Leadership

RECORD OF FILTRATION IN PITTSBURGH.

Issue 14 and Volume 59.

RECORD OF FILTRATION IN PITTSBURGH. Following exhaustive tests conducted by the Pittsburgh, Pa., Bureau of Water since the installation of the filtration system, it is conclusively shown that the typhoid fever rate has declined at a remarkable rate, and it is quoted as the opinion of Superintendent Charles Finley that Pittsburgh’s water supply in purity now equals that served in any city of its size. In 1906, the Pittsburgh death rate from typhoid was 109.7 to the 100,000 population. In 1915 it had been decreased to 6.4 per 100,000. Non-inhabitants, or those who contract the disease outside the city, are not included in these figures, but the low rate does include those in the city who contracted typhoid from other sources than the city water supply. The water bureau has traced almost every death from the disease to local contamination. For instance, last year the source of 15 cases in…

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