Water Supply of London for a Year. United States Consul-General Robert J. Wynne reports that London’s consumption of water was 82,125,249,347 gal. for the year ending March 31, 1907. A staff of 770 officials, receiving $753,531 in salaries, superintends the work of the board, which is shown by the following totals: Total water supplied, 82,125,249,347 gal.; daily water supply, 225,000,683 gal.; area supplied. 537.4 sq. miles; population supplied, 6.851,045; daily average per person, 32.84 gal.