London's Pulse: Medical Officer of Health reports 1848-1972

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Sutton 1965

[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°C160
Chlorine in Chlorides as Chlorion16
Nitrite Nitrogentrace
Nitrate Nitrogen4.2
Ammoniacal Nitrogen0.00
Albuminoid Nitrogen0.00
Oxygen absorbed in 4 hours at 27°C0.00
Alkalinity as CaC0371
Hardness as CaCO3Carbonate71Total 108
Non-Carbonate37
Free Carbon dioxide as CO2
Residual ChlorineNone
IronNone
Other MetalsNone