农村饮水水质现状分析

在全国２６个省、市、自治区的１８０个县进行农村饮水卫生监测,监测区总人口为８９３９万人。其中以地下水为饮用水源的占６９．６％,集中式供水的人口占４７．１％。按照《农村实施〈生活饮用水卫生标准〉准则》进行分级,饮用不合格水的人口占４２．７％。１２项监测指标中,微生物指标超标严重,总大肠菌群超过３个／Ｌ的供水人口占５１．８％;细菌总数超过１×１０５个／Ｌ（１００个／ｍｌ）的供水人口占３９．１％。有机污染普遍存在,饮水耗氧量超过３ｍｇ／Ｌ的供水人口占２１．５％。部分地区氟化物含量过高,天津市所辖农村饮用氟化物大于１．０ｍｇ／Ｌ水的人口比例超过７０％。

Analysis on current status of drinking water quality in rural areas of China]

An investigation on drinking water quality in rural areas of 180 counties in 26 provinces, municipalities and autonomous regions of China was carried out. The population surveyed was 89.39 million. 69.6% of which was supplied with ground water. Central water supply systems served 47.1% of population. Quality of drinking water was graded according to the "Guidelines for Implementation of the 'Sanitary Standard for Drinking Water' in Rural Areas". The rate of population supplied with unqualified drinking water was 42.7%. The bacteriological indices of drinking water exceeded the standard seriously. Organic pollution occurred extensively. Some regions supplied with water of high concentration of fluoride.