The Collaborative International Dictionary of English v.0.48:

Sweetwater \Sweet"wa`ter\, n. (Bot.)
   A variety of white grape, having a sweet watery juice; --
   also called white sweetwater, and white muscadine.
   [1913 Webster]

U.S. Gazetteer Counties (2000):

Sweetwater -- U.S. County in Wyoming
   Population (2000):    37613
   Housing Units (2000): 15921
   Land area (2000):     10425.298440 sq. miles (27001.397855 sq. km)
   Water area (2000):    65.866730 sq. miles (170.594040 sq. km)
   Total area (2000):    10491.165170 sq. miles (27171.991895 sq. km)
   Located within:       Wyoming (WY), FIPS 56
   Location:             41.640708 N, 109.168198 W
   Headwords:
    Sweetwater
    Sweetwater, WY
    Sweetwater County
    Sweetwater County, WY


U.S. Gazetteer Places (2000):

Sweetwater, FL -- U.S. city in Florida
   Population (2000):    14226
   Housing Units (2000): 4353
   Land area (2000):     0.815726 sq. miles (2.112721 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.815726 sq. miles (2.112721 sq. km)
   FIPS code:            70275
   Located within:       Florida (FL), FIPS 12
   Location:             25.765977 N, 80.373624 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Sweetwater, FL
    Sweetwater


U.S. Gazetteer Places (2000):

Sweetwater, TN -- U.S. city in Tennessee
   Population (2000):    5586
   Housing Units (2000): 2511
   Land area (2000):     6.895278 sq. miles (17.858686 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    6.895278 sq. miles (17.858686 sq. km)
   FIPS code:            72540
   Located within:       Tennessee (TN), FIPS 47
   Location:             35.602604 N, 84.466992 W
   ZIP Codes (1990):     37874
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Sweetwater, TN
    Sweetwater


U.S. Gazetteer Places (2000):

Sweetwater, TX -- U.S. city in Texas
   Population (2000):    11415
   Housing Units (2000): 5202
   Land area (2000):     10.018866 sq. miles (25.948744 sq. km)
   Water area (2000):    0.001094 sq. miles (0.002834 sq. km)
   Total area (2000):    10.019960 sq. miles (25.951578 sq. km)
   FIPS code:            71540
   Located within:       Texas (TX), FIPS 48
   Location:             32.468147 N, 100.407125 W
   ZIP Codes (1990):     79556
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Sweetwater, TX
    Sweetwater