| Dams |
| Iowa |
| Feature Name | County | Class | Latitude | Longitude | 1:24,000 USGS Topographic Map |
Elevation in Feet |
Feature ID# |
| Henry E Wallace Dam | Adair | Dam | 411145N | 0942609W | Orient | 1289 | 463513 |
| Meadow Lake Dam | Adair | Dam | 412315N | 0942614W | Rosserdale | 1257 | 463506 |
| Morman Trail Lake Dam | Adair | Dam | 411436N | 0943811W | Bridgewater | 1234 | 463512 |
| Lake Icaria Dam | Adams | Dam | 410254N | 0944559W | Carbon | 1230 | 463516 |
| Lock and Dam No | Allamakee | Dam | 431246N | 0910607W | Eastman | 617 | 458550 |
| Lock and Dam Number 9 | Allamakee | Dam | 431246N | 0910603W | Eastman | 633 | 1568480 |
| Mystic Reservoir Dam | Appanoose | Dam | 414729N | 0925645W | Alloway Creek | 889 | 463446 |
| Rathbun Dam | Appanoose | Dam | 405007N | 0925213W | Hiattsville | 886 | 460533 |
| Hannen Lake Dam | Benton | Dam | 415146N | 0920644W | Marengo | 820 | 463491 |
| Hickory Hills Recreation Dam | Benton | Dam | 421548N | 0921849W | Eagle Center | 906 | 463431 |
| Big Creek Terminal Dam | Boone | Dam | 414706N | 0934347W | Polk City | 938 | 463487 |
| Don Williams Lake Dam | Boone | Dam | 420648N | 0940107W | Ogden | 1073 | 463475 |
| Fontana Milldam | Buchanan | Dam | 423515N | 0915431W | Hazleton | 981 | 1669637 |
| West Prairie Church | Buchanan | Dam | 423515N | 0915432W | Hazleton | 981 | 462904 |
| Bennet Lake Dam | Cedar | Dam | 415447N | 0905510W | Oxford Junction | 725 | 463499 |
| Lake Fin-Feather Dam | Cerro Gordo | Dam | 430600N | 0931113W | Hanford | 1211 | 463462 |
| Mallard Marsh Dam Number One | Cerro Gordo | Dam | 431436N | 0932735W | Clear Lake West | 1201 | 463459 |
| Mallard Marsh Dam Number Three | Cerro Gordo | Dam | 431430N | 0932804W | Clear Lake West | 1201 | 463458 |
| Split Rock Lake Dam | Chickasaw | Dam | 425436N | 0921425W | Fredericksburg | 1060 | 463466 |
| West Lake Dam | Clarke | Dam | 410228N | 0934827W | Osceola | 1073 | 463528 |
| Lock and Dam No | Clayton | Dam | 424709N | 0910536W | Guttenberg | 646 | 458548 |
| Lock and Dam Number Ten | Clayton | Dam | 424706N | 0910543W | Guttenberg | 614 | 463467 |
| Lock and Dam No | Clinton | Dam | 415354N | 0900926W | Clinton NW | 584 | 458549 |
| Mississippi River Lock Dam Number Thirteen | Clinton | Dam | 415355N | 0900926W | Clinton NW | 610 | 463439 |
| Mill Creek Lake Dam | Crawford | Dam | 415848N | 0954025W | Dunlap NW | 1401 | 463429 |
| Lake Sundown Dam | Davis | Dam | 405012N | 0924301W | Unionville | 876 | 463518 |
| Lake Wapello Dam | Davis | Dam | 404915N | 0923314W | Paris | 840 | 463520 |
| Lake Delhi Dam | Delaware | Dam | 422429N | 0912044W | Earlville | 886 | 2634088 |
| Iowa Army Ammunition Plant Dam | Des Moines | Dam | 404657N | 0911511W | Danville | 600 | 463521 |
| Lock and Dam Number 18 | Des Moines | Dam | 405258N | 0910127W | Kingston | 528 | 465869 |
| Mississippi River Lock Dam Number Eighteen | Des Moines | Dam | 405301N | 0910134W | Kingston | 561 | 463537 |
| Lake Eleanor Dam | Dubuque | Dam | 422500N | 0903915W | Dubuque South | 833 | 463469 |
| Lock and Dam Number 11 | Dubuque | Dam | 423222N | 0903844W | Dubuque North | 597 | 465866 |
| Mississippi River Lock Dam Number Eleven | Dubuque | Dam | 423230N | 0903830W | Dubuque North | 600 | 463468 |
| Bays Branch Lake Dam | Guthrie | Dam | 414255N | 0941955W | Panora | 1040 | 463492 |
| Diamondhead Lake Dam | Guthrie | Dam | 413330N | 0941536W | Stuart North | 971 | 463444 |
| Lake Panorama Dam | Guthrie | Dam | 414145N | 0942251W | Guthrie Center East | 1047 | 463437 |
| Briggs Woods Lake Dam | Hamilton | Dam | 422624N | 0944734W | Lytton | 1234 | 463451 |
| Eldred Sherwood Park Lake Dam | Hancock | Dam | 425630N | 0933356W | Goodell | 1224 | 463463 |
| Pilot Knob Lake Dam | Hancock | Dam | 431501N | 0933335W | Pilot Knob | 1352 | 463452 |
| Upper Pine Lake Dam | Hardin | Dam | 422221N | 0930401W | Eldora | 981 | 463472 |
| Lake Hendricks Dam | Howard | Dam | 432215N | 0923259W | Riceville | 1220 | 463453 |
| Lyla Marsh Dam | Howard | Dam | 431706N | 0922807W | Saratoga | 1184 | 463455 |
| Joe Reasoner Dam | Humboldt | Dam | 424337N | 0941345W | Humboldt | 1079 | 457958 |
| Reasoner Dam | Humboldt | Dam | 424337N | 0941345W | Humboldt | 1079 | 1926114 |
| Rutland Dam | Humboldt | Dam | 424519N | 0941747W | Bode | 1086 | 1926200 |
| Grell Pond Dam | Ida | Dam | 422224N | 0953009W | Battle Creek | 1312 | 463470 |
| Moorehead Pioneer Park Dam | Ida | Dam | 422124N | 0952846W | Ida Grove | 1234 | 463471 |
| Iowa Lake Dam | Iowa | Dam | 413800N | 0921016W | Williamsburg NW | 810 | 463495 |
| Lakehurst Dam | Jackson | Dam | 420413N | 0904153W | Maquoketa | 666 | 1825077 |
| Schwenker Lake Dam | Jackson | Dam | 421458N | 0904615W | Leisure Lake | 879 | 463449 |
| Oakland Acres Dam | Jasper | Dam | 414305N | 0924939W | Oakland Acres | 892 | 463493 |
| Rock Creek Lake Dam | Jasper | Dam | 414413N | 0925107W | Oakland Acres | 869 | 463494 |
| Coralville Dam | Johnson | Dam | 414328N | 0913147W | Iowa City West | 741 | 455625 |
| Anamosa State Reformatory Dam | Jones | Dam | 420712N | 0911733W | Anamosa | 876 | 463480 |
| Central Park Lake Dam | Jones | Dam | 420645N | 0910814W | Morley | 945 | 463482 |
| Mon-Maq Dam | Jones | Dam | 421441N | 0911020W | Monticello | 794 | 2571119 |
| Buffalo Creek Game Management Dam | Kossuth | Dam | 431231N | 0940946W | Burt | 1122 | 463457 |
| Lake Smith Dam | Kossuth | Dam | 430716N | 0941416W | Algona | 1168 | 463460 |
| Oak Lake Dam | Kossuth | Dam | 430736N | 0941048W | Burt | 1152 | 463456 |
| Keokuk Dam | Lee | Dam | 402357N | 0912146W | Hamilton | 518 | 464422 |
| McDowell Lake Dam One | Lee | Dam | 402631N | 0912501W | Keokuk | 571 | 463447 |
| Pollimer Park Lake Dam | Lee | Dam | 404245N | 0912608W | West Point | 699 | 463544 |
| Shimek Forest Dam Three | Lee | Dam | 403830N | 0914244W | Farmington | 640 | 463542 |
| Stephens Forest Pond Dam | Lee | Dam | 410113N | 0932925W | Lucas | 909 | 463529 |
| Dam and Lock Number 17 | Louisa | Dam | 411128N | 0910334W | Toolesboro | 568 | 465663 |
| Mississippi River Lock Dam Number Seventeen | Louisa | Dam | 411130N | 0910331W | Toolesboro | 571 | 463514 |
| Sugar Creek Lake Dam | Madison | Dam | 413316N | 0935111W | Commerce | 892 | 463500 |
| Keomah Dam | Mahaska | Dam | 411745N | 0923216W | University Park | 725 | 463511 |
| Knoxville Pond Dam | Marion | Dam | 411818N | 0930725W | Knoxville | 909 | 463509 |
| Red Rock Dam | Marion | Dam | 412221N | 0925851W | Harvey | 725 | 463510 |
| Bartlett Hills Lake Dam | Mills | Dam | 405742N | 0954631W | Rock Bluff | 1040 | 463532 |
| Willow Slough Dam | Mills | Dam | 410555N | 0952749W | Emerson | 1010 | 463515 |
| Site C-12-1 Davis Battle Creek Dam | Monona | Dam | 415839N | 0954906W | Moorhead | 1204 | 463481 |
| Site H-4-2 Davis Battle Creek Dam | Monona | Dam | 415958N | 0954830W | Moorhead | 1211 | 463485 |
| Site H-4-4 Davis-Battle Creek Dam | Monona | Dam | 420025N | 0954837W | Mapleton SE | 1247 | 463474 |
| Lake Miami Dam | Monroe | Dam | 410720N | 0925037W | Albia | 820 | 463531 |
| Mississippi River Lock Dam Number Sixteen | Muscatine | Dam | 412538N | 0910038W | Muscatine | 548 | 463507 |
| Site C-12-2 Davis Battle Creek Dam | Muscatine | Dam | 415828N | 0954855W | Moorhead | 1181 | 463483 |
| Dog Creek Dam | O'Brien | Dam | 425612N | 0952802W | Sutherland East | 1312 | 467202 |
| Big Creek Barrier Dam | Polk | Dam | 414518N | 0934155W | Polk City | 823 | 463438 |
| Hickory Lake Dam | Polk | Dam | 414218N | 0933325W | Des Moines NE | 869 | 463497 |
| Saylorville Dam | Polk | Dam | 414213N | 0934050W | Des Moines NW | 906 | 461451 |
| Scott Street Dam | Polk | Dam | 413448N | 0933642W | Des Moines SE | 761 | 461491 |
| Woodland Lake Dam | Polk | Dam | 414521N | 0932656W | Loring | 935 | 463489 |
| Holiday Lake Dam | Poweshiek | Dam | 414900N | 0922647W | Belle Plaine SW | 892 | 463490 |
| Lake Ponderosa Dam | Poweshiek | Dam | 413445N | 0923456W | Montezuma | 853 | 463501 |
| Sun Valley Lake Dam | Ringgold | Dam | 405120N | 0941917W | Diagonal | 1112 | 463517 |
| Walnut Creek Duck Marsh Dam | Ringgold | Dam | 404130N | 0942001W | Benton | 1043 | 463525 |
| I-280 Lake Dam | Scott | Dam | 413124N | 0904028W | Davenport West | 702 | 463442 |
| Lock and Dam Number 14 | Scott | Dam | 413422N | 0902355W | Silvis | 574 | 465867 |
| Lock and Dam Number 15 | Scott | Dam | 413107N | 0903407W | Davenport East | 561 | 465868 |
| Mississippi River Lock Dam Number Fifteen | Scott | Dam | 413112N | 0903400W | Davenport East | 561 | 463504 |
| Mississippi River Lock Dam Number Fourteen | Scott | Dam | 413418N | 0902354W | Silvis | 568 | 463505 |
| Northeast Lake Dam | Scott | Dam | 413136N | 0904037W | Davenport West | 722 | 463503 |
| Twin Acres Lake Dam | Scott | Dam | 420025N | 0932031W | Colo | 1004 | 463477 |
| Prairie Rose Lake Dam | Shelby | Dam | 413600N | 0951346W | Prairie Rose Lake | 1197 | 463445 |
| Arnold Lake Dam | Story | Dam | 420336N | 0933607W | Ames East | 1001 | 463479 |
| Hendrickson Marsh Dam | Story | Dam | 415620N | 0931357W | Rhodes | 948 | 463526 |
| Hickory Grove Lake Dam | Story | Dam | 415928N | 0932149W | Collins | 981 | 463486 |
| McFarland Lake Dam | Story | Dam | 420544N | 0933416W | Ames East | 1001 | 463476 |
| Tama County Lake Dam | Tama | Dam | 420231N | 0923110W | Gladbrook SE | 919 | 463484 |
| Bedford Water Supply Dam | Taylor | Dam | 404057N | 0944246W | Bedford | 1142 | 463523 |
| Lake Maharry Dam | Taylor | Dam | 405344N | 0943316W | Lenox | 1257 | 463534 |
| Lake of the Three Fires Dam | Taylor | Dam | 404231N | 0944116W | Bedford | 1119 | 463435 |
| Wilson Lake Dam | Taylor | Dam | 405015N | 0943230W | Merle Junction | 1220 | 463538 |
| Windmill Lake Dam | Taylor | Dam | 404354N | 0944939W | Ladoga | 1115 | 463522 |
| Green Valley Lake Dam | Union | Dam | 410548N | 0942301W | Creston West | 1253 | 463527 |
| Lake Meyer Dam | Van Buren | Dam | 431100N | 0915419W | Fort Atkinson | 1250 | 463541 |
| Camp Arrowhead Lake Dam | Wapello | Dam | 415820N | 0922014W | Belle Plaine | 912 | 463535 |