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 Lambeth Borough]
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Milligrams per litre (unless otherwise stated) | |
---|---|
Silicate as SiO2 | 9.0 |
Sulphate as SO4 | 58.0 |
Fluoride as F | 0.25 |
Magnesium as Mg | 4.0 |
Surface Active material as Manoxol | 0.12 |
Electrical Conductivity (Gemmhos) | 525.0 |
Bacteriological Examination after Chlorination
(Water passing into supply)
Plate counts (average per ml.)
Colonies counted on agar 37°C (20-24 hours) 8.6
Coliform count percentage samples negative
in 101 ml 99.57
Escherichia count percentage samples
negative in 100 ml 100.0
water from Wells
There are a number of wells in use, the majority of which however, supply
water used only for industrial purposes. The water from two wells is used for
drinking purposes, or for the preparation of food. Reports of the analyses of
water from these two wells are received regularly and have been satisfactory
for the year under review.
Sewers
The Council's annual programme of reconstruction of sewers (£27,000 per
annum for several year) is related to sewers which are very old and possibly
defective and which may cause rat infestation. Definite improvement results
from these schemes not only in the immediate locality, but also due to the
greater capacity of the sewers with improved flow of sewage and storm water.
During long periods of heavy rain of the last nine months there have been no
reports of flooding of premises arising from defective sewers.
Sewers in the following streets were reconstructed in 1960-61 (work in
Christchurch Road in progress March 1961).
Monkton Street Length 660 ft. average depth 11 ft.
Cleaver Street Length 270 ft. average depth 15 ft.