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short distance of the Sewage Works as it appears impossible to operate
even a modern plant without some inconvenience, especially after a
spell of hot weather. Local residents can rest assured, however, that
every possible step is taken by the Richmond Main Sewerage Board
to minimise the risk of nuisance.
VERMINOUS PREMISES ETC.
Rodent Control.
Satisfactory progress has again been made towards our aim of
completely eradicating rats from the sewers. Only a very small proportion
of the sewer manholes now show 'takes' of rodent bait. It is
hoped to concentrate now on some small but intensive campaigns to
eliminate, if possible, the pockets of infestation which remain.
Pigeons.
With the coming into operation of the Public Health Act, 1961,
local authorities generally can now undertake the destruction of feral
(wild) pigeons. Although we have been instrumental in assisting a
few householders troubled by these pests inside their premises, no
organised large scale measures have so far been undertaken. Modern
techniques are being developed to deal more adequately with these
birds which cause such a lot of damage and nuisance, but care is
needed so as not to cause distress to bird-lovers, who, like the dog
owners, do not seem to mind what mess their protegees make — on
other people's property.
Other Pests.
No undue difficulties were encountered in dealing with the few
cases of infestation by other pests. With the increased use made of
the Barn Elms Playing Field, investigation was needed on the identity
and origin of swarms of insects which appeared in the vicinity of the
small lake. These were identified as Chironomidae and remedial
measures appear to have had a fair degree of success.
The routine spraying of school kitchens to deal with flies has been
suspended as a matter of policy and it will be interesting to see whether
this has been justified. At the time of writing no complaints of flies
have been received from workers in the kitchens.
Swimming Pool.
In June of this year a learners' swimming pool was opened at
Sheen Mount County Primary School. The source of the water is
from the Metropolitan Water Boards supply and a modern filtration
and chlorination plant has been installed. A process of continuous