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A map of the September 1993 potentiometric surface of the Upper Floridan aquifer in west-central Florida depicts ground-water levels for the annual high water-level period. Water levels measured in September 1993 were generally lower than those reported for September 1992. In 572 wells with paired measurements, the September 1993 level ranged from 9.60 feet below to 4.73 feet above the September 1992 level and averaged 0.41 foot below the September 1992 level. The general decline in water levels during this period was largely the result of below normal rainfall that resulted in above average seasonal ground-water withdrawals from the aquifer.
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USGS Numbered Series
Potentiometric surface of the upper Floridan Aquifer, west-central Florida, September 1993