近年来，海林市乡（镇）村建设的自来水工程，大多数采用打深井、建高位蓄水地或配压力罐等措施洪水，建设投资较大，运行费用较高，经济效益较低。有些乡村从实际出发，引山泉入管网自流供水，费用低，效果好，值得推广。海林市二道镇有2700人。1995年打了一处深井，配套入户 In recent years, most of the tap water projects constructed in township (town) villages in Hailin City use floods such as deep wells, high water storage sites, or pressure tanks, which have large construction investment, high operating costs, and low economic returns. Some villages start from actual conditions, and they introduce natural springs into the pipe network for free-flowing water supply. The cost is low and the effect is good. It is worth promoting. There are 2700 people in Erdao Town, Hailin City. In 1995, a deep well was drilled to support the household