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 Sutton]
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WATER SUPPLY.
All houses in the Borough have piped water supply. The majority are
supplied by the Sutton District Water Company, a few near the northern
boundary are supplied by the Metropolitan Water Board. There are private
wells at hospitals, factories and a school.
The average fluoride content of the water is 0.1 parts per million.
The Sutton Company draws its supplies from wells in the chalk at
Woodmansterne, Sutton and Cheam, and is under statutory obligation to
soften the water to 9° of hardness.
The following is a copy of a routine sample taken by the public health
inspectors
Report on Examination of a Sample of Water
Sources Sutton District Water Company
Date Received: 15th March, 1965
Particulars on Labels Sutton & Cheam 145. Drinking Water from
158 Sutton Court Road, Sutton. 11 a.m. 15.3.65.
Physical Characters:
Reaction (pH)s 7.5 Taste Normal Odour None
Colours Greenish Blue
Appearances Bright and Clear
Electrical Conductivity at 20°C. 240 reciprocal megohms.
Chemical Characters:
Parts per million | (.milligrams per litre) | ||
---|---|---|---|
Total Solids dried at 180°C | 160 | ||
Chlorine in Chlorides as Chlorion | 16 | ||
Nitrite Nitrogen | trace | ||
Nitrate Nitrogen | 4.2 | ||
Ammoniacal Nitrogen | 0.00 | ||
Albuminoid Nitrogen | 0.00 | ||
Oxygen absorbed in 4 hours at 27°C | 0.00 | ||
Alkalinity as CaC03 | 71 | ||
Hardness as CaCO3 | Carbonate | 71 | Total 108 |
Non-Carbonate | 37 | ||
Free Carbon dioxide as CO2 | |||
Residual Chlorine | None | ||
Iron | None | ||
Other Metals | None |