The Scottish Environment Statistics - 1998

5. WATER

Table 5.2 Public water supplies, average daily demand 1971-1996 Ml/d Year Total Potable Non- demand1 Total Unmetered4 Metered2 potable3 1971 2,129 2,129 1,389 741 0 1973 2,196 2,196 1,402 795 0 1975 2,212 2,155 1,424 731 57 1976 2,245 2,194 1,464 730 51 1977 2,279 2,223 1,470 753 56 1978 2,294 2,243 1,493 750 51 1979 2,301 2,248 1,495 753 53 1980 2,237 2,191 1,533 657 47 1981 2,262 2,218 1,588 630 44 1982 2,246 2,219 1,568 651 27 1983 2,236 2,210 1,601 609 23 1984 2,199 2,172 1,537 635 27 1985 2,198 2,169 1,540 629 29 1986 2,243 2,214 1,602 612 30 1987 2,194 2,172 1,553 619 22 1988 2,205 2,189 1,576 613 16 1989 2,248 2,225 1,571 654 23 1990 2,301 2,281 1,645 636 19 1991 2,239 2,222 1,596 626 17 1992 2,206 2,188 1,603 585 18 1993 2,272 2,258 1,662 596 14 1994 2,263 2,246 1,651 595 17 1995 2,322 2,306 1,748 558 16 1996 2,312 2,255 1,686 568 57 1996 by Water Authority5 North of Scotland 426 420 312 109 5 West of Scotland 1,155 1,145 901 244 10 East of Scotland 731 689 474 216 42 Source: SOWSU 1 Total quantity put into supply to satisfy consumers plus leakage and other waste. 2 Industry and commerce charged for on measured quantity. 3 Non-potable water is used by some industries. 4 Household, non-households/non-metred (small commercial supplies, operational use, fire fighting, sewer cleaning, temporary supplies for construction sites etc.) and leakage. 5 Figures may not sum due to rounding.