安康市重要地表水功能区水质现状评价及达标分析

Evaluation of Water Quality Status and Analysis of Reaching Standards in Important Surface Water Function Areas in Ankang City

安康市是南水北调中线工程的核心水源涵养区之一,承担着“一江清水供北京”的政治使命,其水质状况与南水北调中线工程所调水质的好坏有至关重要的关系。对安康市重要地表水功能区水质现状及达标情况进行评价和分析,结果显示2019年全市11个水功能区水质均为Ⅰ-Ⅱ类,水质状况优良,全年地表水功能区全部达标,可为南水北调中线水源区的环境保护和水资源合理开发利用提供决策支持和参考依据。

Ankang is one of the core water conservation areas of the middle line project of South to North Water Diversion Project,and undertakes the political mission of“one river of water for Beijing”.Its water quality status is closely related to the quality of the water quality transferred by the middle line project of South to North Water Diversion Project.Ankang City is one of the core water conservation areas of the middle route of the South-to-North Water Transfer Project.It undertakes the political mission of“one river clean water for Beijing”.Its water quality is closely related to the quality of the water transferred by the middle route of the South-to-North Water Transfer Project.The water quality status and compliance of important surface water functional areas in Ankang City are evaluated and analyzed.The results show that the water quality of 11 water functional areas in the city in 2019 is class Ⅰ-Ⅱ,the water quality status is excellent,and all surface water functional areas meet the standards throughout the year,which can provide decision support and reference basis for environmental protection and rational development and utilization of water resources in the water source area of the middle route of South-to-North Water Transfer.