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

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Beckenham 1964

[Report of the Medical Officer of Health for Beckenham]

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BACTROLOGICAL RESULT-YEARLY AVERAGES 1962

I am grateful to Dr. E, Windle Taylor, Director of Water Examination for the following tables:-

Source of supplyNumber of samplesAgar plate count per ml.' Coliform countKscherichia coli count
20-24 hours at 37°C3 days at 22 C,Per cent samples negative in 100 ml.Per cent samples negative in 100 ml.
Thames-derived South of River¯¯¯¯¯
Shortlands No. 1 well680.07598.5398.53
Shortlands No. 2 well850.13100.0100,0
Shortlands No. 3 well1990.2399.5099.50
West wickham well2380.16100.0100.0
Orpington well242 .0.4699.58100.0

BACTROLOGICAL RESULT-YEARLY AVERAGES 1962

I am grateful to Dr. E, Windle Taylor, Director of Water Examination for the following tables:-

Source of SupplyAFTER TREATMENT
Number of samplesAgar plate count per ml.Coliform countKoscherichia coli count
20-24. hours at 37°C.3 daYs at 22 CPer cent samples negative in 190 ml,Per cent. samples negative in 100 ml.
Thanes-derived South of River188310.699.95100.0
Short-lands well2440.1299.5999.59
West Wickham well2420.02100.0100.0
Orpington well2450.219100.0100.0