Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Portage County Number 35 Dam | Dam | 320 | Portage | 44 16 54 N | 089 41 48 W |
| Potato Rapids Dam | Dam | 189 | Marinette | 45 06 52 N | 087 45 37 W |
| Potato Rapids WP 133 Dam | Dam | 189 | Marinette | 45 06 54 N | 087 45 42 W |
| Potter 2WP695 Dam | Dam | 294 | Jackson | 44 18 14 N | 090 31 24 W |
| Potter Dam | Dam | 292 | Monroe | 44 08 18 N | 090 25 18 W |
| Potter Dam | Dam | 290 | Monroe | 44 08 12 N | 090 25 30 W |
| Potters Reservoir 2WP 188 Dam | Dam | 283 | Juneau | 44 04 24 N | 090 16 36 W |
| Pouwels 3lM79802 Dam | Dam | 214 | Brown | 44 22 48 N | 088 03 36 W |
| Powell Falls 2WP180 Dam | Dam | 255 | Pierce | 44 50 60 N | 092 38 25 W |
| Poy Sippi 1870C38 Dam | Dam | 241 | Waushara | 44 08 12 N | 088 59 48 W |
| Prairie Dell Dam | Dam | 424 | Lincoln | 45 15 22 N | 089 33 45 W |
| Prairie Dells Dam (historical) | Dam | 422 | Lincoln | 45 15 21 N | 089 33 45 W |
| Prairie Du Sac 1907c189 Dam | Dam | 222 | Sauk | 43 18 36 N | 089 43 30 W |
| Prairie Farm Dam | Dam | 316 | Barron | 45 14 20 N | 091 59 06 W |
| Prentice 2WP234 Dam | Dam | 469 | Price | 45 32 60 N | 090 17 13 W |
| Price 2WP 1664 Dam | Dam | 399 | Sawyer | 45 47 42 N | 090 59 19 W |
| Princes Point WLA Number 1 H2.117 Dam | Dam | 238 | Jefferson | 42 53 24 N | 088 41 48 W |
| Princes Point WLA Number 2 H2.117 Dam | Dam | 238 | Jefferson | 42 54 00 N | 088 40 00 W |
| Princeton Lock (historical) | Dam | 232 | Green Lake | 43 49 34 N | 089 09 28 W |
| Propst G1976 Dam | Dam | 374 | Taylor | 45 06 36 N | 090 51 30 W |
| Qualley E1854 Dam | Dam | 307 | Clark | 44 27 12 N | 090 27 48 W |
| Raciborski G-5366 Dam | Dam | 378 | Taylor | 45 02 48 N | 090 49 18 W |
| Radigan 2WP1947 Dam | Dam | 344 | Douglas | 46 12 60 N | 092 13 31 W |
| Radigan Dam | Dam | 305 | Douglas | 46 08 03 N | 092 13 32 W |
| Rainbow Reservoir 2WP185 Dam | Dam | 487 | Oneida | 45 49 60 N | 089 32 38 W |
| Rapide Croche Dam | Dam | 182 | Outagamie | 44 18 59 N | 088 11 53 W |
| Rapids 1854C275 Dam | Dam | 180 | Manitowoc | 44 05 42 N | 087 42 18 W |
| Rapids Croche Dam | Dam | 183 | Outagamie | 44 18 60 N | 088 11 54 W |
| Red Ike Creek Dam | Dam | 440 | Sawyer | 46 06 48 N | 090 57 49 W |
| Redman Flowage G12.575 Dam | Dam | 370 | Taylor | 45 17 30 N | 090 51 48 W |
| Reischl G9879 Dam | Dam | 272 | Waukesha | 42 51 00 N | 088 14 30 W |
| Remington 1 2WP203 Dam | Dam | 292 | Wood | 44 14 60 N | 090 08 42 W |
| Remington 11 2WP203 Dam | Dam | 293 | Wood | 44 14 60 N | 090 09 36 W |
| Remington 16 C 6118 Dam | Dam | 299 | Wood | 44 16 42 N | 090 19 00 W |
| Remington 5 C 6118 Dam | Dam | 297 | Wood | 44 16 12 N | 090 17 18 W |
| Remington 9 C 6118 Dam | Dam | 297 | Wood | 44 15 48 N | 090 16 48 W |
| Reservoir 2 WP 463 Dam | Dam | 407 | Oconto | 45 18 12 N | 088 38 00 W |
| Reservoir Lake 3WR870 Dam | Dam | 392 | Marathon | 44 44 48 N | 090 12 00 W |
| Resettlement Administration 12 Dam | Dam | 287 | Jackson | 44 18 42 N | 090 34 24 W |
| Resettlement Administration 15 Dam | Dam | 283 | Jackson | 44 19 18 N | 090 36 30 W |
| Resettlement Administration 2 Dam | Dam | 287 | Jackson | 44 18 42 N | 090 36 30 W |
| Resettlement Administration 20 Dam | Dam | 282 | Jackson | 44 16 60 N | 090 39 30 W |
| Resettlement Administration 21 Dam | Dam | 282 | Jackson | 44 18 48 N | 090 39 24 W |
| Resettlement Administration 23 Dam | Dam | 290 | Jackson | 44 12 36 N | 090 36 54 W |
| Resettlement Administration 29 2WP398 Dam | Dam | 273 | Jackson | 44 19 60 N | 090 41 54 W |
| Resettlement Administration 4 Dam | Dam | 292 | Jackson | 44 17 42 N | 090 35 24 W |
| Resettlement Administration 5 Dam | Dam | 293 | Jackson | 44 17 30 N | 090 35 24 W |
| Resettlement Administration 6 Dam | Dam | 297 | Jackson | 44 16 54 N | 090 34 36 W |
| Resettlement Administration 8 Dam | Dam | 281 | Jackson | 44 20 06 N | 090 37 12 W |
| Resettlement Administration 8 East Dam | Dam | 281 | Jackson | 44 20 06 N | 090 36 42 W |
| Resettlement Administration 9 Dam | Dam | 287 | Jackson | 44 18 42 N | 090 33 42 W |
| Rest Lake 2WP295 Dam | Dam | 488 | Vilas | 46 08 18 N | 089 53 07 W |
| Rhinelander 1907C280 Dam | Dam | 476 | Oneida | 45 38 30 N | 089 25 12 W |
| Rice 1907C335 Dam | Dam | 445 | Lincoln | 45 32 18 N | 089 44 43 W |
| Rice Lake Dam | Dam | 344 | Barron | 45 29 54 N | 091 44 01 W |
| Rice Lake Dam | Dam | 264 | Walworth | 42 46 42 N | 088 41 54 W |
| Richard H Jahnke 904 Dam | Dam | 238 | Pepin | 44 27 06 N | 092 04 43 W |
| Richards Mill 3WR1902 Dam | Dam | 241 | Marquette | 43 47 18 N | 089 26 42 W |
| Richardson Dam | Dam | 204 | Sheboygan | 43 43 18 N | 087 49 42 W |
| Ridler Dam | Dam | 333 | Polk | 45 23 48 N | 092 21 49 W |
| Ripon Dam | Dam | 281 | Fond du Lac | 43 50 42 N | 088 50 06 W |
| Riverdale Dam | Dam | 260 | St. Croix | 45 07 54 N | 092 38 25 W |
| Robert Coyier G9994 Dam | Dam | 327 | Iowa | 42 53 18 N | 090 20 00 W |
| Robert Sells 3WR814 Dam | Dam | 469 | Price | 45 53 18 N | 090 13 01 W |
| Rochester 2WP427 Dam | Dam | 232 | Racine | 42 39 42 N | 088 13 36 W |
| Rock 2WP297 Dam | Dam | 303 | Clark | 44 43 60 N | 090 50 49 W |
| Rock Falls Dam | Dam | 262 | Dunn | 44 43 06 N | 091 41 43 W |
| Rock Lake Dam | Dam | 229 | Kenosha | 42 30 12 N | 088 07 12 W |
| Rockdale Dam | Dam | 248 | Dane | 42 58 22 N | 089 01 56 W |
| Rockville Dam | Dam | 266 | Manitowoc | 43 55 12 N | 087 59 54 W |
| Rodolf Dam | Dam | 207 | Richland | 43 13 24 N | 090 28 00 W |
| Roger E McMullin 3WC80806 Dam | Dam | 408 | Monroe | 43 51 60 N | 090 34 30 W |
| Roger Swenson G-8498 Dam | Dam | 334 | Pierce | 44 51 36 N | 092 29 13 W |
| Rome 3WR1668 Dam | Dam | 253 | Jefferson | 42 58 55 N | 088 37 40 W |
| Ronald Winter H1876 Dam | Dam | 408 | Price | 45 28 30 N | 090 34 31 W |
| Rosemeyer G-9498 Dam | Dam | 377 | Taylor | 45 05 06 N | 090 51 30 W |
| Rosen Dam | Dam | 489 | Forest | 45 58 37 N | 088 53 22 W |
| Rothschild 1903C155 Dam | Dam | 353 | Marathon | 44 53 30 N | 089 37 36 W |
| Ruck Dam | Dam | 235 | Ozaukee | 43 17 48 N | 087 58 24 W |
| Rynearson 1 2WP282 Dam | Dam | 280 | Juneau | 44 02 48 N | 090 08 54 W |
| Rynearson 2 2WP282 Dam | Dam | 281 | Juneau | 44 03 28 N | 090 10 35 W |
| Saint Croix 2WP365 Dam | Dam | 308 | Douglas | 46 15 15 N | 091 55 21 W |
| Saint Croix Falls 1903-C24 Dam | Dam | 212 | Polk | 45 24 42 N | 092 38 55 W |
| Salow Lake G-3067 Dam | Dam | 304 | Waukesha | 43 02 36 N | 088 19 48 W |
| Sand Lake 2WP826 Dam | Dam | 398 | Sawyer | 45 51 06 N | 091 28 37 W |
| Sandstone Dam | Dam | 221 | Marinette | 45 14 02 N | 088 04 07 W |
| Sandstone Rapids WP214 Dam | Dam | 221 | Marinette | 45 13 60 N | 088 04 06 W |
| Saratoga Mill Dam | Dam | 248 | Waukesha | 43 00 48 N | 088 13 42 W |
| Sarazin G3407 Dam | Dam | 343 | Juneau | 43 47 48 N | 090 11 54 W |
| Satterlee G5136 Dam | Dam | 325 | Sauk | 43 35 12 N | 090 16 36 W |
| Saylesville Roller Mill Dam | Dam | 243 | Waukesha | 42 56 55 N | 088 19 26 W |
| Scandinavia Dam | Dam | 281 | Waupaca | 44 27 30 N | 089 08 54 W |
| Schiller Dam | Dam | 261 | Columbia | 43 28 24 N | 089 10 42 W |
| Schley E5190 Dam | Dam | 277 | Fond du Lac | 43 40 18 N | 088 34 00 W |
| Scholten Dam | Dam | 253 | Richland | 43 13 48 N | 090 21 42 W |
| School Section Lake 2WP284 Dam | Dam | 261 | Waukesha | 42 58 59 N | 088 30 32 W |
| Schraums Dam | Dam | 262 | Sauk | 43 26 12 N | 089 51 42 W |
| Schrauths Mill Dam | Dam | 297 | Fond du Lac | 43 33 54 N | 088 18 06 W |
| Schroeder G770 Dam | Dam | 369 | Shawano | 44 56 48 N | 089 00 18 W |
| Schultz G9976 Dam | Dam | 388 | Trempealeau | 44 11 42 N | 091 28 37 W |
| Schwahn 3NC78806 Dam | Dam | 280 | Adams | 43 53 42 N | 089 53 00 W |
| Scott Dam | Dam | 378 | Marinette | 45 39 29 N | 088 15 54 W |
| Secrist H2526 Dam | Dam | 231 | Buffalo | 44 24 24 N | 091 49 25 W |
| Sensnovis G 9115 Dam | Dam | 342 | Sauk | 43 35 24 N | 090 14 06 W |
| Seven Mile 1909c361 Dam | Dam | 502 | Oneida | 45 52 30 N | 089 04 12 W |
| Severson E5388 Dam | Dam | 487 | Price | 45 29 18 N | 090 05 37 W |
| Shamrock Lake WP156 Dam | Dam | 412 | Rusk | 45 32 18 N | 090 44 01 W |
| Shawano 3WR393 Dam | Dam | 244 | Shawano | 44 46 30 N | 088 37 12 W |
| Shay Dam | Dam | 491 | Iron | 46 14 12 N | 089 59 40 W |
| Shea 2WP240 Dam | Dam | 491 | Iron | 46 14 12 N | 089 59 43 W |