Experiences in Emptying and Filling Large Reservoir

Issue 20 and Volume 75.

Experiences in Emptying and Filling Large Reservoir How This Was Accomplished in One of the Largest Units in the World—Some of the Methods of the New York Water Department WHILE the following article is descriptive of conditions in the New York City Catskill system, yet Mr. Brush in transmitting it remarks that he believes many will be interested in it as it might readily be applied to any other water supply system: The severe drought during the summer of 1923, coupled with a previous daily draft of about the normal average flow of the tributary streams, resulted in practically emptying the Ashokan reservoir in the fall of 1923. As it is unusual in this section of the country to empty a very large storage reservoir, the facts observed are of more than local value. Conditions Under Which Reservoir Was Emptied The Catskill system is at present the most economical source…

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