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30
Hornchurch.
Here there are three systems of sewers—North-West Hornchurch,
the Village, and Harold Wood.
From Harold Wood the sewers flow by gravitation into a septic
tank, and from thence through clinker filters on to the land, and the
effluent discharged into the Ingrebourne, near Upminster.
The sewers from the Village and North-West Hornchurch gravitate
to the outfall works at Primrose Wood, the former sewer at a high level
and the latter at a low level.
Upminster.
The sewers from the Village gravitate to the outfall on the banks of
the Ingrebourne, and the sewage is treated by passing through septic
tanks and over clinker filters. The sewers from the low level areas, one
at Cranham Lane and the other at Corbets Tey, fall into tanks, and are
pumped from thence into gravitation sewers. As mentioned before, the
Council are now considering the enlargement of this system of sewerage,
owing to the great extension of building (not working class dwellings)
which has taken place recently in Upminster.
Great Warley.
The system here is the same as at Upminster, except that no pumping
is required. The effluent discharges into a small stream.
Rainham.
All the sewers gravitate to a tank, and the sewage is pumped
through sedimentation tanks on to clinker filters and is treated with a
precipitate as it passes into the tanks.
The filtered sewage flows on the land beds and from thence to the
Thames.
7.—Excrement disposal; system in vogue; defects, if any.
In all but the outlying or sparsely inhabited parts of the district
excrement disposal is by the sewers, the w.c. connected with the drains
having means of flushing, except in old houses. Cesspools receive the
sewage from houses where there is no system of sewerage, and are
periodically emptied by the Council's "Motor Cesspool Engine." In
the smaller houses in localities where there are no sewers pail-closets are
provided, these being emptied by the Council contractors weekly, each
pail after being emptied being sprinkled with carbolic powder.