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15
SECTION 2
SANITARY CIRCUMSTANCES OF THE BOROUGH
WATER.
There are three sources of supply in the Borough. The
Northolt, Greenford North, Greenford Central and Greenford
South Wards, most of Perivale Ward and part of Hanger
Hill Ward are supplied by the Rickmansworth and Uxbridge
Valley Water Company with the exception of four roads (in
part) in the Perivale Ward and one road (in part) in the
Hanger Hill 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 53,697 houses with an estimated population
of 183,600.
Ten samples were taken from wells at five factories
in the Borough using water from deep borings ranging in
depth from 300 to 600 feet. The analysis showed that the
supplies were wholesome in character.
One sample was taken from the water storage tank of a
private house and this was found to be satisfactory.
DRAINAGE AND SEWERAGE.
The soil sewerage from the district flows to the West
Middlesex Drainage Works at Mogden. The surface water
finds its way out of the district by the various water
courses.
One cesspool was discontinued during the year leaving
21 premises not connected to the Council's sewers.
RIVERS AND STREAMS.
The work of tracing sources of pollution in the River
Brent continued during the year. Twenty-two samples from
sewer outfalls into the River Brent and canal were taken
by the County Engineer's Department, Middlesex County
Council, and of these 12 proved to be satisfactory and 10
unsatisfactory. Three samples were also taken from the
River Brent by members of my Department. These three samples
proved to be satisfactory.
As a result of these reports investigations were
carried out and drainage defects in 7 factories and 14
houses were remedied after notice by the Public Health
Inspector.