Update 2023-09-11: to 2021 Georgia and 2022 Florida redistricting.
U.S. House members in WWALS watersheds.
Sanford Bishop D GA-02 (Thomas and Dooly Counties, and many more outside the Suwannee River Basin),
Austin Scott D GA-08 (Lowndes, Brooks, Echols, Clinch, Colquitt, Cook, Berrien, Lanier, Atkinson, Worth, Turner, Tift, Irwin, Ben Hill, Coffee, Crisp, and and Wilcox Counties, plus others outside the Suwannee River Basin),
Buddy Carter R GA-01 (Ware, Charlton, and Brantley Counties, plus more outside the Suwannee River Basin),
South Georgia Congressional Districts Map
After 2016, redistricting approved in 2015 by the Florida Supreme Court has:
FL-02 includes Madison County in the Suwannee River Basin and Taylor County in the Suwannee River Water Management District, plus many more counties to the west.
FL-03 includes all of the Santa Fe River watershed, and most of the rest of the Suwannee River Basin in Florida, with Baker, Union, Bradford, Alachua, Levy, Dixie, Gilchrist, Lafayette, Suwannee, Columbia, and Hamilton Counties, plus part of Marion County. For Madison County, see FL-02.
FL-12, just south of the other Withlacoochee River, contains in Citrus, Hernando, Sumter, and Pasco Counties.