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53
SWIMMING BATHS.
There are three swimming pools in the area, to which twelve
visits were made. All use mains water.
1. A small privately owned open air bath, available to the
public only on a limited scale mainly by appointment for swimming
lessons, is used only when the weather is suitable. The water is
chlorinated by the addition of chloride of lime and is cleaned
manually. In a normal summer season the pool is emptied and
refilled three times. Samples have been collected from this bath
for many years. Two taken during 1959 were satisfactory.
2. An outdoor pool attached to a factory, used mainly in the
evening by the workers there and not open to the public. The bath
is fitted with plant, working continually which provides for
filtration, aeration and chlorination. A change of water is effected
twice in every 24 hours. Two samples taken during the year were
satisfactory.
3. An indoor pool situated at a Children's Home, owned by
the London County Council, is used by the children there and by
those attending other schools in the area.
A purification plant is installed providing for chlorination,
filtration and heating. Water circulates every eight hours whilst
the pool is in use.
Copies of reports on six samples taken by the owners, reveal
the water to be kept in good condition.
VERMINOUS CONDITIONS AND INSECT PESTS.
Twenty-two complaints were received alleging the presence of
vermin (bed bugs, fleas, etc.) and 59 visits were paid to the premises
concerned and to others.
In 22 cases insect infestation was found and the necessary
treatment, using one of the residual insecticides, was applied. Seven
of these treatments were carried out to premises under the control
of the Council and a further six prefabricated bungalows were
sprayed as a precautionary measure.
Weather conditions obtaining during the summer gave rise to
exceptionally large numbers of garden insect pests, which can be
troublesome when they invade the dwelling. Ants were numerous
and no fewer than 141 instances of wasps nests were drawn to the
attention of the Department.
WATER SUPPLY.
The supply of water to the district is from the mains of the
Metropolitan Water Board. In one case only are there premises
where water is obtained from a private source. Six samples of