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Sanitary Report, 1893.
11
No. 14 being the portion south of Carlton Road and
the London and North Western Railway
beyond Salusbury Road.
The district is undulating with a distinct ridge
dividing the parish into two unequal portions, which
determines the drainage areas, about two-thirds of
the houses draining into the Metropolitan system,
and the remainder into a local system, terminating
in a sewage farm.
SEWERAGE.
With the formation of new roads, with houses
and increase of population, there must of necessity
be a great increase of sewage; that flowing into the
Metropolitan area does not call for comment, but that
into the Brent system is an ever-increasing difficulty.
During the long dry summer there were complaints
of some of the ventilators in the roads, though the
causes of such complaints are very seldom found in
the sewers but in the house drains leading into
them. The sewers are flushed regularly every week,
and more frequently where found necessary (see the
Surveyor's Report). If house drains were more
thoroughly flushed I have no doubt many of the
complaints would cease. So many people think
that by letting water flow through the drains for a
certain time they are doing a most useful thing, but
if a quantity of water were emptied suddenly it
would effect what a small flow of water never will,
that is, a thorough cleansing of the drain. In many
instances house drains have been flushed under the
direction of the Surveyor, with complete relief from
any bad odours rising from the road ventilators.
Ventilating shafts, carried up well above the windows
of houses, have acted favourably; about 60 are in
operation at present, and I am of opinion that if