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]
This page requires JavaScript
64
SECTION D
SANITARY CIRCUMSTANCES OF THE AREA
Water Supply
I am indebted to Dr. E. Windle Taylor, Director of Water Examination,
Metropolitan Water Board, for the following report on the water supplied to
the Borough.
" The supply to the Borough of Lambeth has been satisfactory both in
quantity and quality during the year 1960.
There were no new important extensions of trunk mains nor any
changes in the general scheme of supply to your area during 1960 but the
length of new mains laid amounted to 1539 yards. All new and repaired
mains are chlorinated before being restored to service and samples of
water from them are tested bacteriologically to ensure that its quality is
up to that normally supplied"
The number of samples taken during the year from the Thames Valley
Southern Group for Chemical Examination was 156 and the number taken for
bacteriological examination 1874.
The average results were as follows:-
Chemical Examination
Description of sample Thames derived filtered water | Milligrames per litre (unless otherwise stated) |
---|---|
Ammonia nitrogen | 0.038 |
Albuminoid nitrogen | 0.080 |
Oxidised nitrogen-nitrate | 4.0 |
Chlorides as C1 | 28.0 |
Oxygen abs. from Permanganate 4 hours at 27°c | 1.26 |
Turbidity units | 0.3 |
Colour m.m. brown 2 ft. tube Burgess's Tintometer | 14.0 |
Hardness (total) | 254.0 |
Hardness (non-carbonate) | 68.0 |
pH value | 7.8 |
Phosphate as PO4 | 1.00 |