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20
SECTION C.
SANITARY AND ENVIRONMENTAL CIRCUMSTANCES.
Water Supply.
I am indebted to the Director of Water Examination,
Metropolitan Water Board, for the following statement and also
for the details of analysis of water supplies, which are set out
in Appendix VI.
" The supply to the district of Orpington has been adequate
at all times during 1951 and is derived from seven wells, namely,
Orpington, North Orpington, Jewels Wood, Sundridge, Eynsford,
Shortlands and Bexley.
Bacteriological analyses of these wells are made five times
a week and consistently satisfactory results have been obtained.
Chemical analyses of well supplies are also made at regular
intervals.
All supplies are treated with chlorine on the works, but any
excess remaining after a period of contact is removed completely
or reduced to an amount that will not be perceptible to the
consumers.
All new and repaired mains are disinfected with chlorine
before being restored to supply and samples of water from them
are analysed to establish that the water in them is up to the
normal standard of water in the distribution system.
None of the supplies is plumbo-solvent.
We have no information with regard to the proportion of the
total number of dwelling houses and population in Orpington
which are supplied from the above-mentioned sources. All the
houses are supplied directly and not by means of stand pipes."
The following information has been supplied by the Clerk
to the Metropolitan Water Board :—
" The supply to the Orpington district during 1951 was
satisfactory as regards quantity.
There have been no extensions of trunk mains in the Council's
area during the year and no new sources of public water supply
have been instituted.
Lengths of service mains have been laid in various areas of
the Orpington district."
There are certain residential areas within the district that
are without main piped water supply, no less than one hundred
and sixty-three being dependent upon underground tank or well
supply.
During the year seventeen houses previously devoid of main
supply were connected to water mains.