Scotland has an area of 79,000 square kilometres and a coastline of over 11,000 kilometres. With a small and relatively dispersed population a large number of small water and waste water treatment works are required.
Scottish Water is the sole provider of water and waste water services to around 5 million customers in 2.4 million households. Thousands of assets are operated and maintained – over 47,000 kilometres of water pipes, 50,000 kilometres of sewer pipes, 1,837 waste water treatment works and 297 water treatment works plus pumping stations, sludge treatment centres, and reservoirs. Each day Scottish Water supplies 1.3 billion litres of clean waterand nearly 1 billion litres of wastewater is taken away and treated before being returned to the rivers and seas.