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three using sodium fluoroacetate and the fourth using Warfarin. The
last treatment should then enable a much more accurate assessment of
the effectiveness of the treatment to be made. From other available
evidence such as the escape of rats from the soil sewers through broken
drains, it appears that the sodium fluoroacetate treatment has been
extremely effective.
Details of the first sewer maintenance treatment are given in the
following table:—
Soil Surface Water
Sewer Sewer
Manholes baited 1213 40
Manholes showing complete prebait take 517 13
Manholes showing partial prebait take 141 1
Bait and poison used Soaked bread and arsenic
LEGAL PROCEEDINGS UNDER SECTION 94 OF THE
PUBLIC HEALTH ACT, 1936
On 2nd April a Court Order was obtained requiring the Council to
remedy a defective back addition roof at 24 Ennis Road, the name and
address of the owner not being known. Subsequently a firm of house
agents acknowledged their liability for the property and the work was
completed by them on 4th June.
WATER SUPPLY
I am indebted to Dr. E. Windle Taylor, Director of Water Examination
of the Metropolitan Water Board, for the following information.
The supply for Hornsey area has been satisfactory both in quantity
and quality during the year. The supply came from two main sources:—
(a) River Thames derived water stored in Queen Mary reservoir and
treated at the Board's filtration works at Ashford Common.
(b) Water from the New River derived from the River Lea and from
wells and treated at the Board's filtration works at Stoke
Newington.
Samples are collected on five days of every week, or more often if
required, at each stage of the purification process as well as samples
from the distribution system, and tests include physical, chemical and
micro-biological examinations.
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