groundwater recharge areas - planning portalgroundwater recharge areas data source: georgia geologic...
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Groundwater Recharge Areas
Data Source: Georgia Geologic SurveyThis database identifies approximately 13,000 square miles (23 percent) of Georgia'sland surface through which the most significant natural ground-water recharge occurs, asdescribed in Georgia Geologic Survey Hydologic Atlas 18: "Most SignificantGround-Water Recharge Areas of Georgia," published in 1989.This database was intended to delimit those recharge areas where the State of Georgia should direct ground-waterprotection efforts. Potential users of this database are advised of the following specific cautions:1.) Mapping at the 1:500,000 scale means that only the larger recharge areas could be included. Important smaller rechargeareas cannot be shown at this scale;2.) Since about nine-tenths of the land surface of Georgia is a recharge area, the limit of 23 percent on the most significant echarge areas is arbitrary. Areas not mapped may be locally or regionally significant.3.) Areas mapped as recharge areas may include small areas of impermeable soils that limit recharge.The data source for the GIS database was the publication mylars (black separate linework) from Hydrologic Atlas 18.http://epd.georgia.gov/epd-test-document
AQUIFERClaiborne aquifer systemClayton aquifer systemCretaceous-Tertiary aquifer systemFloridan/Jacksonian aquifer systemMiocene/Pliocene-Recent unconfined aquifersUnconfined aquifersProbable areas of thick soilsMajorRiversLakes