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36
SECTION III.—SANITARY CIRCUMSTANCES OF THE
AREA.
1. Water Supply.—Vide Annual Report, 1925.
Two samples of the piped water supply (one from each Companysupplying
the district) were sent for examination, and each sample
gave a satisfactory bacteriological and chemical analysis.
A short description of the South Essex Waterworks Company's
scheme was included in my Annual Report for 1930. In continuation
of that report, I have now received a communication from Mr. B. W.
Bryan, the Engineer to the South Essex Waterworks Company, to
the effect that the Stour water will come into supply on the 8th
April, 1932.
2. Rivers and Streams.—Vide Annual Report, 1925.
(а) Seven Kings Stream.
Difficulty is still created by this stream becoming polluted by the
discharge from the effluent of the Corporation's Sewage Works at Hainault.
During the year it was found necessary to submit six samples for chemical
and bacteriological analysis, only two of which gave a satisfactory result.
The beet washing effluent has been diverted from the Hainault Sewage Works
and is now irrigated over the crops on the land. The matter is still under
the observation of this Department and the Borough Surveyor, and further
action is being taken, in order to ascertain whether an improvement can be
made.
(b) Outfall Sewer from Ilford Sewage Works to River Roding.
As reported last year, a certain amount of difficulty is still created by
the entry of acid into the effluent pipe from the Corporation's Sewage Works
before its discharge into the River Roding. The pipe has been inspected
in Ilford Lane and no acid has been found in the pipe at that point. Careful
investigation has been carried out at Chemical Works adjacent. The matter
is under the observation of the Corporation and the Port of London Authority.
3. Drainage and Sewerage.—The Borough Surveyor states
that no large alterations or extensions have been carried out at either
the Ilford or Hainault Sewage Works in view of the Ilford and
Barking Joint Sewage Scheme, as it is anticipated if the present
rate of progress of the latter scheme is maintained, that these works
although at times severely taxed, will tide the Council over the
transitional period. Considerable progress has been made with the
joint scheme during the past year, and the whole of the Ilford
section completed, and the flume chamber constructed, although the
apparatus has not yet been installed. The joint sewer is almost
complete as far as the Pumping Station, and the contracts for the