Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Chippewa Reservoir 1911C640 Dam | Dam | 390 | Sawyer | 45 53 18 N | 091 04 37 W |
| Chute 1865c371 Dam | Dam | 265 | Oconto | 45 07 51 N | 088 26 36 W |
| Cisco Lake Dam | Dam | 377 | Bayfield | 46 21 30 N | 091 15 01 W |
| Clam Falls 2-Wd-1009 Dam | Dam | 314 | Polk | 45 41 16 N | 092 17 49 W |
| Clam Lake 2WP1065 Dam | Dam | 290 | Burnett | 45 50 30 N | 092 18 55 W |
| Clam River 2WP516 Dam | Dam | 273 | Burnett | 45 56 44 N | 092 32 24 W |
| Clark County 1 Dam | Dam | 317 | Clark | 44 34 18 N | 090 51 19 W |
| Clark County 16 Dam | Dam | 314 | Clark | 44 40 06 N | 090 49 49 W |
| Clark County 5 2WP202 Dam | Dam | 300 | Clark | 44 32 60 N | 090 48 55 W |
| Clark County Number 10 G328 Dam | Dam | 319 | Clark | 44 37 42 N | 090 50 49 W |
| Clarks Mill Dam | Dam | 253 | Manitowoc | 44 05 42 N | 087 51 42 W |
| Clarks Mill Dam | Dam | 244 | Waushara | 44 13 48 N | 089 00 24 W |
| Clear Lake Dam | Dam | 436 | Taylor | 45 11 36 N | 090 26 01 W |
| Clintonville 2WP268 Dam | Dam | 244 | Waupaca | 44 37 24 N | 088 45 42 W |
| Cochrane Flood Control 3WR626 Dam | Dam | 291 | Buffalo | 44 26 60 N | 091 50 01 W |
| Coddington Dam 2WP2383 | Dam | 277 | Adams | 43 47 18 N | 089 38 24 W |
| Colfax 2WP1143 Dam | Dam | 283 | Dunn | 44 59 60 N | 091 43 31 W |
| Collins Marsh 2WP1976 Dam | Dam | 244 | Manitowoc | 44 04 60 N | 087 57 54 W |
| Colton 2WP641 Dam | Dam | 336 | Washburn | 46 08 60 N | 091 39 37 W |
| Columbia Mills Dam | Dam | 237 | Ozaukee | 43 18 00 N | 087 58 30 W |
| Combined Locks Dam | Dam | 204 | Outagamie | 44 16 30 N | 088 18 06 W |
| Conley E3663 1 Dam | Dam | 344 | Chippewa | 45 12 60 N | 091 18 31 W |
| Connor Forest Industries 1897C211 Dam | Dam | 476 | Forest | 45 33 60 N | 088 40 42 W |
| Conroy Ford 3WR374 Dam | Dam | 303 | Washburn | 45 59 12 N | 091 59 25 W |
| Coon Creek 14 D 6025 Dam | Dam | 321 | Vernon | 43 41 48 N | 090 52 24 W |
| Coon Creek 15 D 6025 Dam | Dam | 378 | Vernon | 43 40 48 N | 090 52 00 W |
| Coon Creek 16 D 6025 Dam | Dam | 333 | Vernon | 43 40 48 N | 090 51 00 W |
| Coon Creek 17 D 6025 Dam | Dam | 337 | Vernon | 43 41 18 N | 090 50 24 W |
| Coon Creek 21 D6025 Dam | Dam | 333 | Monroe | 43 43 54 N | 090 50 30 W |
| Coon Creek 23 D-6025 Dam | Dam | 333 | Monroe | 43 44 36 N | 090 50 30 W |
| Coon Creek 24 D6025 Dam | Dam | 341 | Monroe | 43 45 24 N | 090 50 24 W |
| Coon Creek 25 D-6025 Dam | Dam | 310 | Monroe | 43 44 60 N | 090 51 42 W |
| Coon Creek 29 D-6025 Dam | Dam | 353 | Monroe | 43 45 60 N | 090 53 48 W |
| Coon Creek 2WP1678 Dam | Dam | 295 | Eau Claire | 44 41 60 N | 091 01 07 W |
| Coon Creek 31 D-6025 Dam | Dam | 373 | Monroe | 43 46 54 N | 090 52 36 W |
| Coon Creek 33 D-6025 Dam | Dam | 346 | La Crosse | 43 46 60 N | 090 54 42 W |
| Coon Creek 35 D-6025 Dam | Dam | 273 | La Crosse | 43 45 24 N | 090 58 12 W |
| Coon Creek 53 D6025 Dam | Dam | 320 | Monroe | 43 44 42 N | 090 54 18 W |
| Coppermine Dam | Dam | 296 | Douglas | 46 12 53 N | 092 01 41 W |
| Cornell 2WP7 Dam | Dam | 305 | Chippewa | 45 09 51 N | 091 09 32 W |
| Corner Marsh Control Dam | Dam | 297 | Wood | 44 18 54 N | 090 07 42 W |
| Coulson H2047 Dam | Dam | 334 | Pierce | 44 43 06 N | 092 29 31 W |
| County Forest Crop Land 3 D-12.210 Dam | Dam | 346 | Chippewa | 45 12 42 N | 091 12 55 W |
| County Forest Crop Land 6 G 1137.1 Dam | Dam | 347 | Chippewa | 45 12 54 N | 091 01 48 W |
| Cox Hollow Number 2 2WP1783 Dam | Dam | 275 | Iowa | 43 01 36 N | 090 05 06 W |
| Cox Hollow Number One Dam | Dam | 286 | Iowa | 43 00 47 N | 090 06 20 W |
| Cragwood Corporation Number 2 H810 Dam | Dam | 405 | Polk | 45 36 18 N | 092 22 13 W |
| Craig Sticht H 862 Dam | Dam | 316 | Pierce | 44 34 54 N | 092 17 13 W |
| Cranberry Creek 2 2WP194 Dam | Dam | 289 | Juneau | 44 13 12 N | 090 03 54 W |
| Cranberry Creek 2WP2507 Dam | Dam | 454 | Price | 45 35 48 N | 090 25 19 W |
| Cranberry Creek 3 2WP194 Dam | Dam | 292 | Juneau | 44 14 24 N | 090 02 54 W |
| Cranberry Creek 5 2WP194 Dam | Dam | 290 | Juneau | 44 13 42 N | 090 04 12 W |
| Cranberry Creek Flowage 3WR402 Dam | Dam | 362 | Douglas | 46 27 12 N | 091 57 07 W |
| Cranberry Creek Wildlife G1997.1 Dam | Dam | 375 | Douglas | 46 17 42 N | 092 17 37 W |
| Cranberry Lake Dam | Dam | 463 | Price | 45 38 36 N | 090 24 13 W |
| Cranberry Marsh Reservoir 2WP1503 Dam | Dam | 291 | Jackson | 44 22 30 N | 090 23 30 W |
| Crazy Horse Creek G4327 Dam | Dam | 384 | Sawyer | 45 48 06 N | 091 07 19 W |
| Crex Meadows Dam | Dam | 288 | Burnett | 45 51 30 N | 092 36 13 W |
| Crex Meadows Dike 6 Dam | Dam | 285 | Burnett | 45 50 18 N | 092 40 31 W |
| Crex Meadows Dike 9 Flowage Dam | Dam | 283 | Burnett | 45 49 54 N | 092 40 43 W |
| Crex Meadows North Fork Dike D12.393 Dam | Dam | 286 | Burnett | 45 49 48 N | 092 35 49 W |
| Crex Meadows Phantom Lake Development Dam | Dam | 282 | Burnett | 45 49 36 N | 092 39 19 W |
| Crex Meadows Phantom Lake Development Dam | Dam | 282 | Burnett | 45 48 36 N | 092 39 01 W |
| Crowley Dam | Dam | 435 | Price | 45 52 07 N | 090 35 07 W |
| Crowley WP381 Dam | Dam | 430 | Price | 45 52 06 N | 090 35 07 W |
| Cruson Slough H2.117 Dam | Dam | 214 | Richland | 43 11 36 N | 090 14 06 W |
| Crystal Lake Dam | Dam | 257 | Dodge | 43 27 12 N | 088 48 12 W |
| Cummings Dam | Dam | 439 | Price | 45 52 43 N | 090 25 05 W |
| Curtis 2WP1601 Dam | Dam | 245 | Columbia | 43 29 18 N | 089 20 24 W |
| Cushman Dam | Dam | 247 | Jefferson | 42 57 39 N | 088 40 15 W |
| Cusick Number 1 G3448 Dam | Dam | 329 | Juneau | 43 43 36 N | 090 13 54 W |
| Cusick Number 2 G 3448 Dam | Dam | 317 | Juneau | 43 42 54 N | 090 12 54 W |
| Dahl G9844 Dam | Dam | 300 | Burnett | 45 44 48 N | 092 18 07 W |
| Dam Number Five | Dam | 301 | Clark | 44 32 59 N | 090 48 47 W |
| Dam Number Sixteen | Dam | 314 | Clark | 44 40 04 N | 090 49 52 W |
| Dam Number Ten | Dam | 318 | Clark | 44 37 42 N | 090 50 39 W |
| Dam Number Three | Dam | 320 | Clark | 44 34 24 N | 090 51 22 W |
| Dam Number Three | Dam | 205 | Pierce | 44 36 43 N | 092 36 37 W |
| Dam Number Twelve | Dam | 315 | Clark | 44 38 32 N | 090 50 01 W |
| Dam Number Two | Dam | 306 | Clark | 44 33 58 N | 090 48 31 W |
| Danbury 2WP696 Dam | Dam | 284 | Burnett | 45 59 48 N | 092 22 25 W |
| Danbury Dam | Dam | 287 | Burnett | 45 59 47 N | 092 22 41 W |
| Dandy Creek 11 2WP197 Dam | Dam | 277 | Monroe | 44 01 48 N | 090 22 42 W |
| Dandy Creek 6 C6118d6 Dam | Dam | 283 | Monroe | 44 04 24 N | 090 22 18 W |
| Dandy Creek 9 C6118-D9 Dam | Dam | 281 | Monroe | 44 03 30 N | 090 22 24 W |
| Danville Dam | Dam | 244 | Dodge | 43 19 18 N | 088 57 12 W |
| Dassow Milling Company Dam | Dam | 223 | Sheboygan | 43 43 54 N | 087 48 42 W |
| Dates Mill Dam | Dam | 241 | Columbia | 43 37 54 N | 089 22 06 W |
| Day Dam | Dam | 435 | Ashland | 46 10 36 N | 090 54 43 W |
| De Pere Dam | Dam | 179 | Brown | 44 26 52 N | 088 03 52 W |
| Deer Creek 2WP1328 Dam | Dam | 468 | Sawyer | 45 38 24 N | 091 23 55 W |
| Deer Lake D12.198 Dam | Dam | 397 | Forest | 45 25 54 N | 088 28 42 W |
| Deerskin River 2WP767 Dam | Dam | 496 | Vilas | 45 57 42 N | 089 08 12 W |
| Del Fatti Construction Number 1 G-8737 Dam | Dam | 381 | Marathon | 44 51 24 N | 090 12 24 W |
| Delafield Fish Hatchery Dam | Dam | 271 | Waukesha | 43 03 48 N | 088 24 06 W |
| Delavan 3WR1282 Dam | Dam | 271 | Walworth | 42 38 12 N | 088 39 00 W |
| Dell Creek WP 272 Dam | Dam | 252 | Sauk | 43 36 12 N | 089 46 06 W |
| Dells 1907C35 Dam | Dam | 232 | Eau Claire | 44 49 36 N | 091 30 43 W |
| Dells Dam | Dam | 234 | Eau Claire | 44 49 40 N | 091 30 42 W |
| Dells Lake Dam | Dam | 281 | Eau Claire | 44 43 32 N | 091 08 59 W |
| Dells Manor Dam | Dam | 267 | Sauk | 43 35 42 N | 089 48 24 W |
| Delton 3WR303 Dam | Dam | 264 | Sauk | 43 35 06 N | 089 47 48 W |
| Dennis Gisvold E4894 Dam | Dam | 437 | Taylor | 45 14 60 N | 090 34 01 W |
| Dennis Haglund G8609 Dam | Dam | 309 | Pierce | 44 36 36 N | 092 16 49 W |
| Depere Dam | Dam | 178 | Brown | 44 26 54 N | 088 03 48 W |
| Dettloff Paul 3WC77816 Dam | Dam | 306 | Trempealeau | 44 15 36 N | 091 20 25 W |
| Dexterville 2WP1566 Dam | Dam | 301 | Wood | 44 22 42 N | 090 07 00 W |
| Doering E12.129 Dam | Dam | 487 | Lincoln | 45 21 36 N | 089 31 00 W |
| Don Dosch Wildlife Flowage Dam | Dam | 335 | Polk | 45 14 48 N | 092 19 31 W |
| Donovan Robey Number 1 G 8180 Dam | Dam | 330 | Pierce | 44 48 30 N | 092 29 25 W |