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13
THE REPORT OF THE CHIEF PUBLIC HEALTH INSPECTOR
Mr. W. L. LEACH, IS CONTAINED IN THE FOLLOWING
SECTIONS 'C', 'D' and 'E'.
SECTION 'C' — SANITARY CIRCUMSTANCES OF THE
AREA
WATER SUPPLY.
There has been no change in the method of collection, purification
and storage of the domestic water supply for the district. Daily
samples are taken by officers of the Metropolitan Water Board at each
stage, and the average result of the bacteriological examinations of
1,101 samples is given in Table 12.
A uniformly high standard of purity and quality was maintained.
The only complaints are in respect of drinking water supplied from
storage cisterns. It should be obligatory for all water used for drinking
purposes to be taken direct from the mains, as the storage cisterns
are virtually the only remaining sources of potential contamination.
The Board's waters are not plumbo-solvent and are derived from
the non-tidal portion of the River Thames, stored in the Metropolitan
Water Board reservoirs at Staines, Littleton and Walton, and filtered
and chlorinated at the Hampton Works.
We are indebted to Dr. Windle Taylor, Director of Water
Examination to the Board, for the information in Table 12.
SEWERAGE AND SEWAGE DISPOSAL
No complaints of smells were received from the Sewage Works.
There were no long spells of hot, dry weather to make conditions
difficult. In spite of modern methods of control there were one or
two complaints of small flies in the vicinity of the Works. In the
light of present knowledge this kind of infestation is particularly
difficult to deal with.
The main sewers in the Borough are now receiving more systematic
inspection and cleansing, especially where flat lengths have tended
to become silted up over the years. The purchase of special apparatus
for this purpose has proved well worth while. Substantial works of
improvement and repair of certain lengths of main sewer are being
undertaken.
VERMINOUS PREMISES ETC.
Rodent Control.
With a full staff of rodent operators it was possible to make more
survey visits. As a result there was a corresponding increase in the