in pollution sources investigation. The countermeasures of water environmental protection to realize economic development with environmental protection in harmony were also put forward