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

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Havering 1966

[Report of the Medical Officer of Health for Havering]

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WATER SUPPLIES
10 samples were taken from the main water supplies during
the year. 9 were submitted for bacteriological and chemical
examination and one for bacteriological examination only. All
were found to be satisfactory.
Mr. P. Gordon Spencer, General Manager and Chief Engineer,
South Essex Waterworks Company, has kindly supplied the
followinginformation concerning the main supply for the Borough.
"The Chigwell Row Works are now in operation
Length of mains laid in yards:—
3'7698 4"/2,677 6"/365 9"/164 12"/49.
The water supply for the area and of its several parts has
been satisfactory both as to quality and quantity.
Bacteriological and chemical examinations are made of
the raw water, of the water in its various stagesoftreatment.
of the water supplied from the Company's wells and of the
water going into supply.
Analyses are also made of samples obtained from consumer's
taps in the various parts of the Company's district
and all proved to be satisfactory.
A total of over 8,152 chemical, bacteriological and biological
examinations have been made. In addition samples
were examined for radioactivity.
We do not make frequent fluorine determinations but on the
basis of past results, the fluorine content of the supplies
is put at 0.25 p.p.m.
The waters are not liable to plumbo-solvent action.
No contamination has arisen, therefore no action has been
necessary.
The number of dwelling houses supplied as at the 31st
December last was 79.061 and the population as at the
31st December last as obtained from the Registrar-General
was 250,190. We are unable to state the number of
houses supplied by standpipe, but the total is quite
insignificant."
70