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These results are very satisfactory and the figures are within the limits of the World
Health Organisation European Standards for Drinking Water Quality.
RAINFALL AND SEWERAGE
Contributed by D.M.P.Sullivan, C.Eng., M.I.C.E., F.l.Mun.E., Borough Engineer and Surveyor
Rainfall
The rainfall recorded at Auckland Road Depot was 31.08 inches, which is the highes
annual amount for 10 years with the unusually high monthly amount of 6 inches during
September.
Two heavy rainstorms on the 10th July and 14th July caused considerable flooding
throughout the Borough and limited flooding also occurred on the 31st July, 23rd September
and 17th December. The high annual rainfall in 1968 which has continued during the first
three months of 1969 has resulted in an abnormally high sub-soil water level, with many
areas of open land becoming waterlogged.
Sewerage
During 1968 work was commenced on the reconstruction of the Foul Sewer and the
provision of a relief surface water sewer in Drysdale Avenue, E.4. also four small relief or
reconstruction schemes were completed.
Approval in principle was received from the Ministry of Housing and Local Government
to proceed with the Walthamstow Southern Area Relief Surface Water Sewer (Southern Branch
and the Forest View/Forest Side Relief Foul and Surface Water Sewers and work proceeded
on preparation of the contract documents for these schemes.
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