Potentiometric surface of the upper Floridan Aquifer in central Sumter County, Florida, September 1985

The map presents the potentiometric surface of the Upper Floridan aquifer in central Sumter County, Florida, for September 1985. The Upper Floridan aquifer is the principal source of potable water in the area. The focus of the map is the potentiometric surface in the Jumper Creek Canal area. Water level measurements were made on approximately 60 wells. The potentiometric surface ranged in altitude from more than 90 feet in the southeastern part of the county to less than 40 feet northwest of Lake Panasoffkee in the west-central area. (USGS)