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

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Bexley 1949

[Report of the Medical Officer of Health for Bexley]

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Offensive Trades (Fish Frying); Tents, Vans, Sheds,
and Similar Structures; Lodging (Housing Act, 1925)
Sec. 6; New Streets and Buildings adopted 1927; New
Streets and Buildings adopted 1931 and Slaughterhouses;
lapsed in 1940 as under the Borough Charter of 1937 all
Byelaws then in existence had to be re-made within
three years of October, 1937. Application was made to
the Ministry of Health for renewal of certain of the
lapsing Byelaws which it was deemed necessary to have
in effect, but in view of the war the Minister refused to
sanction the proposed Byelaws put forward.
So far it has been possible to continue sanitary work
without these Byelaws, but if a difficult offender is met
it is not possible to forecast how a remedy for the
nuisance or defect can be obtained where such is not
covered in the general legislation.
1. (i) Water Supply.
The supply to Bexley district is derived from several
sources, namely, "Wilmington, Darenth, Wansunt, Crayford,
Bexley and Deptford wells, and Thames-derived
filtered water. All the water is chlorinated as it leaves
the works.
Bacteriological analyses are made five times per week
of all supplies and, as in 1948, completely satisfactory
results have been obtained. In the case of the well
supplies the water is sampled both before and after
chlorination. Water derived from the River Thames is
sampled at each stage of the purification process. Tanks
to provide an adequate period of contact of the chlorine
with the water are now in operation at Wilmington,
Crayford, Bexley and Deptford.
All new and repaired mains are chlorinated before
being restored to use and samples of water from them are
tested bacteriologically.

The examination of samples of water from piped supplies to houses at least monthly has given the following results:—

Bacteriological.
No. of organisms per c.c. capable of growth on Agar at:B. coli presumptive Absent in 100 c.c in all samples
37° C.22° C.
0-160-12