Ground-water Data for Michigan - 1988
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Water levels, locations, depths, and aquifers tapped are given for 112 observation wells. Tabulated data include a listing of ground water reports in Michigan, extremes of water levels for calendar year 1988 and for the period of record, pumpage of most major ground-water users in the State, and water-quality data from selected wells. The two largest municipal users of ground water, were the cities of Lansing and Kalamazoo. In 1988, Lansing pumped 7.8 billion gallons from the Saginaw Formation and glacial deposits and Kalamazoo pumped 7.4 billion gallons from glacial deposits only.
This report provides records of water levels and related data collected during 1988 for the principal aquifers of Michigan. Data on yield of wells, pumpage, quality of water, and hydrographs of ground-water levels for the past 5 years are shown in the text. Yearly hydrographs are included to illustrate seasonal changes in water levels. Records of water levels in observation wells, records of pumpage by most major ground-water users, and water-quality data from selected wells sampled during 1988 are given in tables 2, 3, and 4. Distribution of observation wells is shown in figure 1. Location of wells sampled for water-quality data and years sampled are shown in figure 2.