我国港口生活污水处理系统—大连港大窑湾生活污水深水近岸排海工程于1993年5月26日通过了大连市环境监测中心对该工程环境影响的验收。验收认为用国家三类海水标准评价,该海区九项污染因子均不超标,水质属清洁级别。该工程投资150万元,与二级生活污水处理的投资相比节省25%,营运费可节省50～70%。 China’s port of domestic sewage treatment system - Dalian Port Dayaowan domestic sewage deep water bank near shore to sea project on May 26, 1993 passed the Dalian Municipal Environmental Monitoring Center on the acceptance of the project environmental impact. Acceptance that the use of three national standards for seawater assessment, the sea nine pollution factors are not exceeded, the water quality is clean level. The project invested 1.5 million yuan, saving 25% compared with the investment of secondary domestic sewage treatment, operating costs can save 50 to 70%.