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 Greenwich Borough]
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86
of water for drinking purposes. Of the remaining 39 wells, 14
are used for commercial purposes and 25 disused.
UNDERGROUND WATER SUPPLIES
No. | Situation and Owners. | Depth of Well —Position. | Use. | Condition of Water | Remarks. |
---|---|---|---|---|---|
1 | British Oxygen Co. Ltd.. Tunnel Avenue, S.E.10. | 200 ft. deep 400 yds. from river. Water drawn at 190 ft. | Drinking. | Bacteriologically a good water; chemically no significant change in composition since March '42; affords no evidence of recent organic pollution and may be considered safe for drinking, but is very hard. | Well completely enclosed and protected from pollution. Samples to be taken quarterly. |
2 | Metropolitan Water Board Pumping Station, Brookmill Road, S.E.8. | 1500yds. from river. | Do. | Water from combination of wells is tested daily. | This well is in circuit by adit to main pump supply. |
3 | Delta Metal Co. Ltd., Delta Works, Tunnel Avenue, S.E.10. | 500 ft. deep 50 yds. from river. Water drawn at 490 ft. | Industrial. | Chemically satisfactory. There is a trace of iron and considerable temporary hardness and salt; no evidence of pollution. | Water used for cooling purposes; there are no drinking points. Well is completely enclosed and protected. |
4 | Christie's Wharf Ltd., Riverside (Lombard Wall), Charlton, S.E.7. | 250 ft. deep 300 yds. from river. Water drawn at 30 ft. | Do. | Chemically satisfactory. There is a trace of iron, the water is very hard, with a high degree of salt. Bacteriologically good; no evidence of recent pollution. | The water is used only for industrial purposes, with no drinking points. The well is in good condition and protected from surface water pollution. |
5 | United Glass Bottle Manufacturers Ltd., Anchor & Hope Lane, Charlton, S.E.7. | Do. | Extremely hard water, with a high salt content and traces of iron. | Used for industrial purposes only. Enclosed type, protected from pollution. There are no drinking points. | |
6 | Do. | Do. | Excessively hard water, very high salt content and heavy in iron. Bacteriologically good. | Used for industrial purposes only. Enclosed type, protected from pollution. There are no drinking points. Only used in emergency as water is too hard. | |
7 | Do. | Do. | Satisfactory, but hard and a little salt. | In regular use for industrial purposes only. Enclosed type, protected from pollution. | |
8 | S. P. Mumford & Co. Ltd., Greenwich Flour Mills. Deptford Bridge. S.E.10. | 165 ft. deep. Very near to Deptford Creek. Water drawn at 36 ft. | Do. | Bacteriologically and chemically there is definite evidence of pollution. The water has a high bacteriological count with B. Coli in 1 cc. | This water is used for commercial purposes and is subject to chlorination. |
9 | St. Alfege's Hospital, Vanbrugh Hill, S.E.10. | Do. | A hard water, with no evidence of pollution. | This well is used as a reserve supply for the Laundry only. Open type, protected from surface water. | |
10 | St. Alfege's Hospital, Vanbrugh Hill, S.E.10. | Do. | A hard water, but showing no evidence of recent pollution. | The well is used as a reserve supply to the boiler feed. Protected from surface water. |