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140
Water.
Paddington is supplied with water by the Grand
Junction and West Middlesex Companies, which draw
their supplies from the Thames, as do also the Chelsea,
the Lambeth, and the Southwark Companies. The remaining
Metropolitan Water Companies are the Kent
Company, whose water comes from the deep wells, and
the New River Company, and East London Company,
both of which derive their water from the River Lea.
For the purposes of comparison, Professor Frankland
in his annual report to the Registrar General on the
condition of these waters during 1888, includes also the
results of similar examinations of the water supplied by
the Colne Valley Water Company, and the Tottenham
Local Board of Health. He found that on the whole
the water delivered by each of the above-named
Companies, maintained, except in March, November,
and December, the high quality exhibited for several
years past.
Temperature: Whilst the monthly variation in
temperature is in the case of the river waters very
great, the temperature of the deep well water is practically
constant throughout the year. Thus the water
derived from the Thames, and supplied by the Chelsea,
West Middlesex, Southwark, Grand Junction, and
Lambeth Companies, varied in temperature from 37°.4
in February, to 65°.3 in June. Again the water from
the Lea distributed by the New River and East