The Oligocene aquifer system in Mississippi
Water-Resources Investigations Report
79-28
By: L. A. Gandl
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Abstract
The Oligocene aquifer system in Mississippi consists of limestone and marl members of the Vicksburg Group, and the underlying Forest Hill Sand. The aquifer system crops out in a band 5 to 10 miles wide, that trends southeast across the State from the Warren-Yazoo County line to northeastern Wayne County. In the northwest part of the area, the formations dip to the southwest at 12 feet per mile. At the southeastern end of the outcrop, the dip is 42 feet per mile. The average dip for the entire area is 30 feet per mile. The aquifers are of primary importance for domestic and farm use. Total withdrawal in 1977 was about 1.4 million gallons per day. Since 1963 water levels have declined an average of between 0.05 and 2 feet per year. Water quality is generally good although in some places there are objectionably high concentrations of iron and color. (Woodard-USGS)
Suggested Citation
Gandl, L.A., 1979, The Oligocene aquifer system in Mississippi: U.S. Geological Survey Water-Resources Investigations Report 79-28, 2 Plates: 32.25 x 41.03 inches and 41.88 x 32.04 inches, https://doi.org/10.3133/wri7928.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | The Oligocene aquifer system in Mississippi |
| Series title | Water-Resources Investigations Report |
| Series number | 79-28 |
| DOI | 10.3133/wri7928 |
| Year Published | 1979 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Description | 2 Plates: 32.25 x 41.03 inches and 41.88 x 32.04 inches |
| Country | United States |
| State | Mississippi |
| Other Geospatial | Oligocene aquifer system |