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80
All new and repaired mains are chlorinated before being restored
to use and samples of water from them are tested to confirm that the
quality of the water is up to that normally supplied.
The length of main laid by the Metropolitan Water Board in llford
during 1958 was 449 yards of 4 inch."
The water provided to the remainder of the Ilford district by the
South Essex Waterworks Co. is obtained from the River Stour and from
deep wells at Mill Road, Grove Road and Roding Lane.
Mr. Hugh G. Ramsey, Engineer to South Essex Waterworks Co., has
kindly supplied me with the following information.
"Over 4,048 chemical bacteriological and biological examinations were
made at the Langham Laboratory and all water going into supply was
reported as wholesome. In addition, examinations were made for radioactivity.
Samples were taken weekly from wells and houses in various
parts of the area and were invariably satisfactory.
Mains were extended by the Company as follows:—1,423 yards of
18-inch; 6 yards of 12-inch; 4 yards of 6-inch; 662 yards of 4-inch; and
767 yards of 3-inch.
A supplementary supply of water was obtained from the Metropolitan
Water Board during the month of July, the total quantity supplied
being 3 million gallons."
There are now no public wells in existence. There are a few private
wells for domestic and commercial purposes.
Seven samples of piped water supply (5 South Essex Waterworks Co..
and 2 Metropolitan Water Board) were taken by the Department and submitted
for Chemical and Bacteriological examination, and all gave satisfactory
analyses.
(ii) Swimming Baths and Pools.—Six samples of water for examination
were taken from the open-air swimming bath from April to September.
The samples were satisfactory. Fifteen samples were also taken from the
two indoor baths during January, March, April, May, June, July, August,
September and November : all the samples were satisfactory.
(iii) Drainage and Sewerage.—The Borough Engineer has kindly
supplied me with the following:—
Progress of Main Drainage Scheme.
Progress still continues in the alleviation of flooding in many areas.
The official opening of the Roding Valley Pumping Station by the
Rt. Hon. Henry Brooke. P.C., M.P.. Minister of Housing and Local Government,
on April 18th. 1958, marked the completion of the first phase of the
Drainage Scheme which commenced in 1953.
Works completed during the year include the Roding Valley Soil
Sewer (£138.000), Water Lane Relief Sewer (£19.000) and also works on the
Vicarage Lane Soil and Surface Water Scheme (£300,000) with the exception
of a short length under the permanent track of the British Transport
Commission and the construction of the Balancing Lake at Fairlop.
Rivers and Streams.
Flooding.—A number of cases of flooding due to surcharge of
sewers and watercourses in times of heavy rain were reported.
Pollution of Streams.—There was no pollution of consequence reported
during the year.