Leadership

FILTRATION AT PHILADELPHIA

Issue 25 and Volume 33.

FILTRATION AT PHILADELPHIA Description of the Torresdale Filters, Torresdale Conduit and Lardner’s Point Pumping Station. The system of filters now under constructior at Torrrsdale, Philadelphia, will yield 210,000,000 gallons of water per day of twenty-four hours. With the addition of ten filters of the same size (known in the plans for the work as the Queen Lane contingent), this station will have an early working capacity of 248,000,000 gallons of filtered water per day. This is more than the total supply of water from all sources to the city of London, more than twice the daily consumption of water by the city of Paris, four times the consumption of Berlin, about five times the daily consumption of water by Vienna, and about five-sixths the present daily consumption by New York city proper (the boroughs of Manhattan and the Bronx). The work now unnder contract consists of fifty-five filters, each threequarters…

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