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

Tottenham 1963

[Report of the Medical Officer of Health for Tottenham]

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Table: AVERAGE RESULTS OF THE CHEMICAL AND BACTERIOLOGICAL EXAMINATION OF THE WATER SUPPLIED TO THE BOROUGH OF TOTTENHAM FOR THE YEAR 1962(Milligrams per litre (unless otherwise stated))

AVERAGE RESULTS OF THE CHEMICAL AND BACTERIOLOGICAL EXAMINATION OF THE WATER SUPPLIED TO THE BOROUGH OF TOTTENHAM FOR THE YEAR 1962

(Milligrams per litre (unless otherwise stated))

Description of the SampleNo. of samplesAmmonia NitrogenAlbuminoid NitrogenOxidised Nitrogen (Nitrate)Chlop= ides as ClOxygen abs, from Permanganate 4 brs, at 27°CTurbidity UnitsColour m.m brown 2 ft Tube Burgess s TintometerHardness (Total)Hardness (non-carbonate)pH ValuePhosphate as PO. 4Silicate as lo2Sulphate as SO. 4Fluoride as FMagnesium as Mg.Surface Active Material as ManoxolSodium as NAPotassium as KElectrical Conductivity (micro-mhos)
New River derived1040.860.15.2380.20.6306707.81.011580,2550,07294.9620
Park well20.1100.0200.32.60.80.25264567.418.04.1630

Table: BACTERIOLOGICAL RESULTS- YEARLY AVERAGES, 1962

BACTERIOLOGICAL RESULTS- YEARLY AVERAGES, 1962

BEFORE TREATMENTAFTER TREATMENT
Agar plate couni per ml.Collfofm countEscherichia coll countAgar plate count per ml,Coliform countEscherichia coli count
Number of samples20-24 hours at 37°C.3 days at 22°C.Per cent samples negative in 100 ml.Count per 100mlPe' cent samples negative in 100 ml.Count per 100 ml.Number of samples20-24 hours at 37°C.3 days at 22°C.Per cent samples negative In 100 ml.Per cent samples negative in 100 ml.
New River derived5124.5-100.0100.0
Park well650.42295.380.198.46-690.14100.0100.0