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

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Ruislip-Northwood 1946

[Report of the Medical Officer of Health for Ruislip]

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Water Supply :
The whole of the district is supplied by the Colne Valley
Water Company, with the exception of the following :
Cottages in Field End Road, South Ruislip 4
Cottage, Rayson's Hill, Eastcote 1
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Reports are received monthly from the Colne Valley Water
Company as to the chemical and bacteriological examination of
samples of water, and these have proved satisfactory in every
case.
Bathing Establishments—Ruislip Lido
In August, 1946, during a heavy downfall of rain, one of
the main sewers became blocked, leading to an overflow of sewage
into the stream which supplies the Grand Union Canal Lido at
Ruislip.
Samples of the water in the Lido were taken from various
places, which revealed a heavy pollution of the water with
Faecal Coli. Bathing and paddling were in consequence prohibited
until further orders.
Stream Supplying Lido :
After repair of the drain numerous samples were taken
from the stream, and this water itself was found to be equally
polluted. Further investigation revealed the fact that there
existed outside the area stables, the effluent from which discharged
straight into the stream.
Suggested Remedies :
The matter was taken up with the Grand Union Canal
Company, who co-operated with the Council wholeheartedly in
their efforts to remedy the pollution as far as practicable.
It was suggested that a chlorinating plant should be erected
at the point where the stream entered the Lido, and that a chlorinating
boat should be employed regularly on the Lido itself.
Owing to the difficulty in securing machinery, materials and
labour, this work could not be commenced before the end of the
year 1946.
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