Public-supplied population, water withdrawals, and per capita in Florida, 1950-2010
 [Compiled by the U.S. Geological Survey (USGS), Florida Water Science Center (http://fl.water.usgs.gov);  ----, no or partial data were available; N/A, totals not available]
Per Capita
  Population (in millions)  Water withdrawals Treated Non- Inter-County Raw Domestic/Residential
State Served by (in million gallons per day)  potable water (in gallons (in gallons
Year Total Public supply PS % Total Ground Surface GW % water transfers per day) per day)
1950 2.770 1.660 59.9 170.0 140.0 30.0 82.4 N/A N/A 102 -----
1955 3.860 2.300 59.6 319.0 240.0 79.0 75.2 N/A N/A 139 -----
                       
1960 4.950 3.370 68.1 523.0 500.0 23.0 95.6 N/A N/A 155 -----
1965 5.870 4.810 81.9 706.4 638.1 68.3 90.3 N/A N/A 147 -----
                       
1970 6.790 5.420 79.8 883.4 753.1 130.3 85.3 1.6 48.6 163 -----
                       
1975 8.480 6.813 80.3 1,124.1 962.8 161.3 85.7 1.7 60.3 165 -----
1976 ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
1977 8.720 6.990 80.2 1,231.9 1,059.1 172.8 86.0 1.2 68.0 176 -----
1978 8.970 7.050 78.6 1,206.7 1,052.6 154.1 87.2 2.0 88.4 171 -----
1979 ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
                       
1980 9.745 7.827 80.3 1,406.4 1,225.9 180.5 87.2 2.5 99.7 180 144
1981 ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
1982 ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
1983 ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
1984 ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- -----
                       
1985 11.332 9.659 85.2 1,685.4 1,491.8 193.6 88.5 17.3 161.9 174 122
1986 11.654 9.994 85.8 1,734.1 1,542.8 191.3 89.0 N/A 127.7 174 -----
1987 12.000 10.325 86.0 1,834.4 1,634.7 199.7 89.1 37.4 127.9 178 -----
1988 12.328 10.594 85.9 1,904.5 1,693.2 211.3 88.9 N/A 130.5 180 -----
1989 12.651 10.878 86.0 1,971.9 1,754.1 217.8 89.0 42.4 149.5 181 -----
                       
1990 12.938 11.226 86.8 1,925.1 1,698.8 226.3 88.2 47.9 138.7 171 111
1991 13.259 11.486 86.6 1,946.3 1,701.3 245.0 87.4 46.3 149.8 169 -----
1992 13.498 11.633 86.2 2,022.7 1,780.1 242.6 88.0 47.5 140.9 174 -----
1993 13.730 11.721 85.4 2,028.7 1,804.0 224.7 88.9 53.4 133.2 173 -----
1994 14.044 11.933 85.0 2,010.7 1,800.1 210.6 89.5 58.5 140.5 168 -----
                       
1995 14.336 12.214 85.2 2,079.3 1,868.8 210.5 89.9 57.9 138.2 170 103
1996 14.624 12.531 85.7 2,131.4 1,922.4 209.0 90.2 65.5 145.0 170 -----
1997 14.939 12.778 85.5 2,150.2 1,929.2 221.0 89.7 66.0 138.4 168 -----
1998 15.231 13.000 85.4 2,275.4 2,057.0 218.4 90.4 75.1 138.9 175 -----
1999 15.581 13.250 85.0 2,326.7 2,087.6 239.1 89.7 88.5 146.2 176 -----
                       
2000 15.982 14.030 87.8 2,436.8 2,199.4 237.4 90.3 95.3 140.8 174 106
2001 16.332 14.459 88.5 2,273.7 2,047.3 226.4 90.0 99.4 N/A 157 -----
2002 16.675 14.819 88.9 2,358.0 2,109.5 248.5 89.5 105.6 N/A 159 -----
2003 17.071 15.323 89.8 2,371.7 2,095.3 276.4 88.3 113.9 N/A 155 -----
2004 17.517 15.755 89.9 2,478.3 2,158.8 319.5 87.1 135.0 N/A 157 -----
                       
2005 17.918 16.128 90.0 2,540.6 2,201.3 339.3 86.6 141.7 158.1 158 95
2006 18.349 16.517 90.0 2,642.0 2,405.5 236.5 91.0 N/A N/A 160 -----
2007 18.680 16.821 90.0 2,505.9 2,263.5 242.4 90.3 N/A N/A 149 -----
2008 18.807 16.880 89.8 2,360.6 2,127.9 232.7 90.1 N/A N/A 140 -----
2009 18.750 16.811 89.7 2,295.3 2,090.2 205.1 91.1 N/A N/A 137 -----
                       
2010 17.918 16.128 90.0 2,250.9 2,012.2 238.7 89.4 164.6 142.5 134 85
Public supply treated nonpotable water includes saline surface water and brackish groundwater treated through a desalination process or is diluted with fresher water to meet public drinking standards.
Public supply transfers include water imported or exported from one county to another for drinking water use.
Water-use categories are defined in the USGS publications listed below.
Data sources; 1965-2000, USGS Scientific Investigations Report 2004-5151; 2005, USGS Scientific Investigations Report 2009-5125; 2010,
 USGS Scientific Investigations Report 2014-5088;