This forms gentle rolling hills and shallow depressions. Large voids do not commonly occur due to soil subsidence as limestone is dissolving. Northeast Jackson County has been designated a high recharge area for the Floridan aquifer. Karst recharge features, highly permeable soils, abundant rainfall, and closeness of the aquifer to the soil surface are contributing factors to the high recharge of the area. The region receives more than 56 inches of rainfall annually.
Surface runoff drains into the sinkholes, eventually reaching the aquifer.
The Ocala limestone is one of the most effective water storage and underground transport zones in the state. Contamination reaching the groundwater supply in Jackson County can enter the Floridan aquifer supply and affect the water quality in other areas of the state. Agriculture Agriculture is the primary industry and a major landuse in Jackson County with 112,000 acres of the 313,000 acre project area used as cropland. This is due to the sandy soils, favorable climate, and plentiful water supply. Peanuts is an intensely managed tuber crop susceptible to nematodes that require pesticides and fertilizers on a regular basis.