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IS
ing experiments with any of the filters, to convey the clarified
effluent from the remainder to a shallow pond, when it would mix
with the remaining effluent from the settlement tanks, which by so
doing would be purified before passing over a weir into the river.
(II.)—Absence of nuisance arising from the process at the
Works.—
From the limited space required, the sprinkler filter system not
only is cheaper for present needs, but opens up a possibility for a
complete change in the system of sewage treatment which, with the
adoption of contact bed filters, would be almost an impossibility, as
the area required for double filtration through contact beds of a
septic tank effluent would be at least five acres.
Without calculating on increased population it must be remembered
that the water supply per head of the population is increasing
greatly, as the dirtier people, it is satisfactory to know,
are using soap and water more and more every day.
Bacterial purification being worked automatically, it follows
that, beyond the initial cost of the alterations in the work, the only
charge upon the rates for sewage treatment would be the cost of
pumping. With such a system of sewage treatment, if well
thought out and planned, an effluent as good as many drinking
waters would be turned into the Thames, whilst it would be almost
impossible that any nuisance could arise that would give even a
suspicion of offence to anyone.
DAIRIES AND MILK SUPPLIES.
The Cowsheds and Dairies in the Borough are frequently
visited. One cowkeeper has been enterprising enough to have all
his cows tested with Tuberculin. As a result several animals
were found to be tuberculous and were disposed of.
That several cows in a dairy in a town with a large population
of children, like Kingston, should be proved to be tuberculous is a
very serious matter, as it is known that milk from tuberculous cows