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53
During certain alterations at 2A, Junction Road the Public Health Inspector was
called in. Upon inspection, a well was found situated behind a temporary kiosk It measured
some 8 ft. in diameter and was about 25 ft. deep. The well was perfectly finished and to
all appearance was rendered from the top to the bottom. There was an iron ladder extending
from the top to well below the surface of the water. A sample of the water was reported to
be satisfactory. The well has been properly sealed off, and it is proposed to construct a
new floor over the same.
(c) water Supplies - Miscellaneous.
Eight samples of sub-soil water were taken
(d) Swimming Bath later.
The following samples were taken during the year -
Chemical
Bacteriological
Satisfactory
Chemical
Bacteriological
Unsatisfactory
Chemical
Bacteriological
- 133 - 133 - -
By courtesy of the Chief Superintendent & Engineer of Baths and Washhouses the following
information is included in this year's Report -
There are ten swimming baths under the control of the Council one of which is out of
commission at present.
The Metropolitan Water Board supply the water for these baths
The method of treatment for purification is by chemical dosage alumina ferric is the
coagulant used to fulfil the function of forming a film on sand soda ash is the alkaline
salt to counteract acidity A pH value of between 7 4 and 7 6 has proved most satisfactory
to the swimmers using these baths.
Aeration is maintained by means of an air compressor
Sterilization: Chlorine gas is used, a residual of 0 5 to 0 75 p.p.m. being strictly
adhered to. In the summer months when heavy loads are to be expected it is kept at 05 p.p.m.
The frequency of changing the baths water is governed by the flow through the filters
which, in the case of these establishments is approximately once every four hours In the
summer months when the baths are open for 12 to 14 hours daily a complete turnover of three
times per day is necessary.
During the last twelve months the bacteriological examination reports have been exceptionally
good for all establishments, showing the water to be practically sterile
Samples of the water at Highbury Fields Open Air Swimming Pool which is controlled by
the London County Council, were also taken regularly during the summer season for bacteriological
examination All reports were satisfactory and are included in the figure given at the head of
this section The water in the paddling pool at Highbury Fields however received attention
during the year Four samples were taken for bacteriological examination and information of
results was forwarded in all cases to the County Council Every endeavour is being made to
maintain the water at a satisfactory bacteriological standard