Sustainability of ground-water resources
October 1, 1999
The pumpage of fresh ground water in the United States in 1995 was estimated to be approximately 77 billion gallons per day (Solley and others, 1998), which is about 8 percent of the estimated 1 trillion gallons per day of natural recharge to the Nation's ground-water systems (Nace, 1960). From an overall national perspective, the ground-water resource appears ample. Locally, however, the availability of ground water varies widely. Moreover, only a part of the ground water stored in the subsurface can be recovered by wells in an economic manner and without adverse consequences.
Citation Information
Publication Year | 1999 |
---|---|
Title | Sustainability of ground-water resources |
DOI | 10.3133/cir1186 |
Authors | William M. Alley, Thomas E. Reilly, O. Lehn Franke |
Publication Type | Report |
Publication Subtype | USGS Numbered Series |
Series Title | Circular |
Series Number | 1186 |
Index ID | cir1186 |
Record Source | USGS Publications Warehouse |
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