London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Carshalton 1963
[Report of the Medical Officer of Health for Carshalton]
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The flow of water over the weir on the River Wandle in the Grove
grounds was as follows:—
Maximum Spring Flow 3.78 million gallons/day during weeks ending
30th May and 6th June.
Minimum Spring Flow 0.135 million gallons/day during weeks ending
31st January and 7th February.
Total Spring Flow 746.8 million gallons 1st January to 31st December,
1963, but excluding the weeks ending 17th and 24th January,
14th, 21st and 28th February and 7th and 14th March for which
no recordings are available due to abnormal weather conditions
at the time and mechanical faults in the recorder.
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