The aquatic environment and the influence elementof Er Wang Zhuang reservoir were analysed in the paper.And then technical information was produced so to improve water quality.

• 对引滦输水调剂水库尔王庄水库的水生生态环境和富营养化情况进行了分析,剖析了水质影响因素,为改善尔王庄水库水质提供了有利技术依据。