See also Georgia House and Senate and Florida House and Senate.

U.S. Congress

U.S. House of Representatives

U.S. House members in WWALS watersheds.

Austin Scott D GA-08 (Lowndes, Brooks, Thomas, Colquitt, Cook, Berrien, Lanier, Atkinson, Worth, Turner, Tift, Irwin, Ben Hill, and Wilcox Counties),
Sanford Bishop D GA-02 (Crisp and Dooly Counties),
Buddy Carter R GA-01 (Lowndes, Echols, Clinch, Ware, and Charlton Counties),
Rick Allen R GA-12 (Coffee County)

After 2016, redistricting approved in 2015 by the Florida Supreme Court has:

Al Lawson
in a long skinny FL-05 along the state line with Madison, Hamilton, and Baker Counties and half of Columbia, plus
Neal Dunn
a long skinny FL-02 with Suwannee and the other half of Columbia, as well as Lafayette, Gilchrist, Dixie, and Levy Counties.
Ted Yoho
A new and compact FL-03 gets the Santa Fe River watershed, with Union, Bradford, Alachua, Putnam, and Clay Counties, and half of Marion.
Daniel Webster
Just to the south, a new FL-11 contains the other Withlacoochee River watershed, in Citrus, Hernando, Sumter, and bits of Marion and Lake Counties.