Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Paddington]
This page requires JavaScript
TABLE A.
Taking the mean proportion of organic impurity in the Thames water delivered in London in 1868 as 1,000, in the subsequent years the following proportions were present respectively in the Thames water, in the Lea water, and in the Deep Well water.
Year. | Proportion of organic impurity present in Thames water as delivered in London. | Proportion of organic impurity present in Lea water as delivered in London. | Proportion of organic impurity present in Deep Well water as delivered in London. |
---|---|---|---|
1868 | 1,000 | 484 | 254 |
1869 | 1,016 | 618 | 312 |
1870 | 795 | 550 | 246 |
1871 | 928 | 604 | 150 |
1872 | 1,243 | 819 | 221 |
1873 | 917 | 693 | 250 |
1874 | 933 | 583 | 287 |
1875 | 1,030 | 751 | 250 |
1876 | 903 | 562 | 246 |
1877 | 907 | 596 | 243 |
1878 | 1,056 | 747 | 323 |
1879 | 1,165 | 947 | 387 |
1880 | 1,254 | 1,013 | 393 |
1881 | 993 | 765 | 405 |
1882 | 1,033 | 711 | 409 |
1883 | 850 | 620 | 321 |
1884 | 723 | 500 | 264 |
1885 | 839 | 603 | 200 |
1886 | 756 | 500 | 244 |
1887 | 690 | 473 | 249 |
1888 | 724 | 509 | 249 |