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SECTION B
SANITARY CIRCUMSTANCES OF THE AREA
Water Supply.
The domestic water supply in the Borough is taken from the Metropolitan Water
Board. Samples of the water are subjected to regular routine chemical and bacteriological
examination at the Board' s laboratories and the results of these
examinations are made available to the local authority.
The water supply to the Borough has been satisfactory both in quality and
quantity during I960.
The water supply to the area is a mixture of River Thames-derived and River
Lee-derived filtered water in varying and unpredictable proportions. The water
from these two sources is stored in the Board' s reservoirs and filtered and
chlorinated on the Board's works before being pumped into supply. Samples are
collected at each stage of the purification process, as the water is pumped into
supply, and in the distribution system. A summary of the results of the chemical
and bacteriological analyses of the water passing into supply from these two
sources for the year 1960 is set out on page 16.
The waters are not plumbo-solvent.
Immediate action is taken in respect of any form of contamination revealed
by inspection or analysis. All new and repaired mains are disinfected with chlorine
and the water in them is checked as to its quality afterwards, before the structures
are restored to service.