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28
SECTION C.
Water.
The South Essex Waterworks Company provide throughout
the greater part of the District a constant supply of water which is
satisfactory in quality and adequate in quantity. The water is
derived from the River Stour at Langham, and also from wells in
the chalk, but almost the whole of the water supplied to this District
is obtained from the River Stour.
The river water is treated by sedimentation, filtration and
chlorination, and also storage. Weekly analyses, both chemical and
bacteriological, are made of the Stour water at the following stages :
(a) as river water,
(b) river water after sedimentation,
(c) water pumped to the District after filtration and
chlorination.
In addition, further chemical and bacteriological examinations
are made of the water after primary filtration through the rapid
filters and also after secondary filtration through the sand filters
prior to chlorination.
The following is a report on a sample of drinking water supplied
by the South Essex Waterworks Company and taken from a standpipe
:
"This sample is reasonably clear and bright and of normal
colour. The water is neutral in reaction not unduly hard in
character, contains no excess of saline or mineral matter in solution
and is of a high degree of bacterial purity.
It is, therefore, considered wholesome in character and suitable
for drinking and domestic purposes."
Drainage and Sewerage.
BRANCH SEWERS.
The Surveyor informs me that 32,169 feet of 9 inch and 8,211
feet of 12 inch soil sewers; also 44,443 feet of 9 inch, 5,840 feet of
12 inch, 879 feet of 15inch, 1,101 feet of 18 inch, 2,364 feet of
30 inch, 84 feet of 36 inch, and 2,790 feet of 48 inch surface water
sewers were laid during the year.
There were no extensions or improvements to the Outfall
Works,