Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Rock Creek Reservoir 24-A | Reservoir | 393 | Pawnee | 40 13 00 N | 096 18 55 W |
| Rock Creek Reservoir 3-4 | Reservoir | 419 | Pawnee | 40 12 12 N | 096 20 01 W |
| Rockford Lake | Reservoir | 410 | Gage | 40 13 29 N | 096 35 13 W |
| Rod and Gun Club Reservoir | Reservoir | 514 | Antelope | 42 26 12 N | 098 02 37 W |
| Rogers Reservoir | Reservoir | 660 | Buffalo | 40 49 36 N | 098 54 07 W |
| Rohrich Reservoir | Reservoir | 660 | Buffalo | 40 56 36 N | 099 09 19 W |
| Rolfsmeier Reservoir | Reservoir | 449 | Seward | 40 52 30 N | 097 02 01 W |
| Rolfsmeier Reservoir Number 1 | Reservoir | 467 | Seward | 40 58 00 N | 097 00 43 W |
| Ropers Lake | Reservoir | 346 | Lancaster | 40 52 23 N | 096 39 10 W |
| Roscoe Hill Hatchery Reservoir | Reservoir | 410 | Lancaster | 40 26 24 N | 096 53 25 W |
| Roseland Lake | Reservoir | 601 | Adams | 40 33 19 N | 098 34 49 W |
| Rosenquist Reservoir | Reservoir | 505 | Polk | 41 07 42 N | 097 35 01 W |
| Ross Canyon Reservoir | Reservoir | 1273 | Morrill | 41 54 12 N | 103 21 02 W |
| Ross Reservoir | Reservoir | 850 | Lincoln | 41 01 00 N | 100 32 32 W |
| Rowan Reservoir | Reservoir | 400 | Keya Paha | 42 55 30 N | 096 22 07 W |
| Rowan Reservoir | Reservoir | 573 | Keya Paha | 42 56 42 N | 099 24 13 W |
| Ruggles Reservoir | Reservoir | 788 | Frontier | 40 36 48 N | 100 27 56 W |
| Ruther Reservoir | Reservoir | 1267 | Cheyenne | 41 07 30 N | 102 57 20 W |
| Ruttman Reservoir | Reservoir | 526 | Nuckolls | 40 16 12 N | 098 02 25 W |
| S and H Farms Reservoir | Reservoir | 455 | Lancaster | 41 02 12 N | 096 52 43 W |
| Saathoff Reservoir | Reservoir | 618 | Franklin | 40 06 48 N | 099 07 31 W |
| Salisbury Reservoir | Reservoir | 724 | Gosper | 40 27 48 N | 099 50 37 W |
| Sall Reservoir | Reservoir | 659 | Harlan | 40 14 36 N | 099 22 01 W |
| Salt Creek Reservoir 10-4 | Reservoir | 408 | Lancaster | 40 35 06 N | 096 33 25 W |
| Salt Creek Reservoir 11-A | Reservoir | 396 | Lancaster | 40 35 24 N | 096 36 01 W |
| Salt Creek Reservoir 13-A | Reservoir | 419 | Lancaster | 40 33 42 N | 096 47 37 W |
| Salt Creek Reservoir 13-B | Reservoir | 400 | Lancaster | 40 35 24 N | 096 47 19 W |
| Salt Creek Reservoir 14-1 | Reservoir | 406 | Lancaster | 40 35 12 N | 096 49 31 W |
| Salt Creek Reservoir 14-A | Reservoir | 405 | Lancaster | 40 34 54 N | 096 48 49 W |
| Salt Creek Reservoir 16-A | Reservoir | 400 | Lancaster | 40 40 36 N | 096 45 49 W |
| Salt Creek Reservoir 17-A | Reservoir | 393 | Lancaster | 40 38 48 N | 096 45 49 W |
| Salt Creek Reservoir 19-B | Reservoir | 417 | Lancaster | 40 41 54 N | 096 35 37 W |
| Salt Creek Reservoir 23-B | Reservoir | 419 | Lancaster | 40 40 36 N | 096 49 43 W |
| Salt Creek Reservoir 25-A | Reservoir | 405 | Lancaster | 40 36 06 N | 096 51 13 W |
| Salt Creek Reservoir 26-A | Reservoir | 430 | Lancaster | 40 36 48 N | 096 53 01 W |
| Salt Creek Reservoir 27-A | Reservoir | 433 | Lancaster | 40 36 54 N | 096 54 31 W |
| Salt Creek Reservoir 27-B | Reservoir | 430 | Lancaster | 40 36 48 N | 096 54 13 W |
| Salt Creek Reservoir 27-C | Reservoir | 415 | Lancaster | 40 35 18 N | 096 53 55 W |
| Salt Creek Reservoir 29-5 | Reservoir | 419 | Lancaster | 40 37 00 N | 096 50 43 W |
| Salt Creek Reservoir 35-1 | Reservoir | 384 | Lancaster | 40 38 00 N | 096 38 31 W |
| Salt Creek Reservoir 38-3 | Reservoir | 411 | Lancaster | 40 37 00 N | 096 31 37 W |
| Salt Creek Reservoir 38-A | Reservoir | 404 | Lancaster | 40 37 00 N | 096 32 07 W |
| Salt Creek Reservoir 4-A | Reservoir | 391 | Lancaster | 40 37 42 N | 096 42 31 W |
| Salt Creek Reservoir 5-7 | Reservoir | 415 | Lancaster | 40 33 54 N | 096 45 19 W |
| Salt Creek Reservoir 5-9 | Reservoir | 423 | Lancaster | 40 33 48 N | 096 44 49 W |
| Salt Creek Reservoir 5-A | Reservoir | 403 | Lancaster | 40 34 42 N | 096 45 01 W |
| Salt Creek Reservoir 6-4 | Reservoir | 430 | Lancaster | 40 33 00 N | 096 46 19 W |
| Salt Creek Reservoir 6-A | Reservoir | 416 | Lancaster | 40 33 36 N | 096 46 01 W |
| Salt Creek Reservoir 8-A | Reservoir | 408 | Lancaster | 40 38 30 N | 096 33 43 W |
| Salt Creek Reservoir 8-B | Reservoir | 407 | Lancaster | 40 38 54 N | 096 33 19 W |
| Salt Creek Reservoir 9-3 | Reservoir | 408 | Lancaster | 40 39 06 N | 096 35 01 W |
| Salt Creek Reservoir 9-A | Reservoir | 410 | Lancaster | 40 40 12 N | 096 35 13 W |
| Salt Creek Reservoir U-36 | Reservoir | 395 | Lancaster | 40 36 18 N | 096 45 07 W |
| Saltz Lake | Reservoir | 566 | Holt | 42 24 39 N | 098 19 35 W |
| Sand Creek Reservoir 2 | Reservoir | 470 | Stanton | 41 53 42 N | 097 11 31 W |
| Sargent Reservoir | Reservoir | 770 | Custer | 41 37 12 N | 099 45 13 W |
| Saul Reservoir | Reservoir | 478 | Nuckolls | 40 00 48 N | 098 00 01 W |
| Sayer Reservoir Number 2 | Reservoir | 719 | Frontier | 40 24 54 N | 100 06 55 W |
| Sayer Reservoir Number 3 | Reservoir | 721 | Frontier | 40 24 36 N | 100 06 07 W |
| Schaaf Reservoir | Reservoir | 475 | Holt | 42 45 36 N | 098 34 07 W |
| Schacht Reservoir | Reservoir | 549 | Antelope | 42 25 18 N | 098 17 13 W |
| Schack Reservoir Number 1 | Reservoir | 1039 | Perkins | 40 51 24 N | 101 24 26 W |
| Schack Reservoir Number 2 | Reservoir | 1037 | Perkins | 40 51 12 N | 101 24 26 W |
| Schaffert Reservoir | Reservoir | 755 | Red Willow | 40 10 24 N | 100 24 20 W |
| Scheurich Reservoir | Reservoir | 526 | Wayne | 42 07 36 N | 097 18 43 W |
| Schiermeyer Reservoir | Reservoir | 528 | Nuckolls | 40 07 42 N | 098 06 19 W |
| Schilling Reservoir Number 1 | Reservoir | 778 | Gosper | 40 41 00 N | 099 55 19 W |
| Schilling Reservoir Number 2 | Reservoir | 782 | Gosper | 40 41 06 N | 099 54 01 W |
| Schleufer Reservoir | Reservoir | 538 | Nuckolls | 40 09 24 N | 098 00 49 W |
| Schleusener Reservoir | Reservoir | 556 | Antelope | 42 22 00 N | 098 13 55 W |
| Schlichtemeier Reservoir | Reservoir | 351 | Cass | 40 52 18 N | 095 57 25 W |
| Schlichtemeier Reservoir Number 1 | Reservoir | 365 | Cass | 40 53 12 N | 095 57 49 W |
| Schlife Reservoir | Reservoir | 476 | Thayer | 40 00 42 N | 097 33 19 W |
| Schluntz Reservoir | Reservoir | 642 | Harlan | 40 13 24 N | 099 16 01 W |
| Schmacker Reservoir | Reservoir | 1018 | Dawes | 42 49 48 N | 103 09 14 W |
| Schmer Reservoir | Reservoir | 532 | Clay | 40 33 30 N | 097 56 49 W |
| Schmidt Reservoir | Reservoir | 420 | Saunders | 41 05 24 N | 096 54 01 W |
| Schmidt Reservoir | Reservoir | 594 | Webster | 40 19 06 N | 098 27 55 W |
| Schnurr Reservoir Number 2 | Reservoir | 1221 | Sioux | 42 54 54 N | 103 59 20 W |
| Scholtz Reservoir | Reservoir | 530 | Webster | 40 00 54 N | 098 16 19 W |
| School House Lake Reservoir | Reservoir | 958 | Cherry | 42 41 18 N | 101 15 08 W |
| School Land Reservoir Number 1 | Reservoir | 766 | Dawson | 40 55 06 N | 099 43 13 W |
| School Land Reservoir Number 2 | Reservoir | 770 | Dawson | 40 55 24 N | 099 43 13 W |
| School Land Reservoir Number 3 | Reservoir | 731 | Dawson | 40 55 18 N | 099 29 49 W |
| School Land Reservoir Number 4 | Reservoir | 794 | Dawson | 41 00 12 N | 099 56 37 W |
| School Lands Reservoir | Reservoir | 1565 | Kimball | 41 05 48 N | 103 52 14 W |
| Schow Reservoir | Reservoir | 812 | Frontier | 40 24 18 N | 100 34 50 W |
| Schrock Reservoir | Reservoir | 730 | Gosper | 40 30 06 N | 099 52 43 W |
| Schroeder Reservoir | Reservoir | 495 | Nuckolls | 40 15 18 N | 097 50 31 W |
| Schuerman Reservoir | Reservoir | 399 | Saline | 40 25 48 N | 096 55 19 W |
| Schuhmacher Reservoir | Reservoir | 1021 | Dawes | 42 49 48 N | 103 10 44 W |
| Schulke Reservoir | Reservoir | 377 | Dixon | 42 34 54 N | 096 42 13 W |
| Schurr Reservoir Number 1 | Reservoir | 761 | Frontier | 40 33 06 N | 100 06 19 W |
| Schurr Reservoir Number 2 | Reservoir | 771 | Frontier | 40 33 12 N | 100 08 19 W |
| Schwindt Reservoir | Reservoir | 572 | Holt | 42 45 12 N | 098 52 13 W |
| Schwisow Reservoir | Reservoir | 425 | Saline | 40 22 12 N | 097 10 01 W |
| Scott Reservoir | Reservoir | 1299 | Banner | 41 38 18 N | 103 42 38 W |
| Scott Reservoir | Reservoir | 719 | Gosper | 40 24 42 N | 100 05 13 W |
| Scott Reservoir | Reservoir | 949 | Hayes | 40 37 30 N | 101 04 20 W |
| Scott Reservoir | Reservoir | 532 | Nance | 41 26 42 N | 098 08 43 W |
| Scow Reservoir | Reservoir | 485 | Polk | 41 16 12 N | 097 26 07 W |
| Scrivens Reservoir | Reservoir | 1334 | Banner | 41 39 18 N | 103 49 26 W |
| Scroggin Reservoir | Reservoir | 493 | Nuckolls | 40 12 36 N | 097 53 43 W |
| Seeman Reservoir | Reservoir | 599 | Webster | 40 16 00 N | 098 25 55 W |
| Sehi Reservoir | Reservoir | 589 | Holt | 42 06 00 N | 098 19 01 W |
| Semroska Reservoir | Reservoir | 1109 | Sioux | 42 57 12 N | 103 43 44 W |
| Sergel Reservoir | Reservoir | 735 | Frontier | 40 28 12 N | 100 00 43 W |
| Serr Reservoir | Reservoir | 627 | Keya Paha | 42 53 30 N | 099 28 31 W |
| Serres Reservoir Number 2 | Reservoir | 1215 | Sioux | 42 48 30 N | 103 42 50 W |
| Seward County Reservoir Number 1 | Reservoir | 408 | Seward | 40 44 30 N | 096 54 55 W |