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
Bromley 1966
[Report of the Medical Officer of Health for Bromley]
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BACTERIOLOGICAL RESULTS — YEARLY AVERAGES, 1966 OF WATER SUPPLIED TO THE LONDON BOROUGH OF BROMLEY
| Source of supply | Number of samples | BEFORE TREATMENT | Escherichia coli count | AFTER TREATMENT | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Agar plate count per ml. | Coliform count | 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. | Count per 100 ml. | Per cent. samples negative in 100 ml. | Count per 100 ml. | 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 | ||||||||
| Kempton Park | 763 | 19.4 | 99.61 | 100.0 | ||||||||
| (a) Shortlands No. 1 | 157 | 0.0 | 2 | 100.0 | — | 100.0 | — | 243 | 0.4 | 6 | 100.0 | 100.0 |
| (b) Shortlands No. 2 | 176 | 0.0 | 1 | 99.43 | — | 99.43 | — | |||||
| (c) Shortlands No. 3 | 137 | 0.1 | 34 | 99.27 | — | 100.0 | — | |||||
| West Wickham | 240 | 0.0 | 35 | 99.17 | — | 99.58 | — | 244 | 0.1 | 14 | 100.0 | 100.0 |
| Orpington | 244 | 0.1 | 88 | 99.18 | — | 99.59 | — | 248 | 0.3 | 10 | 100.0 | 100.0 |
| (a) North Orpington No. 1 | 98 | 1.5 | 17 | 35.71 | 5.6 | 52.04 | 2.1 | 245 | 0.9 | 12 | 100.0 | 100.0 |
| (b) North Orpington No. 2 | 131 | 5.0 | 103 | 27.48 | 10.1 | 45.80 | 4.7 | |||||
| (a) Sundridge No. 1 | 61 | 0.1 | 56 | 100.0 | — | 100.0 | — | 252 | 0.0 | 7 | 100.0 | 100.0 |
| (b) Sundridge No. 2 | 50 | 0.0 | 1 | 100.0 | — | 100.0 | — | |||||
| (c) Sundridge No. 3 | 116 | 0.0 | 1 | 98.28 | — | 99.14 | — | |||||
| (d) Sundridge No. 4 | 107 | 0.0 | 0 | 98.13 | — | 99.07 | — | |||||
| (a) Lullingstone No. 1 | 136 | 0.0 | 1 | 100.0 | — | 100.0 | — | 254 | 0.1 | 11 | 100.0 | 100.0 |
| (b) Lullingstone No. 2 | 122 | 0.0 | 0 | 100.0 | — | 100.0 | ||||||
| (a) Eynsford No. 1 | 204 | 0.2 | 14 | 88.73 | 0.7 | 100.0 | — | 261 | 0.3 | 23 | 99.62 | 100.0 |
| (b) Eynsford No. 2 | 87 | 0.0 | 7 | 98.85 | 0.1 | 100.0 | — | |||||
| (a) Horton Kirby No. 1 | 233 | 0.3 | 64 | 94.85 | 0.2 | 96.14 | 0.1 | 253 | 2.6 | 55 | 100.0 | 100.0 |
| (b) Horton Kirby No. 2 | 246 | 0.1 | 2 | 97.97 | 0.2 | 99.59 | 0.1 | |||||
| Jewels Wood | 42 | 4.4 | 22 | 100.0 | — | 100.0 | — | 42 | 3.5 | 19 | 100.0 | 100.0 |
* Hampton, Surbiton and Walton