Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Lambeth Borough]
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63
No houses were permanently supplied by stand pipe.
There was no change to the general scheme of supply in the area.
The following additions to the mains in the area took place
trunk mains - 705 yards
other mains - 884 yards.
Source of supply | BEFORE TREATMENT | ||||||
---|---|---|---|---|---|---|---|
Number of samples | Agar plate count per ml. | Coliform count | Escherichia coli count | ||||
20-24 hours at 37°C. | 3 days at 22°C. | Per cent. samples negative in 100ml. | Count per 100ml. | Per cent. samples negative in 100ml. | Count per 100ml. | ||
Thames-derived, South of River Honor Oak | 68 | 0.1 | 34 | 99.59 | 0.1 | 97.06 | |
Source of supply | AFTER TREATMENT | ||||||
Number of samples | Agar plate count per ml. | Coliform count | E. coli count | ||||
20-24 hours at 37 C. | 3 days at 22°C. | Per cent. samples negative in 100 ml. | Per cent. samples negative in 100 ml. | ||||
Thames- derived, South of River | 1,825 | 10.8 | - | 99.18 | 99.95 | ||
Honor Oak | 0.0 | 15 | 100.0 | 100.0 |