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20
In the case of the 70 wells that supply Industrial premises, in
only two cases is the water used for drinking purposes, and in both
these cases the water is regularly examined and is subject to
chlorination. In one other case there is no drinking supply ; the
necessary steps are being taken to remedy this state of affairs.
In the case of the wells which were not used for drinking purposes
the owners were requested to exhibit a Notice stating that
the water was not to be used for drinking purposes, and complied
therewith in all cases.
Well water used for drinking and domestic purposes is analysed
twice a year.
STREAMS AND WATER COURSES.
Turkey Street Brook and other streams in the District are
under the control of the Lee Catchment Board, and observation
is also kept on them by your Sanitary Staff. No sources of contamination
were detected.
DRAINAGE AND SEWERAGE.
The populous parts of the District are all provided with sewers
with outfall to Cuckoo Hall Farm, where sewage is dealt with by
septic tanks, filters, and partly by irrigation.
Four men are employed daily, who devote their whole time
to the work of examining and flushing the sewers; any defect
or obstruction is dealt with immediately.
Towards the end of the year there was evidence that some of
the sewers in Enfield were surcharged in wet weather. Investigation
showed that this was partly due to the large increase in the
number of houses in Enfield, and the consequent growth of population,
and partly to periods of excessive rainfall.
This matter has received the very careful consideration of the
Council. It would appear that the difficulty will be dealt with adequately
when the East Middlesex Sewerage scheme is in operation,
and the Council have asked the Middlesex County Council to
accelerate the construction of the Trunk sewer between Cheshunt
and Edmonton.
CESSPOOLS.
During 1938 the cesspools of the District were emptied by a
combined cesspool and gulley emptier.
During the course of the year, of the 2,270 houses the construction
of which was completed, 24 were drained by means of
cesspools.