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107
The quality control from the laboratories is carried out by means of
daily sampling from sources of supply, from the treatment works or well
stations, from the distribution system and through to the consumer.
Any sign of contamination or other abnormality is immediately investigated.
No houses were permanently supplied by standpipe, during 1969.
The South Essex Waterworks Company on the other hand derives its
supply mainly from the River Stour and from deep wells at Mill Road,
Grove Road and Roding Lane, The General Manager and Chief Engineer
of the South Essex Waterworks Company states that during 1969 over
10,000 chemical and bacteriological examinations of raw water, water
during treatment and water going into supply were made at the Company's
Laboratory and all water going into supply was reportea as wholesome.
The fluoride content of the river derived supplies was assessed at
0.25 p.p.m.

No supplementary supplies of water were obtained by the Company from
the Metropolitan Water Board.
The Council has approved in principle the addition of fluoride to
public water supplies.
The Borough is not supplied with water from any public wells nor
are there any private supplies providing domestic water to the general
public. The Public Health Inspectors took 5 samples of water during the
year, 3 being from the South Essex Waterworks Company supply area
and 2 from that of the Metropolitan Water Board district and both the
chemical and bacteriological examinations gave satisfactory results.
Main
Coinage
and
Sewerage
Schemes:
Progress continues on the relief of flooding in the borough and the
following schemes are envisaged to commence during 1970 at an estimated
cost as shown:-