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87
South West and South Essex," dated 20th January,
1934, he pointed out that " to decide upon the best
means of dealing with the drainage of this, the lower
Roding valley, is a very difficult matter and one
requiring close examination." He suggested two
alternatives, namely, a trunk sewer down the valley
to the London Northern Outfall Works, or an outfall
sewer from Woodford to a new disposal works on the
Rainham Marshes on the North Bank of the Thames.
Subsequently the Middlesex County Council
approached the Hertfordshire and Essex County
Councils regarding the preparation of a joint scheme
of sewerage and sewage disposal for the Lea Valley.
At the request of the Essex County Council this
enquiry was extended to include the Roding Valley.
The scheme for the Lea Valley has been proceeded
with. On financial grounds the Roding Valley
portion was dropped, and the Essex County Council
intimated to the Local Sanitary Authorities in the
lower part of the valley that they would not oppose
proposals for extensions and improvements to
existing sewage works.
(5) Conclusions.—In dry weather the flow in the
River Roding consists mostly of effluents from Sewage
Works. This is corroborated by the Impurity Figures
given on page 1 of this Report. Samples of effluents
from all sewage works in this valley are taken regularly.
Works in Epping Urban and Ongar Rural Districts
have been modernised with satisfactory results. New
works are to be provided at Theydon Bois (Epping
Rural) and Chigwell Urban. In the latter district
two works in place of seven will eventually treat all
the sewage. Wanstead and Woodford Borough
Council is carrying out improvements at the Woodford
Works and has under consideration a scheme for
improving the Wanstead Works.