London's Pulse: Medical Officer of Health reports 1848-1972
View report page
Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Beckenham 1962
[Report of the Medical Officer of Health for Beckenham]
This page requires JavaScript
METROPOLITAN WATER BOARD—WATER EXAMINATION DEPARTMENT BACTERIOLOGICAL RESULTS—YEARLY AVERAGES 1962
I am grateful to Dr. E. Windle Taylor, Director of Water Examination for the following tables:—
| 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 negatives in 100 ml. | Count per 100 ml. | Per cent Samples negative in 100 ml. | Count per 100 ml. | ||
| Thames-derived Southern Group | — | — | — | — | — | — | — |
| Shortlands No. 1 | 58 | 0.0 | 1 | 100.0 | — | 100.0 | — |
| Shortlands No. 2 | 74 | 00 | 1 | 98.65 | — | 98.65 | — |
| Shortlands No. 3 | 239 | 0.0 | i | 98.58 | — | 99.58 | — |
| West Wickham | 175 | 0.0 | 142 | 97.14 | 0.1 | 100.0 | — |
| Orpington | 243 | 0.2 | 11 | 98.77 | — | 99.59 | — |
| Source of Supply | AFTER 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 100 ml. | Per cent Samples negative in 100 ml. | ||||
| Thames-derived Southern Group | 1,889 | 11.5 | — | 99.79 | 99.95 | ||
| Shortlands No. 1 | — | — | — | — | — | ||
| Shortlands No. 2 | 254 | 0.0 | 9 | 100.0 | 100.0 | ||
| Shortlands No. 3 | — | — | — | — | — | ||
| West Wickham | 178 | 0.0 | 39 | 99.44 | 100.0 | ||
| Orpington | 248 | 0.5 | 35 | 99.60 | 100.0 | ||