Ground-water Data for Michigan - 1978
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The purpose of this report is to make available the 1978 records of water levels and related data for the principal aquifers of the State. This report is written for municipalities, industries, institutions, consultants, drillers, hydrologists, and other people interested in the ground-water resources of the State.
Data on the 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 natural changes in water levels. Also included are data on municipal water-supply sources. Tables 1, 2, and 3 contain records of water levels in observation wells, records of pumpage by most major ground-water users in the State, and water quality data from selected wells sampled during 1978. Figure 1 shows distribution of observation wells in the State.