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70
WATER SUPPLY
The Metropolitan Water Roard is responsible for supplying water to this
area and the Director of Water Examination has kindly supplied the following
information:-
The supply was satisfactory both as to quality and quantity throughout 1966.
The water supplied to Hackney is derived from the New River and the River
Thames. No new sources of supply were instituted.
The number of samples collected and the bacteriological and chemical analyses
of the supply from the above sources after treatment are shown in the tables
below. No fluoride was added, and where the fluoride content is indicated it
represents the naturally occurring fluoride in the water.
The supply, being hard in character, is not liable to be plumbo-solvent.
All new and repaired mains are disinfected with chlorine; after a predetermined
period of contact the pipes are flushed out and refilled; samples
of water are then collected for these treated mains; and the mains are returned
to service only after results are found to be satisfactory. The quality control
from these laboratories is carried out by means of daily sampling from sources
of supply, through the treatment works or well stations, from the distribution
system, and through to the consumer. Any sign of contamination or any other
abnormality is immediately investigated.
All dwellings in the borough are supplied from water mains direct to the
houses; there is no permanent supply by means of standpipes.
Thee following additions were made to the mains in this area.
(i) trunk mains - 137 yards of 24" main and 188 yards of 16" main
(ii) other mains - 563 yards
FLUORIDATION
The Council received the following report of the Health Committee on 23rd
June, 1965.
The question of the fluoridation of drinking water as a protection against
dental decay has already been considered by the former Metropolitan Borough
Councils of Hackney, Shoreditch and Stoke Newington and the three authorities
were in favour of the scheme.
We, as the Health Committee of the new London Borough of Hackney, have
now considered the main issues for and against the fluoridation of drinking
water and are of the opinion that it is harmless to health and effective for
dental protection'.
SWIMMING BATHS
Regular routine samples are taken of the water in the four public swimming
baths in the Borough, and of the 18 taken for chemical and bacteriological examination
no adverse report of any consequence has been received.