South Atlantic Water Science Center - Georgia
2005 WATER USE
USGS IN YOUR STATE
USGS Water Science Centers are located in each state.
Public-Supply Water Use in Georgia, 2005
Public-supply water use is water that is withdrawn by public and private water suppliers and delivered for a variety of uses, including domestic, commercial, industrial, and other uses. Small communities and subdivisions are considered to be public-supply systems if at least 25 people are served or if there are a minimum of 15 hookups or water connections (Hutson and others, 2004).
Data for public-supply water use generally were provided by the GaEPD, Watershed Protection Branch. Additional information was obtained from city managers and operators. In previous years, the GWUP conducted a survey of the largest public water-supply users in the State for this report. In 2005, however, the survey was expanded to include all permitted public-supply water users in the State. Data were obtained on the population served; the number of connections for each system; and the percentage of water delivered to wholesale, residential, commercial, and industrial customers.
Estimated public-supply withdrawal during 2005 was about 1,180 million gallons per day (Mgal/d), of which surface water accounted for about 78 percent (926 Mgal/d), and ground water accounted for about 22 percent (254 Mgal/d). The largest public suppliers are located in counties in the Metropolitan Atlanta area in northern Georgia, where population is greatest. In this area surface water is the principal water source. Several counties in the area reported a decline in withdrawals in 2005, collectively totaling more than 20 Mgal/d. The decrease in 2005 has been attributed to conservation measures at public-supply systems, better reporting by public-supply systems as more systems are metered, and a decrease in outdoor water use (2000 was a drought year and outdoor use, primarily lawn watering, was above normal as compared to 2005 when precipitation was normal, and outdoor uses were lower).
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