Glasgow Corporation Water Works and its successors have provided a public water supply and sewerage and sewage treatment services to the Scottish city of Glasgow. There were several schemes in the early part of the 1800s, with the Glasgow Company which was established in 1806 pumping filtered water from the River Clyde into the city. The Gorbals Gravitation Water Company was established in 1846, and brought water from reservoirs to the south-west of the city. However, an outbreak of cholera in 1848/1849, in which 4,000 people died, concentrated the minds of Glasgow Council, and in 1855 a scheme to use water from Loch Katrine, 36 miles (58 km) to the north, was authorised. The work required at Loch Katrine was quite modest, and the major construction work was the building of an aqueduct to