Ground-Water Levels in Georgia, 2001
Leeth, David C.
Clarke, John S.
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The U.S. Geological Survey continuously monitors ground-water levels in a network of wells completed in major aquifers of the State of Georgia. This network includes 17 wells in the surficial aquifer, 12 wells in the upper and lower Brunswick aquifers, 73 wells in the Upper Floridan aquifer, 10 wells in the Lower Floridan aquifer and underlying units, 12 wells in the Claiborne aquifer, 1 well in the Gordon aquifer, 11 wells in the Clayton aquifer, 11 wells in the Cretaceous aquifer system, 2 wells in Paleozoic-rock aquifers, and 7 wells in crystalline-rock aquifers. Data from these 156 wells were evaluated to determine whether mean-annual ground-water levels were within, below, or above the normal range during 2001, based on summary statistics for the period of record. Information from these summaries indicates that statewide water levels during 2001 were nearly evenly divided between below normal and normal to above normal. Finally, below normal water levels were observed in nearly all of the aquifers monitored, largely reflecting climatic effects from drought and pumping.