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quantity of the water. Samples of water so supplied are regularly
subjected to chemical and bacteriological examination by the Board
at its own laboratories.
The water supplied by the Metropolitan Water Board in this
area is not subject to plumbo-solvent action.
At the end of the year the number of occupied dwellinghouses
was estimated at 44,944; water being piped to all these houses by
the Board direct from its mains.
Local industries are also supplied with water by the Metropolitan
Water Board, but for industrial uses and fire fighting additional
supplies are taken from seven wells which are still in use in the
Borough.
Well water is also used at the Council's swimming baths at
Woolwich and Plumstead. Samples of the well water taken for
bacteriological examination showed it to be satisfactory.
DRAINAGE
The number of drainage defects discovered during 1961 totalled
274, and the work of repair or reconstruction was supervised by the
Public Health Inspectors. Of a total of thirty-two private and
combined drains smoke tested 17 were found to be defective. One of
these, a disused drain, was subsequently exposed by the staff of the
Department and sealed off.
Of the forty-three combined drains inspected and tested during
the year, one was found to be defective and Notices were served under
the provisions of Section 40 of the Public Health (London) Act, 1936
on the various owners concerned. The work of repair and reconstruction
was carried out by the Borough Engineer's Department, and the cost
of the necessary work was shared between the responsible owners.
PUBLIC BATHS AND PADDLING P00LS
At all of the Council's Swimming Baths the water is continuously
filtrated and chlorinated.
Samples of the water from the Swimming Baths and from the
Paddling Pools are taken as a routine for testing.
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