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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Table 5. Particulars as to the working of the Septic Tanks.
| 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 sludge left in the tank. | Percentage reduction in the amount of sludge effected by septic action. |
|---|---|---|---|---|---|---|---|---|---|
| Weeks. | Gallons per day. | Gallons. | Tons. | ||||||
| 18 | Evesham | ... | ... | 25 | 150,000 | ||||
| 19 | Glasgow... | 1 | 15 Sept., 1900, and 2 May, 1901 | 33 | ... | 44,526,128 | 818.5 | 92 | 54.25 |
| 20 | Haslingden, Rawten-stall and Bacup | ... | Dec., 1899 to Dec., 1901. | 104 | 456,250 | 47,000,000 | Average depth of 3 feet in tank) | 90 | |
| 21 | Heywood | ||||||||