Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Robinson Farms Pond Number One Dam D-2746 | Dam | 282 | Spartanburg | 34 55 00 N | 082 10 41 W |
| Robinson Farms Pond Number Two Dam D-2747 | Dam | 260 | Spartanburg | 34 54 42 N | 082 09 29 W |
| Rochester Craven Dam D-1633 | Dam | 336 | Oconee | 34 55 18 N | 083 01 18 W |
| Rochester Little Lake Dam D-1523 | Dam | 308 | Oconee | 34 54 18 N | 082 59 60 W |
| Rocky Creek WCD Dam Number Eight D-0214 | Dam | 151 | Chester | 34 40 01 N | 081 10 29 W |
| Rocky Creek WCD Dam Number Nine D-0215 | Dam | 148 | Chester | 34 39 49 N | 081 09 11 W |
| Rocky Creek WCD Dam Number One D-0212 | Dam | 143 | Chester | 34 40 49 N | 080 59 23 W |
| Rocky Creek WCD Dam Number Six D-0213 | Dam | 157 | Chester | 34 43 01 N | 081 10 29 W |
| Rocky Creek-Cedar Creek Dam | Dam | 104 | Chester | 34 31 49 N | 080 52 47 W |
| Rogers Pond Dam D-1828 | Dam | 142 | Chesterfield | 34 42 49 N | 080 20 11 W |
| Rogers Pond Dam D-3232 | Dam | 46 | Chesterfield | 34 35 43 N | 079 53 35 W |
| Roletter Pond Dam D-1664 | Dam | 353 | Oconee | 34 42 18 N | 083 17 24 W |
| Rollins Pond Dam D-2945 | Dam | 36 | Marlboro | 34 43 25 N | 079 51 47 W |
| Ross Pond Dam D-1978 | Dam | 65 | Sumter | 34 02 13 N | 080 25 11 W |
| Rotureau Lake Dam D-0572 | Dam | 91 | Richland | 34 07 01 N | 080 50 47 W |
| Routons Pond Dam D-1201 | Dam | 153 | Saluda | 33 53 12 N | 081 50 59 W |
| Rowell Pond Dam D-1767 | Dam | 193 | Lancaster | 34 46 55 N | 080 38 11 W |
| Rowell Pond Dam D-3239 | Dam | 13 | Marion | 34 02 01 N | 079 19 11 W |
| Rudolf Pond Dam D-2849 | Dam | 376 | Greenville | 35 07 06 N | 082 22 23 W |
| Rumphs Pond Dam D-2549 | Dam | 27 | Dorchester | 33 05 25 N | 080 29 59 W |
| Rutledges Pond D-0137 Dam | Dam | 81 | Richland | 34 05 01 N | 080 52 29 W |
| S Huffman Pond Dam D-2834 | Dam | 330 | Greenville | 35 03 24 N | 082 29 29 W |
| Saint Matthews City Sewage Dam D-2919 | Dam | 72 | Calhoun | 33 38 19 N | 080 44 59 W |
| Saint Matthews Waste Pond Dam D-2638 | Dam | 57 | Calhoun | 33 40 31 N | 080 45 11 W |
| Salinas Pond Dam D-2610 | Dam | 144 | Union | 34 36 00 N | 081 29 17 W |
| Saluda Dam | Dam | 258 | Greenville | 34 51 09 N | 082 29 02 W |
| Saluda Dam | Dam | 82 | Lexington | 34 03 12 N | 081 13 04 W |
| Sam Fogles Pond Dam D-3694 | Dam | 81 | Orangeburg | 33 35 01 N | 080 59 11 W |
| Sam Reid Pond Dam D-2658 | Dam | 56 | Calhoun | 33 40 37 N | 080 40 11 W |
| Sanders Pond Dam D-2567 | Dam | 37 | Allendale | 32 57 43 N | 081 15 17 W |
| Santee Dam | Dam | 13 | Clarendon | 33 27 14 N | 080 09 50 W |
| Santee Shores Pond Dam D-3746 | Dam | 30 | Orangeburg | 33 29 19 N | 080 29 05 W |
| Sarah Copeland Pond Dam D-2998 | Dam | 187 | Laurens | 34 27 12 N | 081 52 05 W |
| Sarvis Pond Dam D-3614 | Dam | 19 | Horry | 34 04 19 N | 079 01 17 W |
| Savannah River Plant Pond B D-3078 Dam | Dam | 75 | Barnwell | 33 17 34 N | 081 32 45 W |
| Savannah River Plant Pond Dam Number Five D-3076 | Dam | 73 | Barnwell | 33 15 40 N | 081 33 35 W |
| Savannah River Plant Pond Dam Number Four D-3075 | Dam | 80 | Barnwell | 33 16 13 N | 081 34 04 W |
| Savannah River Plant Pond Number 25-288-F D-3156 Dam | Dam | 92 | Aiken | 33 17 19 N | 081 40 17 W |
| Savannah River Plant Pond Number Two D-3074 Dam | Dam | 77 | Barnwell | 33 15 19 N | 081 35 05 W |
| Sawmill Pond Dam D-1987 | Dam | 50 | Sumter | 33 57 13 N | 080 25 14 W |
| SCE and G Ash Pond Dam D-2555 | Dam | 19 | Dorchester | 33 04 19 N | 080 37 11 W |
| Schewzyk Pond Dam D-1750 | Dam | 173 | Lancaster | 34 58 07 N | 080 50 05 W |
| Scott Pond Dam D-3087 | Dam | 14 | Williamsburg | 33 36 25 N | 079 43 35 W |
| Scott Pond Dam D-3213 | Dam | 91 | Chesterfield | 34 31 13 N | 080 06 53 W |
| Scotts Pond Dam D-2146 | Dam | 104 | Aiken | 33 46 13 N | 081 26 35 W |
| Second Millpond Dam D-1444 | Dam | 42 | Sumter | 33 55 05 N | 080 22 49 W |
| Semmes Lake Dam - Fort Jackson | Dam | 64 | Richland | 34 00 17 N | 080 56 29 W |
| Shannon Lake Dam D-2903 | Dam | 283 | Greenville | 34 50 54 N | 082 16 17 W |
| Shannon Pond Dam D-2673 | Dam | 106 | Calhoun | 33 41 55 N | 081 01 11 W |
| Shaw Pond Dam D-3509 | Dam | 26 | Clarendon | 33 31 49 N | 080 08 53 W |
| Shealys Pond Dam D-1718 | Dam | 79 | Lexington | 33 56 55 N | 081 10 05 W |
| Shehane Cabin Pond Dam D-2659 | Dam | 46 | Calhoun | 33 40 13 N | 080 39 23 W |
| Shepherds Pond D-1437 Dam | Dam | 148 | Chester | 34 43 49 N | 080 59 41 W |
| Sherrill Pond Dam D-1778 | Dam | 166 | Lancaster | 34 48 25 N | 080 47 53 W |
| Shrine Club Lake Dam D-3415 | Dam | 241 | Cherokee | 35 02 06 N | 081 38 41 W |
| Shuler Pond Dam D-1577 | Dam | 47 | Sumter | 33 50 55 N | 080 24 53 W |
| Shulls Pond Dam D-3685 | Dam | 81 | Orangeburg | 33 39 37 N | 081 03 11 W |
| Sidney Horton Pond Dam D-1074 | Dam | 115 | Kershaw | 34 30 07 N | 080 26 05 W |
| Simpson Pond Dam D-3651 | Dam | 79 | York | 34 05 13 N | 080 56 47 W |
| Sinclair Pond Dam D-1328 | Dam | 58 | Kershaw | 34 15 37 N | 080 33 29 W |
| Singletary Millpond Dam D-2410 | Dam | 67 | Lee | 34 14 42 N | 080 21 16 W |
| Sinkler Dam (historical) | Dam | 12 | Berkeley | 33 28 53 N | 080 07 26 W |
| Sity Oxidization Pond D-3527 Dam | Dam | 47 | Darlington | 34 10 43 N | 080 02 59 W |
| Sloans Meadow Creek Dam | Dam | 286 | Spartanburg | 35 04 18 N | 082 04 53 W |
| Smith Pond Dam D-2680 | Dam | 61 | Calhoun | 33 43 07 N | 080 49 53 W |
| Smith Pond Dam D-3621 | Dam | 20 | Horry | 33 55 13 N | 079 07 47 W |
| Smiths Lake Dam D-2024 | Dam | 130 | Aiken | 33 40 48 N | 081 47 29 W |
| Smiths Pond D-0541 Dam | Dam | 136 | Richland | 34 11 37 N | 081 00 35 W |
| Smiths Pond D-1668 Dam | Dam | 167 | Newberry | 34 21 00 N | 081 46 59 W |
| Smoaks Pond Dam D-3714 | Dam | 72 | Orangeburg | 33 33 25 N | 080 53 29 W |
| Smoke Pond Dam D-2929 | Dam | 61 | Calhoun | 33 39 01 N | 080 46 29 W |
| Snipe Bog Pond Dam D-2935 | Dam | 1 | Beaufort | 32 38 31 N | 080 40 59 W |
| Snowden Pond Dam D-3098 | Dam | 13 | Williamsburg | 33 43 01 N | 079 31 29 W |
| Snyder Pond Dam D-2856 | Dam | 318 | Greenville | 34 55 00 N | 082 25 17 W |
| Sonoco Industrial Waste Dam D-3521 | Dam | 58 | Darlington | 34 23 49 N | 080 02 47 W |
| South Carolina Noname 01001 D-3039 Dam | Dam | 134 | Abbeville | 34 05 50 N | 082 21 17 W |
| South Carolina Noname 01002 D-0914 Dam | Dam | 200 | Abbeville | 34 25 48 N | 082 20 53 W |
| South Carolina Noname 01003 D-3037 Dam | Dam | 172 | Abbeville | 34 16 30 N | 082 25 05 W |
| South Carolina Noname 01004 D-3035 Dam | Dam | 127 | Abbeville | 34 05 06 N | 082 30 35 W |
| South Carolina Noname 01005 D-3034 Dam | Dam | 157 | Abbeville | 34 06 48 N | 082 35 23 W |
| South Carolina Noname 01006 D-3042 Dam | Dam | 204 | Abbeville | 34 23 48 N | 082 24 11 W |
| South Carolina Noname 01007 Dam | Dam | 168 | Abbeville | 34 15 27 N | 082 36 35 W |
| South Carolina Noname 01108 D-0892 Dam | Dam | 157 | Edgefield | 33 46 24 N | 081 54 11 W |
| South Carolina Noname 01109 D-0891 Dam | Dam | 152 | Edgefield | 33 46 42 N | 081 53 53 W |
| South Carolina Noname 02001 Dam | Dam | 47 | Aiken | 33 31 18 N | 081 50 47 W |
| South Carolina Noname 02002 D-0710 Dam | Dam | 131 | Aiken | 33 37 43 N | 081 42 47 W |
| South Carolina Noname 02003 D-1992 Dam | Dam | 62 | Aiken | 33 24 55 N | 081 49 11 W |
| South Carolina Noname 02004 Dam | Dam | 75 | Aiken | 33 36 46 N | 081 48 22 W |
| South Carolina Noname 02005 Dam | Dam | 70 | Aiken | 33 34 48 N | 081 48 47 W |
| South Carolina Noname 02006 Dam | Dam | 72 | Aiken | 33 34 30 N | 081 48 11 W |
| South Carolina Noname 02007 D-1993 Dam | Dam | 58 | Aiken | 33 32 50 N | 081 52 58 W |
| South Carolina Noname 02009 D-0823 Dam | Dam | 164 | Aiken | 33 44 43 N | 081 32 29 W |
| South Carolina Noname 02010 D-1994 Dam | Dam | 83 | Aiken | 33 35 01 N | 081 30 42 W |
| South Carolina Noname 02012 D-1996 Dam | Dam | 53 | Aiken | 33 23 29 N | 081 48 47 W |
| South Carolina Noname 02013 D-1997 Dam | Dam | 82 | Aiken | 33 33 12 N | 081 24 32 W |
| South Carolina Noname 02014 D-2030 Dam | Dam | 80 | Aiken | 33 32 19 N | 081 24 41 W |
| South Carolina Noname 02015 D-1998 Dam | Dam | 95 | Aiken | 33 37 13 N | 081 29 19 W |
| South Carolina Noname 02016 D-0696 Dam | Dam | 97 | Aiken | 33 35 42 N | 081 45 47 W |
| South Carolina Noname 02017 D-1999 Dam | Dam | 77 | Aiken | 33 33 01 N | 081 28 53 W |
| South Carolina Noname 02018 D-2000 Dam | Dam | 79 | Aiken | 33 27 29 N | 081 43 55 W |
| South Carolina Noname 02019 D-2034 Dam | Dam | 95 | Aiken | 33 35 49 N | 081 17 11 W |
| South Carolina Noname 02020 D-2001 Dam | Dam | 98 | Aiken | 33 35 20 N | 081 27 52 W |
| South Carolina Noname 02021 D-2033 Dam | Dam | 83 | Aiken | 33 41 37 N | 081 18 17 W |
| South Carolina Noname 02023 D-2003 Dam | Dam | 71 | Aiken | 33 34 24 N | 081 52 59 W |
| South Carolina Noname 02025 D-0724 Dam | Dam | 141 | Aiken | 33 48 19 N | 081 36 41 W |
| South Carolina Noname 02026 D-2004 Dam | Dam | 90 | Aiken | 33 28 25 N | 081 39 07 W |
| South Carolina Noname 02027 D-2052 Dam | Dam | 76 | Aiken | 33 38 49 N | 081 12 41 W |
| South Carolina Noname 02028 D-0722 Dam | Dam | 153 | Aiken | 33 49 19 N | 081 36 29 W |
| South Carolina Noname 02030 D-2051 Dam | Dam | 83 | Aiken | 33 38 13 N | 081 13 11 W |
| South Carolina Noname 02032 D-2005 Dam | Dam | 68 | Aiken | 33 32 18 N | 081 53 35 W |