许昌市位于河南省中部,是“中原核心城市群”的重要组成部分,是我国30个严重缺水的城市之一。随着许昌市工业化、现代化水平的提高和城市规模的日益扩大,人口的迅速增长,城市用水量也越来越大。由于许昌市地表水资源十分匮乏,所以地下水是其主要供水水源,历年来地下水开采量都很大,形成了较为严重的地下水降落漏斗。同时,由于当地经济的快速发展,污水排放量与日俱增,水质恶化趋势不仅没有得到 Located in the central part of Henan Province, Xuchang City is an important part of the Central Plains Core City Group and one of the 30 cities in China suffering from serious water shortage. With the industrialization of Xuchang City, the improvement of the level of modernization and the increasing scale of cities, the rapid population growth and the increasing urban water consumption. Due to the scarcity of surface water resources in Xuchang City, groundwater is the main source of water supply. Over the years, groundwater exploitation has been very large, forming a serious underground water funnel. In the meantime, due to the rapid development of the local economy and the increase of sewage discharge, the trend of deteriorating water quality has not only not been obtained