Ground-water Data for Michigan - 1982
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Water levels, locations, depths, and aquifers tapped are given for 117 observation wells. Tabulated data include extremes of water levels for 1982 and for the period of record, pumpage of most major ground-water users in the State, and quality data on selected wells. The largest reported user of ground-water, the city of Lansing, pumped 8.2 billion gallons from the Saginaw Formation and glacial deposits.
Data on yield of wells, pumpage, quality of water, and trends of ground-water levels for the past 5 years are shown in the text. Many hydrographs are included to illustrate changes in water levels. Records of water levels in observation wells, records of pumpage by most major ground-water users, and waterquality data from selected wells sampled during 1982 are given in tables 1, 2, and 3. Distribution of observation wells is shown in figure 1. Locations of wells selected for collection of water-quality samples and years sampled are shown in figure 2.