我省农村“水改”的形式以压水井为多。我们曾对三个地区不同类型水沅的七十九份水样进行了水质分析,结果表明,压水井在周围一定范围内没有污染的情况下,水质较好,比较合乎饮用水的卫生标准。压水井井管以前多用金属管,目前多用造价较低的塑料管代替。塑料管做井管用好不好?它是否有毒?针对这个问题,我们 Rural areas in our province “water change” in the form of pressurized water wells as much. We conducted a water quality analysis of seventy-nine water samples from different types of water sources in the three districts. The results show that water pressure wells are well-hygienic and are more hygienic for drinking-water if they are not contaminated in the surrounding area. Wells used to press the water well tube metal pipe, the current use of plastic pipe instead of lower cost. Do plastic pipe well tube well? Is it toxic? Against this issue, we