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'No new sources of supply were instituted and there were
no changes to the general scheme of supply in the area.
'The number of samples collected for bacteriological and
chemical analyses of the supply after treatment during 1970
was 8,633.
'On account of their hardness content and alkaline reaction
the Board's river and well water supplies are shown to be not
plumbo-solvent. It should, however, be appreciated that all
types of water pick up varying amounts of metal from the
material of water piping particularly when it is newly installed;
this applies to copper, zinc, iron and also to lead.'
During 1970 samples of water were taken for bacteriological and
chemical examination by the Public Health Inspectors as follows: —
Bacteriological—
Swimming Baths 210
Dwelling houses:—
Well water 16
Other premises:—
Sutton District Water Company 3
229
Unsatisfactory Results—
Swimming Baths 45*
* This apparendy high figure was precipitated by the long, hot
summer resulting in the use of swimming baths to maximum capacity.
Chemical—
Swimming Baths 9
Dwelling houses:—
Well water 2
Other premises:—
Sutton District Water Company 2
13
The Council-owned swimming baths are closely controlled by
the Department concerned, and the co-operation of the Baths Manager
in taking action in respect of unsatisfactory samples is gratefully
acknowledged.
Sewerage and Sewage Disposal
I am advised that the arrangements for sewerage and sewage
disposal are adequate. There are a number of cesspools in the Borough
and arrangements to empty them at intervals are made by the respective
owners.
Registered Common Lodging Houses
There are no registered common lodging houses in the Borough.
District Inspection
The following is a summary of the complaints and requests
received and visits made during the year 1970:—
65