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drawing on the supply to a much greater extent than the mains
could cope with. Towards the end of the year, however, the
inconvenience was remedied to a large extent through a collateral
service from Sudbury being established as a temporary measure
until new mains are laid sufficient to supply the whole of the area.
The rapid growth of Northolt is also causing similar conditions
of inadequacy of supply to arise at the present time. This inadequacy
will have to be remedied by the laying of new mains.
Rivers and Streams.— There was no occasion during the year
to complain of the pollution of any of the streams in the district.
The stream running through Greenford which caused so much
difficulty and discomfort two years ago is now flowing with a
reasonable degree of purity.
Drainage and Sewerage.— Excepting in the Greenford and
Northolt Wards and the most northerly part of the Mount Park
Ward, all of which areas are still mostly rural in character, the
houses in the Borough are supplied with water closets and are
drained into the main sewerage system. In the Northolt and
Greenford Wards a large amount of work was done during the year
in improving the drainage of houses and in connecting them with
the main sewerage system. There still remains, however, a large
amount of pressing work to be done in connection with the drainage
of new houses, the drains of which have been connected up to
cesspools as a temporary measure until sewers have been laid in the
district. These cesspools are insufficient in size and in character
and are a source of serious pollution of ditches and roadways in
the neighbourhood of the houses.
Sewage Disposal.— There are five separate sewage works in
the Borough, situated at North Ealing, South Ealing, Hanwell,
Greenford and Northolt. The first two are very efficient works.
As regards the Hanwell works steps have been taken to reduce the
smell which was complained of and which arose from the sludging
methods adopted. A sludge pressing plant is being installed and
it is hoped that this may reduce the smell to a minimum.