FLORIDA GEOLOGICAL SURVEY Floridan aquifer system Potentiometric Surface September, 2005 0 5 10 20 30 40 -Miles 0 5 10 20 30 40 Kilometers Scale 1:1,750,000 Contour Interval: 10 ft Projection: Custom FDEP Albers Explanation - _- Major Rivers - -- Potentiometric Line (Feet) 7 ' - Water Management Districts rI Study Area Figure 30. Potentiometric surface of the Floridan aquifer system, September, 2005 (from Ortiz, 2006); A Withlacoochee River, B Hillsborough River and C Alafia River. See Figure 1 for additional river labels. Gulf of Mexico