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

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Heston and Isleworth 1927

[Report of the Medical Officer of Health for Heston and Isleworth]

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77
Morgan and is occasionally the only suspicious organism found
in the stools of patients suffering from enteritis it is not unfrequently
found in the faces of healthy individuals. No
typhoid or para-typhoid bacilli were found."
"Report on examination of water from water-cress bed—
Indol producing B. coli were readily isolated from small quantities
of this water, but we understand the samples had been
incubated before being sent to us so that it is not possible to
form any opinion as to the number present when the sample
was taken. No typhoid or para-typhoid bacilli were isolated."
"Report on examination of mixed water from water-cress
bed—No coliform organisms or any organisms of known
pathogenic significance were found in this sample of water."
The facts were communicated to the Ministry and it was arranged
that Representatives should accompany us to the beds and
take further samples. This was done, and the results were as
follows:—
A. Water.
On upper set of beds (1) Emerging from deep well "L.O."—
Unpolluted (B.Coli absent in 50 c.c.)
(2) Emerging from deep well "N.O."—
Idem.
On lower set of beds (3) Emerging from deep well "L.S.H."—
(drainage from upper sets of beds).
Polluted (Typical B.Coli present in
1 c.c.
(4) Emerging from deep well "D."—
(drainage of neighbouring beds).
Polluted (Typical B.Coli present in
1 c.c.).
B. Water-cress.
Lower set of beds (1) 4th Cross Bed (tops above water)—
Unpolluted (B.coli absent).