THE WATER SUPPLIES OF ILLINOIS.
IN the latter part of September, 1895, the State of Illinois began a survey of its waters for the purpose of systematically determining the present sanitary condition of the water supplies drawn from lakes, streams, and wells, the
normal condition of the incontaminated water, the formulation of local standards of purity based upon the results of analyses of water derived from unpolluted sources, the provision of such means as shall afford to citizens of the State opportunity to obtain immediate information regarding the wholesomeness of the potable waters in which they are directly interested and the prevention of the development and dissemination of disease from the use of impure water.
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