Water Monitoring Network in the Chickasawhatchee Swamp, Southwest Georgia
Hicks, David W.
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The Chickasawhatchee Swamp, located in southwest Georgia, is a large wetland complex encompassing more than 30,000 acres. The Upper Floridan aquifer underlies this region and is a major source of water for Spring Creek; one of four inflow streams. Interaction between the creek and aquifer is complex and being studied. Wells have been installed at thirteen sites in the western part of the swamp. Groundwater levels are taken hourly and water quality samples are taken monthly. Two surface-water sites on Spring Creek and two depressional wetlands are also sampled for water quality. Groundwater levels varied between sites suggesting recharge and discharge zones. Surface-water samples taken from Spring Creek had concentrations of calcium, 50 to 60 mg/L, specific conductance, 0.270 to 0.320 mS/cm, and magnesium, 1.1 to 1.4 mg/L. These concentration ranges were the same as water samples taken from groundwater wells located along Spring Creek. As more data are collected, the swamp’s hydroperiod and surface water/groundwater interactions will be further understood.