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昆明市禄劝至半角二级公路位于昆明市禄劝县境内,是昆明市北部重要的出省通道,其中有32.6km路段经过昆明市饮用水源保护区——云龙水库的二、三级保护区,环境敏感性较大。通过大量调查公路沿线的自然环境,结合公路建设的具体情况,从水污染防控的角度对水源保护区公路建设中存在的水环境风险进行了分析,在此基础上提出公路建设的水环境风险主要为施工废水污染、公路附属设施生活污水污染、路面径流污染及环境风险事故污染。并从施工废水前端化解、路面径流及生活污水的生态化处理和资源化利用、环境事故预警与控制3个方面探讨了水源保护区公路建设的水环境风险防控技术。
Kunlun Luquan to Halfway Class II Road is located in Luquan County, Kunming, Kunming is an important northern out of the provincial road, of which 32.6km section of Kunming drinking water source protection area - Yunlong Reservoir II and III protection District, the environment is more sensitive. Through a lot of investigation of the natural environment along the highway and the concrete conditions of highway construction, this paper analyzes the water environment risk existing in the highway construction of water source protection area from the perspective of water pollution prevention and control. Based on this, it proposes the water environment risk of highway construction Mainly for the construction of wastewater pollution, domestic sewage ancillary facilities pollution, surface runoff pollution and environmental risk pollution accidents. The water environment risk prevention and control technology of highway construction in water source protection area was discussed from three aspects: the front of construction waste water, road surface runoff, ecological treatment of domestic sewage, resource utilization, early warning and control of environmental accident.