The largest water reuse(再利用；重新使用) system in the UK, which could save thousands of litres of water a day for people living in one of the driest regions of the country, is not allowed to be switched on because of drinking water regulations(法规；规章).
英国最大的水回用系统因饮用水法规而无法启用，该系统本可为居住在该国最干旱地区之一的居民每天节省数千升水。
As water supplies in England reach critical(危急的；关键的) levels, the Guardian can reveal(揭露；透露) that a model water recycling system within an urban housing development in Cambridgeshire has not been switched on since it was made ready in 2021.
随着英格兰供水达到临界水平，《卫报》可以披露，剑桥郡一个城市住宅开发项目中的示范性水回收系统自2021年建成以来一直未启用。
Thousands of residents(居民；住户) could be saving about 25 litres per person per day by using recycled rainwater in their homes for non-drinking(非饮用的) purposes. But the water reuse system – installed(安装；设置) by Cambridge Water at the Eddington urban quarter, a mixed development of housing, student accommodation, academic research space and a primary school and nursery – has been switched off because the Drinking Water Inspectorate (DWI) deems(认为；视为) it is not in line with(符合；与…一致) the law.
数千名居民本可通过在家中利用回收雨水进行非饮用用途，每人每天节约约25升水。但由剑桥水务公司在埃丁顿城市区安装的水回用系统——该区域是一个集住宅、学生公寓、学术研究空间以及小学和幼儿园于一体的综合开发项目——已被关闭，因为饮用水监察局（DWI）认为它不符合法律规定。