Selected Data on Public Supplies of the 100 Largest Cities in the United States, 1962

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Abstract
The U.S. Geological Survey (USGS) has been recording the changes that have occurred in municipal water utility practices for the last four decades. The scope of the latest study was limited to the 100 largest cities in the United States, as determined by the 1960 census, in order that comprehensive spectrographic and radiochemical analyses could be included. This article presents a summary of the study, including the following information for each of the 100 cities: suburban towns supplied by the city system; population of the city; total population served; sources of supply; auxiliary and emergency sources of supply; if available, the lowest 30‐day mean discharge of streams used for public water supply; treatment; rated capacity of each treatment plant; and, raw‐water and finished water storage capacity. Diagrams have been prepared for 58 cities showing the sources, treatment plants, and areas served by the municipal system. This article provides a list of the 100 largest cities in the U.S., according to the 1960 census, showing population served, sources of public water supply, treatment, and type of raw‐ and treated‐water analyses reported.