USGS Open-File Report 00-515
Cretaceous Aquifers and Aquifer Systems
Water levels in Cretaceous aquifers and aquifer systems were monitored in 13 wells in 1999 and data from these wells are available as PDF files, accessible by clicking on the well number in the map below or from Table 3b. The Cretaceous aquifers and aquifer systems include the Providence aquifer in southwestern Georgia and the Dublin, Midville, and the Dublin-Midville aquifer systems in the northeastern part of the Coastal Plain. Water levels in these aquifers and aquifer systems are influenced by variations in precipitation and pumping (Clarke and others, 1983, 1985a). In Chatham County, wells 37Q186 and 38Q201 are open to sediments of low permeability that yield low quantities of water. These sediments are equivalent to Cretaceous aquifers and aquifer systems located in updip areas, northwest of Chatham County.
Providence aquifer
The water level in the Providence aquifer was monitored in one well (12L021) in 1999. The water level in the aquifer is influenced by variations in precipitation and pumping (Clarke and others, 1983).
Dublin aquifer system
The water level in the Dublin aquifer system was monitored in two wells (18U001, 32Y031) in 1999. In the eastern Houston County and western Twiggs County area, water levels in wells tapping the aquifer are affected by precipitation and pumping (Clarke and others, 1985a). The Dublin aquifer system includes the upper and lower Dublin aquifers.
Midville aquifer system
The water level was monitored in five wells in the Midville aquifer system in 1999 (18T001, 21U004, 24V001, 28X001, 32Y030). The water level in the Midville aquifer system is affected mainly by regional pumping (Clarke and others, 1985a). The Midville aquifer system includes the upper and lower Midville aquifers.
Dublin-Midville aquifer system
The water level in the Dublin-Midville aquifer system was monitored in two wells in 1999 (23X027, 30AA04). Water levels in wells tapping the Dublin-Midville aquifer system in Richmond County are influenced mainly by precipitation and by local pumping. The water level in the Dublin-Midville aquifer system, at Sandersville, Washington County, is influenced mainly by local pumping (Gorday, 1985).
Figure 126. Location of observation wells completed in Cretaceous aquifers and aquifer systems.
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Last updated Monday, 26-Jun-2000 15:14:16 EDT
The URL for this page is http://ga.water.usgs.gov/publications/ofr00-151/cretaceous.html