Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for London County Council]
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. Weeks.||Rate of flow of sewage through the tank. Gallons per day.||Quantity of sewage passed into the tank. Gallons.||Quantity of sludge left in the tank. Tons.||Percentage of moisture in the kludge left in the tank.||Percentage reduction in the amount of sludge effected by septic acton|
|33||Oldham||...||June, 1900 to June, 1901||52 weeks||350,000||127,750,000||(2 feet deep)|