Rutland Water Rutland Water Rutland Water is Anglian Water's drinking water reservoir in the county of Rutland, England, to the east of the county town, Oakham. It was known as Empingham Reservoir during its construction and until its official opening in 1976. The centre of its dam is at British national grid reference . It is filled by pumping water from the River Nene and River Welland and provides water to the East Midlands region of the United Kingdom. It is one of the largest artificial lakes in Europe. By surface area it is the largest reservoir in England, but by capacity
Cook County, Illinois largest of which is Chicago, which is home to approximately 54% of the population of the county. That part of the county which lies outside the Chicago city limits is divided into 29 townships; these often divide or share governmental services with local municipalities. Geographically, the county is the sixth-largest in Illinois by land area. It shares the state's Lake Michigan shoreline with Lake County. Including its lake area, the county has a total area of , the largest county in Illinois, of which is land and (42.16%) is water. Land-use in Cook County is mainly urban and densely populated.