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
Hackney 1907
Report on the sanitary condition of the Hackney District for the year 1907
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THE RIVER LEA.
The following analysis of a sample of the river water made in July, 1907, proves that the polluted condition of the water shows no sign of amendment.
| Date. | Where taken. | Total solid residue. | Free Am'onia | Albuminoid Am'onia | Chlorine | Nitrates. | Nitrites. | Oxygen required to Oxidise the organic matter in 4 hours. | Suspended matter. | Dissolved Organic Matters. | Remarks. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| July 9th, 1907 | Near Temple Mills Bridge | 58.8 | 4.20 | .504 | 8.5 | absent | absent | 1.896 | 4.2 | 14.0 | The sample was greenish-brown in tint when examined in a white basin, and it possessed a decided sewage odour, which considerably increased on keeping. |
The above results are expressed in grains per gallon.
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