Leadership

NOTES ON FILTRATION

Issue 12 and Volume 42.

NOTES ON FILTRATION So far, about $50,000 has been spent in filtration experiments at Jerome Park reservoir, so that New York may have the best system installed. It is said that success has crowned the efforts of the experimentalists—Chief Engineer de Varona, and Darlington, health commissioner, and D. Fuller, consulting engineer—and that the kind of filter to be employed has practically been decided upon. It is estimated that the whole cost will be about $12,01×1,000, and that it will take about $800,000 a year to look after it. ’Fluboard of water supply wants a preliminary appropriation of $4,ocxi,(XX) as a beginning. There are several experimental patented filtration plants in use at Jerome Park reservoir, and to these the report of Chief Engineer De Varona will give some attention. One would cleanse tinwater with ozone; another would run the supply through charcoal; and at Brewsters is what is called tlie electrozone…

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