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made that the effluent from them is very good and shows signs of
continuous improvement.
The effect of these two filters and the treatment over the
newly-purchased land of the sewage has had considerable effect
upon improving the effluent, and I am glad to say your Council
is now turning out one that well complies with all the conditions
laid down by the Rivers Pollution Act and Thames Conservancy.
I have made numerous analyses during the year, and have never
known the albumenoid ammonia to exceed .14 parts per 100,000,
the oxygen consumed in two hours amounting to about .56 grains
per gallon. Owing to the large amount of washing done in the
district the effluent often appears turbid, owing to the soap used,
and which often gives a detrimental effect to outsiders.
Owing to the large increase in population in the West Hendon
district, the Low Level pumping station has had a very large
increase of work to perform, and this will be additionally increased
when the New Cleveland Street Asylum and Hyde
sewerage is completed.
DUSTING.
The proper collection and disposal of the dust in the district
is an important point in connection with the general health. This
is still being performed by contract, and the Sanitary Inspector
has spent considerable time in seeing it carried out, but the
district extends over so large an area that this takes some time to
cover. My Council have under consideration the plan I have
recommended for some time, namely, that of doing the work
themselves. The refuse could, I think, be taken to the works,
which are situated so far from any house that no inconvenience
would accrue; in fact it may, I feel sure, be worked into the land
with advantage.