In terms of water use in households, a household of one person had used an average of 149 liters per day, whereas a household of five tended to use an average of 523 liters per day. Regarding the average water consumption of household appliances, as of 2018 figures were highest for baths, with an average consumption of 80 liters per use. A flush of the toilet used up an average of 7.5 liters. As for the annual hydroelectric consumption, figures had reached 1.3 million metric tons of oil equivalent in 2017.
The number of employees in the water supply, sewage, waste management and remediation activities industry has increased since 2008 and reached 166,129 people in 2015. In 2017, 5 enterprises in the water transport sector had employed more than 250 people, while 20 enterprises in the water collection, treatment and supply sector had recorded similarly high employee numbers.
The water collection, treatment, and supply services sector has generated an increasing amount of emissions in the United Kingdom from 1990 to 2016. For instance, greenhouse gas emissions had increased to 821.9 thousand metric tons of CO2 equivalent in 2016, compared with 770.4 thousand metric tons the previous year. Similarly, carbon dioxide emissions by the industry had increased again in the past three years, amounting to 812.1 thousand metric tons in 2016, while PM10 emissions reached 200 metric tons.