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24
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 piumbo solvent action and have been satisfactory both
in quantity and quality. Water from public mains is supplied
to 53,117 houses with an estimated population of 184,600.
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. Also five samples were taken
from main water supplies, The analysis of all these samples
showed that the supplies were wholesome in character.
DRAINAGE AND SEWERAGE.
There are 23 houses in the Borough not connected to
the Council's sewers, one house previously drained to a
cesspool having been connected during the year. None of
these houses are within a reasonable distance of the
Council's sewerage system and there is no immediate prospect
of re drainage.
RIVERS AND STREAMS.
Investigations into the pollution of the River Brent.
No. of inspections 325
No. of samples taken by County Engineer's Dept. 27
(a) Satisfactory 14
(b) Unsatisfactory 13
No. of drainage defects found by Sanitary Inspectors
(a) In factories 23
(b) In houses 33
No. of drainage defects remedied
(a) In factories 21
(b) In houses 32