- Charleston County, (S.C.)2
- Chesterfield County (S.C.)1
- City of Charleston, Charleston County (S.C.)77
- Colleton County (S.C.)26
- Colleton County (S.C.) and Beaufort County (S.C.)1
- Columbia, Richland County, South Carolina, United States7
- Combahee River, Beaufort County (S.C.)3
- Combahee River, Colleton County (S.C.)15
- Combahee River,Colleton County (S.C.)3
- Cooper River1
- Cooper River (S.C.)1
- Cooper River, Berkeley County (S.C.)25
- Cooper River, Berkeley County (SC)3
- Cooper River, Berkeley County(S.C.) and Morgan River,Beaufort County (S.C.)1
- Cooper River, SC2
- Cooper River,Berkeley County (S.C.)16
- Cooper River,Berkeley County (S.C.) and the Morgan River,Beaufort County (S.C.)1
- Darlington County (S.C.)1
- Dorchester County (S.C.)1
- East Cooper River,Berkeley County (S.C.)1