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17
SECTION 2.
SANITARY CIRCUMSTANCES OF THE BOROUGH
Water.
There are three sources of supply in the Borough. The
Greenford North, Greenford South and Perivale Wards are supplied
by the Rickmansworth & Uxbridge Valley Water Company, with
the exception of five roads in the Perivale Ward which are served
by the Colne Valley Water Company, The remainder of the
Borough is supplied by the Metropolitan Water Board. These
supplies are not subject to plumbo-solvent action and have been
satisfactory both in quantity and quality. Water from public
mains is supplied to 52.276 houses with an estimated population
of 185,000.
Twelve samples were taken from wells at six factories in the
Borough using water from deep borings ranging in depth from 300
to 600 feet. The analysis of these samples showed the supplies
were wholesome in character.
Drainage and Sewerage.
One house which was drained to a cesspool was demolished
during the year leaving 25 permanent houses in the Borough not
connected to the Council's sewers. The majority of these are in the
outlying areas and there is no immediate prospect of their being
drained to the Council's sewerage system until these areas have been
further developed.
Rivers and Streams.
Pollution of the River Brent.
The extensive work entailed in tracing and remedying sources
of pollution in the River Brent has continued during the year.
Although the River is polluted before entering the Borough,
samples taken by the County Engineers Department have indicated
added pollution from outfalls into the River serving the industrial
area in the North Circular Road district and the industrial and
residential areas of Perivale and North and South Hanwell.