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21. WATER SUPPLIES, SWIMMING BATHS AND SEWAGE DISPOSAL
WATER SUPPLIES
Four water undertakings supply the borough with mains water. The Colne Valley Water Company
supplies small parts of Perivale and Horsenden Wards. The Rickmansworth and Uxbridge Valley Water
Company supplies the remainder of Perivale and Horsenden Wards, part of Waxlow Manor Ward and the
whole of Ravenor, Mandeville and West End Wards. The South West Surburban Water Company supplies
the whole of Dormers Wells and Northcote Wards, the remainder of Waxlow Manor Ward and part of Glebe
Ward. The Metropolitan Water Board supplies all other areas of the borough not already mentioned.
These public supplies have been satisfactory in quality and quantity and are not subject to plumbosolvent
action. Water from public mains was supplied to 91,189 dwellings with a mid-1968 estimated
population of 298,720.
Private supplies are derived from wells at factories in the borough. In these factories water is obtained
from deep borings ranging in depth from 300 to 600 feet. Of 87 samples of water from these wells
submitted for bacteriological and chemical examination during the year 7 were found to be unsatisfactory
and 2 doubtful. After thorough cleansing and sterilization of supply pipes, repeat samples proved to be
satisfactory.
As a result of complaints, 26 samples of tap water from public supplies were taken and 6 proved
unsatisfactory.

SWIMMING BATHS
The Council has public swimming baths at Ealing , Acton, Southall and Northolt.
In addition, at four of the Council's schools there are swimming pools, and there is also a pool at
one direct grant school.
A private private bath is provided for the residents of a privately owned housing estate.
The Department took samples of water from each pool at regular intervals throughout the year and
these were submitted for bacteriological examination.
52.