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
London County Council 1900
[Report of the Medical Officer of Health for London County Council]
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| No. | Name of town or district. | Name or number of tank. | Dates between which the tank was in use. | Length of time during which the tank was used. | Rate of flow of sewage through the tank. | Quantity of sewage passed into the tank. | Quantity of sludge left in the tank. | Percentage of moisture in the eludge left in the tank. | Percentage reduction in the amount of sludge effected by septic action. |
|---|---|---|---|---|---|---|---|---|---|
| Weeks. | Gallons per day. | Gallons. | Tons. | ||||||
| 1 | Accrington | 6 Open | 15 months' continuous use | 1,250,000 (dry weather flow) | ... | 76.7 | |||
| 2 | Aldershot | ||||||||
| 3 | Acton | ||||||||
| 4 | Aylesbury | ||||||||
| 5 | Barnsley | ||||||||
| 6 | Birmingham | 1 to 20 | In use constantly | 104 | 22,000,000 | None | * | ||
| 7 | Blackburn | 104 | 240,000 | ••• | 90. | 72. of the suspended solid matter. | |||
| 8 | Bloxwich district of Walsall | ||||||||
| 9 | Bristol— At Knowle | January, 1900 to March, 1902 | 39,000 | ||||||
| At St. John's-lane | 1,600 |
* The sludge which hail to be disposed of before septic tanks were used amounted to double that which is now to be
removed from the sedimentation tanks.