Report on Water Supplies of Illinois.

Report on Water Supplies of Illinois.

According to a report of a survey which has been made of the State water supply by the University of Illinois, it is remarkably pure. The source of supply in the different sections of the State is shown, indicating deep rock wells in the northern part, driven wells in the central part, and in the southern part and in the cities along the Mississippi or lake Michigan from the stream or lake. An analysis of the water is recorded for cities of over i.ooo population. Concerning Joliet’s water supply the bulletin sav«: “Joliet, Will county, is located on the Dcsptaines river. The water supply is obtained from a deep well, driven wells and from Hickory creek. The chemical analysis shows the water to be char of turbidity and free of color and odor. The residue on evaporation amounts to 542.0 and the chlorine in chlorides, 19.0. The oxygen consumed is figured at 5.4 and the amount of ammonia found totaled .040 free and ,1180 albuminoid. The amount of nitrogen as nitrites in the water is .005 and as nitrates 1.20. The alkalinity of the fluid is 261.4.”

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