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Publication Abstract

Ground-water Levels and Pumpage in the East St. Louis Area, Illinois, 1978 - 1980 Collins, Mark A., and Susan S. Richards, 1986  Illinois State Water Survey, Champaign, IL,  ISWS C-165    Full Text Available

Ground-water levels and pumpage in the East St. Louis area from 1978 through 1980 are considered in this report. Large quantities of ground water chiefly for industrial and municipal use are withdrawn from wells penetrating a sand and gravel aquifer along the valley lowlands of the Mississippi River.

Ground-water pumpage decreased from 65.7 million gallons per day (mgd) in 1978 to 58.6 mgd in 1980. Of the total 1980 pumpage 74.4 percent was industrial; 17.6 percent was for public water supplies; 6.5 percent was for domestic use; and 1.5 percent was for irrigation. Pumpage in the East St. Louis area is concentrated in four major pumping centers: the Alton, Wood River, Granite City, and National City areas. Pumpage in the Monsanto area, once considered a major pumping center, has sufficiently decreased so that it is now a minor pumping center.

Ground-water levels in the Alton and Wood River areas generally declined near the Mississippi River and increased inland due to shifts in the distribution of pumpage and low river stage. In the Granite City area, ground-water levels generally rose with decreased pumpage. Conversely, increased pumpage in the National City area caused groundwater levels to decline. Ground-water levels in the Monsanto area continued to recover with reduced pumpage.

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