临颍县农村饮水安全工程供水水源目前全部依赖开采中深层地下水,因此中深机井建设成井质量已成为饮水安全工程建设的重要一环。通过近两年饮水工程中的机井建设实践,针对施工中的钻孔、下管、填砾、洗井4个重要环节的施工措施和注意事项等方面进行了探讨。 Linying County Rural Drinking Water Safety Project water supply all rely on the exploitation of deep groundwater, so deep well construction into the well quality has become an important part of drinking water safety project. Through the practice of well construction in the drinking water project in the past two years, the paper discusses the construction measures and precautions of drilling, down pipe, gravel and well washing in the construction.