§ Mrs. Helen JacksonTo ask the Secretary of State for the Environment (1) what was the estimated average domestic household water consumption in each water company area(a) in the last year, (b) two years ago and (c) five years ago; [32496]
(2) what was the estimated average water consumption per household in (a) England, Wales and (b) Scotland in each year since 1986; [32497]
(3) what was the overall water consumption by water company for each of the past 10 years. [32498]
§ Mr. ClappisonThe water delivered to each household in England and Wales over the past three years, and the number of households in each water company area, are given in the Office of Water Services' reports on the "Cost of Water Delivered and Sewage Collected". Figures prior to 1992–93 are not available on a comparable basis. Estimates and projections of household water consumption for Scotland are contained in the Scottish Office research report "Domestic Water Consumption in Scotland in 1991".
Copies of these reports are in the House Library.
Estimates of the total water put into public supply in England and Wales between 1983–84 and 1994–95 are given in the table. Individual water company estimates are available from their respective associations.
114W
Public water supplied 1983–84 to 1994–95 (million litres/day) England and Wales1 Unmetered Metered Non-potable Total 1983–84 11,842 3,996 516 16,354 1984–85 11,956 3,990 558 16,504 1985–86 12,036 3,965 575 16,576 1986–87 12,195 4,088 571 16,854 1987–88 12,216 4,059 604 16,879 1988–89 12,177 4,114 605 16,896 1989–90 12,424 4,135 714 17,273 1990–91 12,549 4,256 576 17,381 1991–92 12,399 4,258 552 17,209 1992–93 11,669 4,457 503 16,629 1993–94 11,999 4,034 521 16,554 1994–95 12,350 4,139 526 17,015 1 Includes water supply companies.