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2 45 h.p. motor electrically driven air compressors.
2 6m. and 1 4in. electrically driven centrifugal
pumps for lifting effluent from the septic
tank to the filters, and
" Pressure gas " producing plant in duplicate
for working the gas engine.
The effluent is discharged at low tides into the
River Thames; the sludge left is placed in sludge
lagoons of which there are five, and allowed to dry. It
is then dug out and carted away for use by farmers and
allotment holders,
The Port of London Authority periodically takes
samples of the effluent from these works for analysis,
but for many years past there has been no complaint
made as to the character of the effluent discharged into
the River Thames.
There are now very few houses left connected to
the old brick sewer which discharges on the foreshore of
the river, and the sewer is mainly used for surface water
drainage.
Houses built on the Marsh in the neighbourhood
of Belvedere Station are provided with cesspools as
no sewer is available for their drainage. These cesspools
have been a source of trouble and nuisance since
they were built, as they cannot be made watertight and
fill up with subsoil water as soon as they are emptied,
and in addition during winter and wet weather the
marsh land is in such a condition as to render it very
difficult and sometimes impossible for the cesspool
emptying vans to reach the places where the cesspool
matter may be deposited. No houses have been built on
the Marshes for some years past, and none should be
built until some scheme for the proper drainage and
sewerage of that area has been inaugurated.
(3) Closet Accommodation.
Nearly every house in the district is provided with
a water closet.