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
Enfield 1969
[Report of the Medical Officer of Health for Enfield]
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| Causes of Disability | |||||
|---|---|---|---|---|---|
| Cataract | Glaucoma | Retrolental Fibroplasia | Myopia | Other | |
| (i) Number of cases registered during the year in respect of which Forms B.D.8 recommended: | |||||
| (a) No treatment | 5 | 1 | — | 2 | 38 |
| (b) Treatment (medical, surgical, optical or ophthalmic medical supervision) | 14 | 14 | 4 | 26 | |
| (ii) Number of cases at (i) (b) above which on follow-up action: | |||||
| (a) Have completed treatment | — | 1 | — | 2 | — |
| (b) Treatment started, but not completed | 8 | 12 | – | 2 | 23 |
| (c) Awaiting treatment | 4 | 1 | — | — | — |
| (d) Refused treatment | — | — | — | — | 1 |
| (e) Died or removed from the Borough | 2 | _ | _ | _ | 2 |
| (iii) Number of new cases registered during 1969 | 19 | 15 | _ | 6 | 64 |
| (iv) Total number of cases registered as at 31st December, 1969 743 | |||||
| Average Results in milligrams per litre where applicable | |||||
|---|---|---|---|---|---|
| Thames Derived North of River | New River Derived | Hoe Lane Well Derived | Hadley Road Well Derived | Waltham Abbey Well Derived | |
| Number of Samples | 371 | 106 | 4 | 4 | 4 |
| Ammoniacal Nitrogen | 0.024 | 0.012 | 0.100 | 0.175 | 0.195 |
| Albuminoid Nitrogen | 0.083 | 0.061 | 0.025 | 0.031 | 0.032 |
| Nitrate Nitrogen | 4.4 | 4.7 | — | 0.5 | 0.3 |
| Oxygen abs. from KMnO4, 4 hrs. at 27 °C. | 1.05 | 0.60 | 0.26 | 0.16 | 0.33 |
| Hardness (total) CaCO3 | 282 | 310 | 421 | 278 | 279 |
| Hardness (non-carbonate) CaCO3 | 79 | 83 | 182 | 46 | 67 |
| Magnesium as Mg | 5 | 5 | — | — | — |
| Sodium as Na | 24.0 | 30.8 | — | — | — |
| Potassium as K | 5.4 | 5.3 | — | — | _ |
| Chloride as C1 | 32 | 41 | 31 | 21 | 24 |
| Phosphate as PO4 | 2.1 | 1.6 | — | — | — |
| Silicate as SiO2 | 9 | 10 | — | — | — |
| Sulphate as SO4 | 58 | 68 | — | — | — |
| Natural Fluoride as F | 0.25 | 0.25 | 0.60 | 1.10 | 0.70 |
| Surface-active material as Manoxol OT | 002 | 002 | — | _ | _ |
| co2 | — | — | — | — | — |
| Turbidity units | 01* | 01 | 06 | 02 | 04 |
| Colour (Burgess units) | 11 | 7 | 6 | 4 | 7 |
| pH Value | 79 | 7.9 | 7.2 | 7.4 | 7.5 |
| Electrical Conductivity (micromhos) | 550 | 620 | 720 | 550 | 550 |