London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Paddington 1895
Report on vital statistics and sanitary work for the year 1895
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TABLE 31. Comparative Analyses of Water Supply to Paddington. (Compiled from Registrar-General's Annual Summary.)
| 1895. | Thames (unfiltered water.) | From Mains of | |||
|---|---|---|---|---|---|
| West Middlesex Co. | Grand Junction Co. | ||||
| Temperature (degrees Centigrade) | mean | 11.0 | 9.8 | 11.8 | |
| max. | 18.9(6) | 16.1(7) | 19.50(8) | ||
| jnin. | 1.1(2) | 1.4(2) | 0.9(2) | ||
| Total Solids | mean | 29.68 | 28.57 | 28.74 | |
| max. | 33.88(1)(12) | 34.50(1) | 35.42(1) | ||
| jnin. | 26.40(8) | 23.52(8) | 24.38(8) | ||
| Parts per 100,000 of water, | Organic Carbon | mean | 0.233 | 0.159 | 0.147 |
| max. | 0.545(11) | 0.308(11) | 0.274(11) | ||
| mill. | 0.135(2) | 0.099(7) | 0.099(7) | ||
| Organic Nitrogen | mean | 0.039 | 0.021 | 0.019 | |
| max. | 0.071(11) | 0.039(11) | 0.039(11) | ||
| min. | 0.021(2) | 0.013(6) | 0.011(6) | ||
| Ammonia | mean | 0.009 | 0.000 | 0.000 | |
| max. | 0.017(8) | 0.000 | 0.000 | ||
| min. | 0.006* | 0.000 | 0.000 | ||
| Nitrogen as Nitrites and Nitrates | mean | 0.233 | 0.233 | 0.239 | |
| max. | 0.364(2) | 0.423(2) | 0.430(2) | ||
| min. | 0.132(8) | 0.139(8) | 0.143(7) | ||
| Chlorine | mean | 1.8 | 1.8 | 1.8 | |
| max. | 1.9(10) (11) | 1.9(8)(11) | 1.9(11)(12) | ||
| min. | 1.6(7) | 1.6(5) | 1.7** | ||
| Degrees of Hardness (l°=l pt. Ca CO3 per 100,000) | mean | 19.5 | 19.3 | 19.6 | |
| max. | 23.0(12) | 22.7(2)(12) | 22.7(12) | ||
| min. | 16.9(8) | 16.6(8) | 17.1(7) | ||
The figures shown ( ) indicate the months when the respective maxima and
minima were observed.
* In April, September, October, and November.
** In February, April, May, June, and July.