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26
SECTION C.
SANITARY AND ENVIRONMENTAL CIRCUMSTANCES
OF THE AREA.
Water.
I am indebted to both the Clerk and the Director of Water
Examination of the Metropolitan Water Board for the following
information on the supply of water to the Borough during the
year 1949:—
"No standpipe supplies were provided, and houses throughout
the Borough received their supplies direct from the public
water mains.
"No new source of public water supply has been instituted
in the Council's area during the year, and there have been no
extensions of trunk mains.
"Considerable lengths of service mains have been laid on
the Coppice Estate, and short lengths in the Hayes and Keston
districts.
"The supply to the Bromley district has been adequate at
all times. The higher level is supplied from Shortlands well and
by the Thames-derived filtered water; the lower level is supplied
from West Wickham and Orpington wells with additional
Thames-derived water during the summer months.
"All the Thames-derived water is chlorinated as it leaves the
works. The well water is also chlorinated, but any residual
chlorine is completely removed before the water leaves the
works.
"Bacteriological analyses of all supplies are made five times
a week, and in the case of the river-derived supply the water
is tested bacteriologically at all stages of purification. All new
and repaired mains are disinfected with chlorine before being
restored to use and samples of water from them are tested
bacteriologically.
"None of the supplies is plumbo-solvent.
"The closest watch is kept for any form of contamination,
and immediate action is taken if the results of analyses are not
up to standard.
"Appended are the average results of the chemical and
bacteriological analyses of the various supplies for 1949."