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
Sutton and Cheam 1949
[Report of the Medical Officer of Health for Sutton and Cheam]
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Samples of the raw and treated waters are examined
daily by the Company's chemist and bacteriologist in the
laboratory at the Sutton Works. Samples are also examined
at monthly intervals by the Company's Consultant Analyst,
and monthly samples are examined in rotation by the District
Councils in the area of supply.
The supply from all sources has been satisfactory in
quality and quantity. All the dwelling houses have a direct
supply from the public mains.
Below is the average of monthly analyses.
| CHEMICAL RESULTS IN PARTS PER MILLION | AVERAGE |
|---|---|
| Total solid residue dried at 180°C. | 202.9 |
| Ammonia, free | 0.141 |
| Ammonia, Albuminoid | 0 |
| Nitrogen in Nitrates | 7.3 |
| Nitrogen in Nitrites | 0 |
| Oxygen absorbed in 4 hours at 27°C. | 0.016 |
| Chlorine in Chlorides | 17.3 |
| Hardness total (grains per gallon) | 8.46 |
| BACTERIOLOGICAL RESULTS | |
| No. of Bacteria growing on Agar per ml. for 3 days at 20°C. | 1.3 |
| No. of Bacteria growing on Agar per ml. for 1 day at 37°C. | 0.08 |
| Presence of Bacillus Coli in 100 ml. | 0 |
Drainage and Sewerage.
Owing to the restrictions imposed by war conditions, no
major reconstruction work or new constructions have been
carried out, either at the sewage works or in conjunction with
the main drainage system, except for a length of storm water
relief sewer in Langley Park Road, Sutton. A scheme for
the major reconstruction of the Worcester Park Sewage
Works is in course of preparation and the Public Enquiry has
been held.
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