London's Pulse: Medical Officer of Health reports 1848-1972

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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.
47YorkClosed21 April, 1889 to 81 Aug., 1901123From 13,000 to 40,00014,500,000
Open26 June, 1900, to 12 Mar., 190189182,000 to 318,000106,000,000390 cubic yards.89.3