|
Geography Home Browse by State Browse by Feature Definitions Top 10 |
|
|
Geography Home Browse by State Browse by Feature Definitions Top 10 |
Iowa Stream
|
|||
|
Feature Name
|
County
|
Latitude
|
Longitude
|
| Abbe Creek | Linn | 41.95333 | -91.52611 |
| Abes Fork | Tama | 41.89861 | -92.62028 |
| Ackley Creek | Floyd | 42.95194 | -92.86833 |
| Aldrich Creek | Ida | 42.30167 | -95.61611 |
| Alexander Creek | Fayette | 42.82833 | -91.81694 |
| Alleman Creek | Polk | 41.82722 | -93.63333 |
| Allen Creek | Pottawattamie | 41.45306 | -95.91889 |
| Alloway Creek | Jasper | 41.74556 | -92.95194 |
| Almoral Branch | Delaware | 42.51278 | -91.26694 |
| Ames Creek | Clinton | 41.77167 | -90.48083 |
| Anson Creek | Marshall | 42.04194 | -92.90139 |
| Apple Creek | Linn | 42.19806 | -91.80222 |
| Arcola Creek | Monona | 42.04917 | -95.99944 |
| Argo Slough | Lyon | 43.39528 | -95.94611 |
| Ash Branch | Taylor | 40.76556 | -94.61333 |
| Ashby Creek | Mills | 40.90556 | -95.26 |
| Asher Creek | Marshall | 42.0625 | -92.92333 |
| Ashton Creek | Ida | 42.53972 | -95.73417 |
| Bacon Creek | Woodbury | 42.47611 | -96.38444 |
| Bailey Creek | Franklin | 42.86028 | -93.12528 |
| Baker Creek | Van Buren | 40.72694 | -91.76056 |
| Bakers Creek | Dubuque | 42.38528 | -91.01722 |
| Baldwin Mason Creek | Cedar | 41.80444 | -91.31361 |
| Ballard Creek | Marion | 41.42139 | -93.15778 |
| Ballinger Creek | Mahaska | 41.40611 | -92.78944 |
| Bar Slough | Jackson | 42.19222 | -90.31944 |
| Barber Creek | Clinton | 41.76972 | -90.595 |
| Barlean Creek | Lee | 40.46583 | -91.48556 |
| Barlow Lake Drain | Des Moines | 41.02444 | -90.99444 |
| Barry Creek | O'Brien | 43.01444 | -95.42889 |
| Baskins Run | Bremer | 42.66444 | -92.39389 |
| Bass Creek | Fayette | 43.07667 | -91.88667 |
| Basswood Creek | Dubuque | 42.65528 | -90.80778 |
| Batten Branch | Davis | 40.60056 | -92.45361 |
| Battle Creek | Adair | 41.33306 | -94.35139 |
| Baugh Branch | Madison | 41.305 | -94.12722 |
| Baughmans Creek | Cass | 41.21444 | -95.15833 |
| Bay Branch | Guthrie | 41.66889 | -94.345 |
| Bealls Creek | Ringgold | 40.65472 | -94.17417 |
| Beamon Creek | Crawford | 42.20056 | -95.19861 |
| Bear Branch | Cass | 41.32667 | -95.04944 |
| Bear Creek | Allamakee | 43.12972 | -91.37611 |
| Beaver Creek | Black Hawk | 42.55972 | -92.48833 |
| Beaverdam Creek | Cerro Gordo | 42.93917 | -93.20806 |
| Bedell Creek | Pottawattamie | 41.47139 | -95.30667 |
| Bee Branch | Dubuque | 42.52722 | -90.68611 |
| Bee Creek | Decatur | 40.87556 | -93.84667 |
| Beemis Creek | Floyd | 42.97083 | -92.90111 |
| Beers Creek | Jackson | 42.07139 | -90.82167 |
| Bell Creek | Delaware | 42.335 | -91.255 |
| Benjamin Creek | Jasper | 41.72444 | -93.08528 |
| Bennett Creek | Cedar | 41.7 | -91.04417 |
| Berry Branch | Henry | 40.91944 | -91.67278 |
| Berrys Run | Linn | 42.06528 | -91.58389 |
| Bickel Branch | Van Buren | 40.76139 | -92.1225 |
| Big Bear Creek | Iowa | 41.81 | -92.08 |
| Big Creek | Crawford | 42.06389 | -95.37917 |
| Big Elkhorn Creek | Cedar | 41.60111 | -90.93194 |
| Big Hollow Creek | Des Moines | 40.91861 | -91.26639 |
| Big Indian Creek | Van Buren | 40.63889 | -91.74694 |
| Big Muddy Creek | Clay | 43.13444 | -95.09056 |
| Big Slough | Lee | 40.64333 | -91.19667 |
| Big Whisky Creek | Woodbury | 42.38778 | -96.24333 |
| Bigalks Creek | Winneshiek | 43.47417 | -92.07472 |
| Billups Branch | Van Buren | 40.5725 | -92.14583 |
| Birch Creek | Lee | 40.56972 | -91.5625 |
| Bitter Creek | Ida | 42.53278 | -95.74917 |
| Black Cat Creek | Kossuth | 43.11417 | -94.21 |
| Black Hawk Creek | Black Hawk | 42.50583 | -92.35806 |
| Black Oak Creek | Mahaska | 41.40778 | -92.79861 |
| Blair Creek | Cerro Gordo | 43.24 | -93.21111 |
| Bleubaugh Creek | Monroe | 40.97083 | -93.06667 |
| Blood Run | Lyon | 43.46472 | -96.585 |
| Bloody Run | Clayton | 43.04167 | -91.1775 |
| Blue Creek | Linn | 42.17583 | -91.83083 |
| Bluebell Creek | Dubuque | 42.70778 | -91.02833 |
| Bluebird Creek | Buena Vista | 42.89639 | -95.23833 |
| Bluegrass Creek | Audubon | 41.65361 | -94.89778 |
| Bluff Creek | Boone | 42.06389 | -93.96972 |
| Bohemian Creek | Winneshiek | 43.23833 | -91.98917 |
| Bonell Creek | Jefferson | 40.99667 | -92.08972 |
| Bonnell Creek | Lee | 40.68083 | -91.50083 |
| Bonnie Creek | Shelby | 41.63833 | -95.13444 |
| Boone River | Hamilton | 42.31056 | -93.93583 |
| Boulder Creek | Linn | 42.235 | -91.46222 |
| Box Elder Creek | Warren | 41.23889 | -93.70194 |
| Boyd Branch | Appanoose | 40.88694 | -92.66333 |
| Boyer Creek | Sac | 42.52639 | -95.20306 |
| Boyer River | Pottawattamie | 41.45306 | -95.91889 |
| Boylan Creek | Butler | 42.72417 | -92.92639 |
| Bradley Creek | Johnson | 41.62944 | -91.745 |
| Bradys Creek | Webster | 42.55 | -94.21667 |
| Branch Creek | Keokuk | 41.34611 | -92.11222 |
| Brandywine Creek | Henry | 41.01667 | -91.57139 |
| Brewers Creek | Hamilton | 42.45972 | -93.81111 |
| Bridge Creek | Keokuk | 41.30222 | -92.16861 |
| Britton Branch | Decatur | 40.69167 | -93.78333 |
| Broadhorn Creek | Warren | 41.23639 | -93.72111 |
| Brockamp Creek | Winneshiek | 43.09861 | -91.88806 |
| Broken Kettle Creek | Plymouth | 42.6275 | -96.51472 |
| Brooke Creek | Buena Vista | 42.88194 | -95.30167 |
| Brookside Creek | Clinton | 41.8525 | -90.24556 |
| Brophy Creek | Clinton | 41.76417 | -90.44639 |
| Brown Branch | Adams | 41.0125 | -94.66083 |
| Brown Creek | Emmet | 43.38 | -94.81028 |
| Bruce Branch | Adair | 41.38694 | -94.35167 |
| Bruce Creek | Fayette | 42.67306 | -91.59639 |
| Brush Creek | Appanoose | 40.65194 | -92.77167 |
| Buchanan Creek | Page | 40.60472 | -95.01778 |
| Buck Branch | Appanoose | 40.80694 | -92.87556 |
| Buck Creek | Bremer | 42.81278 | -92.14806 |
| Buck Run | Carroll | 42.16528 | -94.715 |
| Bucks Branch | Dallas | 41.8425 | -94.14528 |
| Bud Creek | Scott | 41.65694 | -90.34361 |
| Buffalo Creek | Benton | 41.9075 | -92.04722 |
| Buffington Creek | Louisa | 41.21444 | -91.37917 |
| Bulger Creek | Dallas | 41.53889 | -93.98139 |
| Bulgers Run | Washington | 41.47528 | -91.62222 |
| Bull Creek | Adams | 41.05028 | -94.83 |
| Bull Run | Audubon | 41.63139 | -95.06361 |
| Buncombe Creek | Dubuque | 42.32694 | -90.76583 |
| Bunker Chute | Dubuque | 42.67222 | -90.89528 |
| Burnett Creek | Marshall | 42.06861 | -92.90278 |
| Burr Oak Creek | Davis | 40.78167 | -92.22639 |
| Buss Creek | Crawford | 41.91333 | -95.555 |
| Butcher Creek | Marion | 41.33778 | -93.16194 |
| Butter Creek | Davis | 40.8075 | -92.35917 |
| Buttermilk Creek | Wright | 42.7375 | -93.92333 |
| Buttrick Creek | Greene | 41.97194 | -94.30806 |
| Buzzard Creek | Appanoose | 40.8875 | -92.69639 |
| Byers Branch | Jasper | 41.78417 | -93.28389 |
| Calamus Creek | Carroll | 41.90639 | -94.71 |
| Calhoun Creek | Marion | 41.43417 | -93.13306 |
| Calmus Creek | Cerro Gordo | 43.16639 | -93.1925 |
| Camp Creek | Black Hawk | 42.54333 | -92.07639 |
| Campbell Creek | Harrison | 41.53583 | -95.66028 |
| Campetine Creek | Marion | 41.36833 | -93.03667 |
| Cane Branch | Lucas | 41.11944 | -93.32333 |
| Canoe Creek | Winneshiek | 43.3675 | -91.61667 |
| Canyon Creek | Fremont | 40.78306 | -95.59139 |
| Carlan Creek | Clayton | 42.7325 | -91.16111 |
| Carls Creek | Appanoose | 40.79889 | -93.115 |
| Carruthers Creek | Monroe | 41.17111 | -93.05444 |
| Carson Creek | Jasper | 41.58722 | -93.04944 |
| Carter Creek | Plymouth | 42.64722 | -96.28028 |
| Cass Creek | Dallas | 41.685 | -94.26222 |
| Catfish Branch | Wayne | 40.82806 | -93.07639 |
| Catfish Creek | Dubuque | 42.46806 | -90.64472 |
| Catherall Creek | Appanoose | 40.7475 | -92.83861 |
| Caton Branch | Boone | 41.88306 | -93.86472 |
| Cavitt Creek | Warren | 41.42667 | -93.58194 |
| Cedar Creek | Greene | 42.12417 | -94.58389 |
| Cedar Fork Creek | Louisa | 40.92806 | -91.27556 |
| Cedar River | Louisa | 41.28306 | -91.34667 |
| Center Branch Fox River | Davis | 40.75222 | -92.5975 |
| Chariton Creek | Clarke | 40.93806 | -93.55333 |
| Chariton River | Appanoose | 39.24167 | -92.85278 |
| Chequest Creek | Van Buren | 40.74917 | -91.98917 |
| Cherry Creek | Clinton | 41.82028 | -90.40444 |
| Cheslea Creek | Cerro Gordo | 43.15556 | -93.22278 |
| Chicken Creek | Marshall | 42.09056 | -92.95083 |
| Chippewa Creek | Wapello | 40.92389 | -92.23778 |
| Christie Creek | Van Buren | 40.69694 | -91.79194 |
| Church Creek | Jefferson | 40.99611 | -92.02861 |
| Cipra Branch | Adams | 41.05722 | -94.53694 |
| Clanton Creek | Warren | 41.36611 | -93.735 |
| Clark Creek | Allamakee | 43.43028 | -91.36333 |
| Clarks Branch | Cass | 41.17 | -95.17306 |
| Clear Creek | Allamakee | 43.43361 | -91.40861 |
| Clemons Creek | Washington | 41.30306 | -91.73778 |
| Cline Branch | Jackson | 42.18556 | -90.77778 |
| Cline Creek | Delaware | 42.265 | -91.205 |
| Cloie Branch | Dubuque | 42.55417 | -90.74611 |
| Coal Creek | Dallas | 41.55056 | -94.10056 |
| Coal Valley Creek | Boone | 42.02778 | -93.94444 |
| Cobb Creek | Harrison | 41.83667 | -95.93 |
| Cobbville Creek | Decatur | 40.805 | -93.66806 |
| Coe Creek | Montgomery | 41.14611 | -95.17556 |
| Coffee Creek | Dubuque | 42.545 | -91.11611 |
| Coffins Creek | Delaware | 42.49889 | -91.47222 |
| Cold Stream | Linn | 41.99694 | -91.67639 |
| Cold Water Creek | Winneshiek | 43.42889 | -91.94194 |
| Coldwater Creek | Butler | 42.84444 | -92.75972 |
| Cole Creek | O'Brien | 42.91139 | -95.72778 |
| College Creek | Story | 42.025 | -93.63111 |
| Columbia Creek | Lucas | 41.15222 | -93.10944 |
| Competine Creek | Jefferson | 41.01667 | -92.12389 |
| Comstock Creek | Wapello | 41.08306 | -92.51611 |
| Conner Branch | Decatur | 40.49583 | -93.77 |
| Contrary Creek | Monroe | 40.97139 | -92.98 |
| Convey Creek | Johnson | 41.60278 | -91.85778 |
| Cook Creek | Van Buren | 40.60611 | -92.11806 |
| Cook Slough | Clinton | 42.02361 | -90.15278 |
| Cooksley Creek | Delaware | 42.42667 | -91.14722 |
| Coolegar Slough | Louisa | 41.25944 | -91.11111 |
| Coon Creek | Butler | 42.69472 | -92.94611 |
| Coonley Creek | Cherokee | 42.71389 | -95.56472 |
| Cooper Creek | Appanoose | 40.75583 | -92.81472 |
| Coppers Creek | Van Buren | 40.74722 | -91.89028 |
| Cordova Slough | Scott | 41.6875 | -90.33028 |
| Cota Creek | Allamakee | 43.1925 | -91.15833 |
| Cotton Creek | Warren | 41.18139 | -93.37 |
| Cottonwood Creek | Buena Vista | 42.88917 | -95.31167 |
| Cottonwood Drain | Des Moines | 40.89639 | -91.02583 |
| Coulee Creek | Fayette | 42.82917 | -91.825 |
| Cow Branch | Clayton | 42.67 | -91.28556 |
| Cox Creek | Clayton | 42.76889 | -91.43889 |
| Crabapple Creek | Audubon | 41.69028 | -94.8875 |
| Crane Creek | Black Hawk | 42.57111 | -92.11667 |
| Crescent Creek | Pottawattamie | 41.36361 | -95.87361 |
| Crooked Creek | Cass | 41.47528 | -94.87111 |
| Crow Creek | Jefferson | 40.94389 | -91.94083 |
| Crystal Creek | Clinton | 41.81111 | -90.57417 |
| Curran Branch | Dubuque | 42.36028 | -90.90972 |
| Curry Creek | Butler | 42.7275 | -92.58444 |
| Cylinder Creek | Palo Alto | 42.98222 | -94.52889 |
| Dailey Creek | Butler | 42.75944 | -92.85944 |
| Dark Chute | Clinton | 42.02222 | -90.15806 |
| Daugherty Creek | Taylor | 40.62917 | -94.75167 |
| Davids Creek | Audubon | 41.58722 | -94.88694 |
| Davis Creek | Boone | 41.995 | -93.88528 |
| Dead Brier Creek | Greene | 41.865 | -94.29667 |
| Dead Man Creek | Woodbury | 42.42111 | -96.31639 |
| Dedham Creek | Carroll | 41.91111 | -94.81917 |
| Deeds Creek | Lee | 40.78528 | -91.34389 |
| Deep Creek | Fayette | 42.825 | -91.585 |
| Deer Creek | Clayton | 42.98389 | -91.50083 |
| DeLongs Creek | Wright | 42.61778 | -93.50472 |
| Des Moines River | Lee | 40.38111 | -91.42222 |
| Devils Creek | Lee | 40.57972 | -91.4 |
| Devils Fork | Greene | 42.13111 | -94.26472 |
| Devils Run | Iowa | 41.6 | -92.12667 |
| Dick Creek | Wayne | 40.77778 | -93.40139 |
| Dickersons Branch | Decatur | 40.61306 | -93.78861 |
| Dickey Branch | Henry | 40.89111 | -91.50139 |
| Dickson Branch | Carroll | 42.12444 | -94.67944 |
| Diggins Slough | Louisa | 41.10611 | -91.08722 |
| Dirty Face Creek | Johnson | 41.55694 | -91.5525 |
| Dodges Creek | Scott | 41.45639 | -90.70861 |
| Doe Brook | Carroll | 42.09611 | -94.64 |
| Doe Creek | Clayton | 42.75194 | -91.34944 |
| Dog Creek | O'Brien | 42.92417 | -95.43556 |
| Dolbee Creek | Des Moines | 41.02278 | -91.02389 |
| Donaldson Creek | Scott | 41.46278 | -90.68083 |
| Douglas Creek | Mills | 41.02083 | -95.44694 |
| Dousman Creek | Allamakee | 43.08972 | -91.20944 |
| Dowd Creek | Hardin | 42.20556 | -93.03194 |
| Dry Branch | Des Moines | 40.83972 | -91.09944 |
| Dry Creek | Buchanan | 42.30056 | -91.70667 |
| Dry Mill Creek | Clayton | 42.84222 | -91.37306 |
| Dry Run | Black Hawk | 42.52667 | -92.43333 |
| Duck Creek | Allamakee | 43.47833 | -91.51889 |
| Duckworth Creek | Van Buren | 40.71056 | -91.99611 |
| Dugout Creek | Dickinson | 43.41944 | -95.27639 |
| Durion Creek | Delaware | 42.39556 | -91.13472 |
| Dutch Branch | Shelby | 41.55444 | -95.28194 |
| Dutch Creek | Jones | 42.09333 | -91.27556 |
| Dye Creek | Story | 41.99556 | -93.36861 |
| Eagle Creek | Wright | 42.54722 | -93.84417 |
| East Aldrich Creek | Ida | 42.33194 | -95.62833 |
| East Beaver Creek | Boone | 41.98722 | -94.10861 |
| East Big Creek | Linn | 42.05111 | -91.46361 |
| East Boyer River | Crawford | 42.01194 | -95.37139 |
| East Branch Beaverdam Creek | Cerro Gordo | 42.93917 | -93.20833 |
| East Branch Blue Creek | Linn | 42.19 | -91.82 |
| East Branch Boone River | Wright | 42.90444 | -93.87833 |
| East Branch Buckley Creek | Mahaska | 41.4925 | -92.82528 |
| East Branch Buffalo Creek | Buchanan | 42.56028 | -91.75667 |
| East Branch Iowa River | Wright | 42.86056 | -93.61361 |
| East Branch Keg Creek | Harrison | 41.51667 | -95.52861 |
| East Branch Lick Creek | Jefferson | 40.91861 | -92.05611 |
| East Branch Middle Platte River | Union | 40.95222 | -94.4175 |
| East Branch Panther Creek | Dallas | 41.655 | -94.11111 |
| East Branch Pine Creek | Buchanan | 42.54222 | -91.82139 |
| East Branch Salt Creek | Tama | 42.01111 | -92.35056 |
| East Branch Spring Creek | Black Hawk | 42.36194 | -92.09194 |
| East Branch Wapsinonoc Creek | Muscatine | 41.58389 | -91.24722 |
| East Branch West Nishnabotna River | Pottawattamie | 41.44528 | -95.35611 |
| East Branch Wolf Creek | Woodbury | 42.3475 | -96.02861 |
| East Buck Creek | Poweshiek | 41.55417 | -92.63278 |
| East Burr Oak Creek | Jasper | 41.77333 | -92.92583 |
| East Buttrick Creek | Greene | 42.05 | -94.28083 |
| East Cedar Creek | Calhoun | 42.29667 | -94.50139 |
| East Fork Battle Creek | Ida | 42.39722 | -95.57444 |
| East Fork Crooked Creek | Washington | 41.20056 | -91.60861 |
| East Fork Des Moines River | Humboldt | 42.67722 | -94.19722 |
| East Fork East Nodaway River | Adams | 41.075 | -94.53333 |
| East Fork Grand River | Ringgold | 40.59361 | -94.21444 |
| East Fork Hardin Creek | Greene | 42.04917 | -94.37 |
| East Fork Medicine Creek | Wayne | 40.60278 | -93.33222 |
| East Fork One Hundred and Two River | Taylor | 40.55806 | -94.82389 |
| East Fork Sabula Slough | Jackson | 42.09778 | -90.17306 |
| East Fork Wapsipinicon River | Bremer | 42.82222 | -92.24722 |
| East Fork Wolf Creek | Woodbury | 42.31472 | -96.00972 |
| East Grand Creek | Jasper | 41.72778 | -93.14778 |
| East Indian Creek | Linn | 42.10889 | -91.5625 |
| East Mill Creek | Page | 40.59333 | -95.1175 |
| East Morningside Creek | Woodbury | 42.44361 | -96.31111 |
| East Nishnabotna River | Fremont | 40.65194 | -95.62278 |
| East Nodaway River | Page | 40.635 | -95.01889 |
| East Otter Creek | Crawford | 42.18139 | -95.34167 |
| East Platte River | Adams | 40.90167 | -94.42722 |
| East River | Taylor | 40.79917 | -94.59639 |
| East Soldier River | Monona | 42.04111 | -95.71889 |
| East Tarkio Creek | Montgomery | 41.06111 | -95.10972 |
| Eightmile Branch | Page | 40.81583 | -95.31583 |
| Elbow Creek | Linn | 42.00278 | -91.48417 |
| Eldridge Slough | Jackson | 42.09278 | -90.16889 |
| Elk Creek | Chickasaw | 43.16694 | -92.43694 |
| Elk River | Clinton | 41.985 | -90.16194 |
| Elk Run | Black Hawk | 42.45972 | -92.27806 |
| Eller Branch | Cass | 41.38611 | -94.92972 |
| Elliott Creek | Winneshiek | 43.47111 | -92.00333 |
| Elm Creek | Cass | 41.22194 | -94.81111 |
| Elys Creek | Van Buren | 40.71833 | -91.98722 |
| Emery Creek | Lyon | 43.32444 | -96.11556 |
| Emigrant Creek | Crawford | 42.07111 | -95.59417 |
| Engels Creek | O'Brien | 43.20556 | -95.82222 |
| English Creek | Marion | 41.32833 | -92.92111 |
| Ensign Creek | Clayton | 42.75444 | -91.56611 |
| Epping Creek | O'Brien | 43.17611 | -95.51167 |
| Erickson Spring Branch | Allamakee | 43.29694 | -91.27833 |
| Esmay Slough | Jackson | 42.08861 | -90.18861 |
| Etter Creek | Chickasaw | 42.9125 | -92.33639 |
| Euclid Creek | Harrison | 41.54528 | -95.87528 |
| Eversoll Creek | Boone | 41.88583 | -93.85944 |
| Fannys Branch | Dallas | 41.85194 | -94.23861 |
| Farm Creek | Jones | 42.17972 | -90.9475 |
| Fawn Creek | Jones | 42.09306 | -91.27417 |
| Felters Branch | Warren | 41.39861 | -93.66583 |
| Fenchel Creek | Delaware | 42.62972 | -91.56889 |
| Fern Creek | Woodbury | 42.28611 | -95.88917 |
| Fiddle Creek | Cherokee | 42.66222 | -95.85778 |
| Fiddlers Creek | Ringgold | 40.61333 | -94.31861 |
| First Creek | Boone | 42.01167 | -93.92278 |
| Fish Creek | Henry | 40.85222 | -91.51889 |
| Fisher Creek | Fremont | 40.7525 | -95.43333 |
| Fitzgerald Creek | Winneshiek | 43.01528 | -91.67944 |
| Fivemile Creek | Wayne | 40.90028 | -93.36694 |
| Flank Creek | Warren | 41.23167 | -93.36056 |
| Flatrock Creek | Van Buren | 40.63556 | -91.79639 |
| Flay Creek | Cerro Gordo | 42.93556 | -93.40278 |
| Fletchall Creek | Ringgold | 40.53861 | -94.35167 |
| Fletcher Branch | Madison | 41.28722 | -94.09194 |
| Flint Creek | Des Moines | 40.83972 | -91.09917 |
| Flood Creek | Butler | 42.83361 | -92.715 |
| Floyd River | Woodbury | 42.48306 | -96.39139 |
| Fly Creek | Polk | 41.355 | -93.31583 |
| Fockler Creek | Butler | 42.60583 | -93.01528 |
| Fork Creek | Lee | 40.62889 | -91.29917 |
| Fountain Springs Creek | Delaware | 42.61833 | -91.29139 |
| Fourmile Creek | Audubon | 41.57278 | -94.79333 |
| Fox Run | Buena Vista | 42.88333 | -95.28806 |
| Freddeke Creek | Butler | 42.65667 | -92.73278 |
| French Creek | Allamakee | 43.42694 | -91.38861 |
| Frog Creek | Dallas | 41.82667 | -94.11583 |
| Frost Creek | Guthrie | 41.73861 | -94.61444 |
| Fudge Creek | Wapello | 41.11306 | -92.55583 |
| Fullington Creek | Jasper | 41.72083 | -93.20833 |
| Fultons Creek | Montgomery | 41.02722 | -94.99417 |
| Galls Creek | Hancock | 43.06722 | -93.62333 |
| Gard Branch | Ringgold | 40.83472 | -94.41444 |
| Gard Creek | Monona | 42.09667 | -96.00111 |
| Garretts Branch | Delaware | 42.50639 | -91.25639 |
| Gere Creek | Cherokee | 42.85111 | -95.62 |
| German Creek | Keokuk | 41.29139 | -92.12917 |
| Ginger Creek | O'Brien | 42.99556 | -95.61583 |
| Given Creek | Tama | 42.24917 | -92.54694 |
| Gizzard Creek | Floyd | 42.98972 | -92.54972 |
| Glover Creek | Fayette | 42.94806 | -91.77528 |
| Glynn Creek | Scott | 41.73694 | -90.52583 |
| Gobbler Creek | Keokuk | 41.22056 | -92.30389 |
| Goddard Creek | Winneshiek | 43.14028 | -91.9525 |
| Golden Branch | Delaware | 42.35861 | -91.39639 |
| Goodwater Creek | Lucas | 40.90528 | -93.14889 |
| Goose Creek | Cedar | 41.92722 | -92.97083 |
| Gooseberry Creek | Ringgold | 40.71944 | -94.16222 |
| Gower Creek | Johnson | 41.77833 | -91.30806 |
| Gran Creek | Butler | 42.5875 | -92.91472 |
| Granger Creek | Dubuque | 42.46417 | -90.66 |
| Grannis Creek | Fayette | 42.83472 | -91.70722 |
| Grants Creek | Lee | 40.55167 | -91.67 |
| Granville Creek | Sioux | 42.965 | -95.955 |
| Grape Chute | Lee | 40.65194 | -91.17972 |
| Grape Creek | Lee | 40.47389 | -91.48056 |
| Gray Creek | Cherokee | 42.80083 | -95.55528 |
| Graybill Creek | Pottawattamie | 41.16861 | -95.38583 |
| Grays Creek | Monroe | 41.16 | -92.65722 |
| Green Creek | Henry | 41.025 | -91.65806 |
| Greenbrier Creek | Dallas | 41.85861 | -94.24583 |
| Gritter Creek | Iowa | 41.53389 | -92.08083 |
| Grove Creek | Delaware | 42.28194 | -91.27417 |
| Grubb Run | Jefferson | 40.99639 | -92.05583 |
| Gypsum Creek | Webster | 42.45972 | -94.15778 |
| Haberkorn Creek | Dubuque | 42.58528 | -90.83167 |
| Hackberry Creek | Ringgold | 40.85556 | -94.13611 |
| Hainer Creek | Jackson | 42.07944 | -90.59139 |
| Halburn Creek | Carroll | 42.01 | -94.95278 |
| Halfway Creek | Ida | 42.50667 | -95.43139 |
| Hall Creek | Monona | 41.87778 | -95.88972 |
| Ham Branch | Appanoose | 40.86556 | -92.91333 |
| Hamilton Creek | Lucas | 40.95583 | -93.46556 |
| Hammers Creek | Grundy | 42.56694 | -92.56083 |
| Hanner Creek | Clarke | 41.16 | -93.85472 |
| Happy Run | Greene | 42.15333 | -94.44389 |
| Hardin Creek | Greene | 41.98083 | -94.31444 |
| Harris Grove Creek | Harrison | 41.61111 | -95.8125 |
| Harrows Branch | Wapello | 41.03083 | -92.43361 |
| Harter Creek | Buchanan | 42.48389 | -91.9 |
| Hartgrave Creek | Butler | 42.73167 | -92.94833 |
| Harts Mill Creek | Clinton | 40.97083 | -93.33639 |
| Haugh Creek | Fayette | 42.99333 | -92.05583 |
| Hawk Creek | Woodbury | 42.25611 | -95.7575 |
| Hawk Run | Marion | 41.3075 | -93.16361 |
| Hawkeye Creek | Des Moines | 41.02278 | -91.02389 |
| Hay Branch | Madison | 41.24722 | -93.87444 |
| Hay Creek | Crawford | 42.0325 | -95.23222 |
| Hazelton Creek | Buchanan | 42.62083 | -91.91056 |
| Heather Branch | Henry | 40.92639 | -91.55111 |
| Heatons Creek | Linn | 42.18417 | -91.49167 |
| Heisler Creek | Monona | 42.17778 | -95.78972 |
| Hell Hollow | Lee | 40.79833 | -91.37667 |
| Helmer Creek | Jones | 42.14333 | -91.35611 |
| Henchal Creek | Pottawattamie | 41.34056 | -95.73389 |
| Henry Creek | O'Brien | 42.93889 | -95.39306 |
| Hershey Slough | Muscatine | 41.43028 | -90.99667 |
| Hewett Creek | Clayton | 42.79611 | -91.50306 |
| Hewitt Creek | Dubuque | 42.48778 | -91.11417 |
| Hickory Creek | Allamakee | 43.12222 | -91.39139 |
| Hine Creek | Kossuth | 42.90944 | -94.3 |
| Hinkle Creek | Benton | 42.17278 | -92.02583 |
| Hockeys Slough | Johnson | 41.47722 | -91.2775 |
| Hoffman Creek | Harrison | 41.69917 | -95.83556 |
| Hog Branch | Taylor | 40.78028 | -94.59389 |
| Hog Creek | Decatur | 40.65528 | -93.58361 |
| Hog Theif Creek | Lee | 40.38667 | -91.4475 |
| Hogans Branch | Dubuque | 42.4725 | -90.91944 |
| Holcomb Creek | Van Buren | 40.8325 | -92.08194 |
| Holland Creek | Grundy | 42.38667 | -92.79278 |
| Holliday Creek | Webster | 42.43556 | -94.09861 |
| Honey Creek | Appanoose | 40.84528 | -92.90333 |
| Horton Creek | Bremer | 42.82472 | -92.50639 |
| Howard Creek | Clayton | 42.92944 | -91.38333 |
| Howerdon Creek | Madison | 41.38111 | -94.09556 |
| Hoyts Branch | Cass | 41.26306 | -94.90056 |
| Hubbel Slough | Jackson | 42.04833 | -90.17278 |
| Hunter Branch | Fremont | 40.805 | -95.46278 |
| Hunter Creek | Buchanan | 42.54389 | -91.94333 |
| Hurstville Branch | Jackson | 42.09833 | -90.67889 |
| Indian Creek | Black Hawk | 42.39722 | -92.21639 |
| Inghram Branch | Monroe | 40.99472 | -92.90694 |
| Iowa River | Louisa | 41.16056 | -91.02361 |
| Iowa Slough | Louisa | 41.08611 | -90.99167 |
| Irish Hollow Creek | Allamakee | 43.45833 | -91.32778 |
| Irwin Creek | Wayne | 40.51333 | -93.48667 |
| Jack Creek | Lee | 40.53639 | -91.41833 |
| Jackson Creek | Wayne | 40.80333 | -93.21639 |
| Jess Branch | Jackson | 42.15472 | -90.54917 |
| Jim Branch | Cass | 41.37667 | -94.96306 |
| Jim Creek | Boone | 41.93861 | -94.10833 |
| Johnny Creek | Louisa | 41.22333 | -91.37917 |
| Johns Creek | Dubuque | 42.31861 | -90.92306 |
| Joles Creek | Clayton | 42.72806 | -91.14389 |
| Jonathan Creek | Decatur | 40.75556 | -93.635 |
| Jones Branch | Jefferson | 40.925 | -91.80361 |
| Jones Creek | Allamakee | 43.29722 | -91.35917 |
| Jordan Creek | Iowa | 41.63306 | -92.28139 |
| Joy Creek | Plymouth | 42.66889 | -96.55417 |
| Jurdan Creek | Jones | 42.21333 | -91.0725 |
| Justins Creek | Linn | 42.23583 | -91.565 |
| Kappes Creek | Osceola | 43.34194 | -95.77667 |
| Keg Creek | Mills | 40.975 | -95.82639 |
| Keigley Branch | Story | 42.10222 | -93.57944 |
| Keller Creek | Woodbury | 42.3225 | -95.83028 |
| Kemp Creek | Adams | 40.96528 | -94.83361 |
| Kettle Creek | Wapello | 41.0125 | -92.4325 |
| Kibbe Creek | Tama | 42.10667 | -92.44278 |
| Kidds Creek | Shelby | 41.77222 | -95.31306 |
| Kilgore Creek | Decatur | 40.59944 | -93.67806 |
| Kilson Creek | Butler | 42.68167 | -92.81722 |
| Kilsons Branch | Butler | 42.59583 | -92.81889 |
| Kinser Creek | Monroe | 40.92556 | -92.76111 |
| Kirk Branch | Marion | 41.24194 | -93.27222 |
| Kitty Creek | Jones | 42.2425 | -91.17833 |
| Kleinlein Creek | Clayton | 42.74528 | -91.49861 |
| Klock Creek | Bremer | 42.66083 | -92.52389 |
| Klondike Creek | Lyon | 43.38083 | -96.52194 |
| Knack Creek | Webster | 42.2675 | -94.0425 |
| Knapp Creek | Johnson | 41.785 | -91.75944 |
| Knotty Creek | Des Moines | 40.85139 | -91.15333 |
| Koker Creek | Woodbury | 42.24194 | -95.69972 |
| Kosar Branch | Adams | 41.10528 | -94.54722 |
| Krumm Creek | Winneshiek | 43.13972 | -91.95194 |
| Kuder Creek | Ringgold | 40.63333 | -94.01833 |
| L Esmay Slough | Jackson | 42.07639 | -90.17417 |
| Lake Creek | Calhoun | 42.2425 | -94.78278 |
| Lamalees Creek | Lee | 40.46306 | -91.38389 |
| Lamkin Creek | O'Brien | 43.14361 | -95.82278 |
| Lamont Creek | Buchanan | 42.59778 | -91.62972 |
| Landphere Creek | Butler | 42.65472 | -92.63944 |
| Lange Creek | O'Brien | 42.95389 | -95.715 |
| Lapworth Creek | Pottawattamie | 41.36083 | -95.87778 |
| Lateral Ditch Number Eight | Fremont | 40.6875 | -95.72222 |
| Lawrence Creek | Henry | 40.97722 | -91.45583 |
| Lead Island Chute | Lee | 40.64472 | -91.26306 |
| Ledgewood Creek | Fremont | 40.69722 | -95.55111 |
| Leisure Creek | Dubuque | 42.60972 | -90.70083 |
| Lexington Creek | Clay | 43.06722 | -95.05722 |
| Lick Creek | Davis | 40.86528 | -92.35306 |
| Lighting Creek | Marion | 41.44167 | -92.93056 |
| Lillibridge Creek | Cerro Gordo | 42.92222 | -93.17778 |
| Lime Creek | Benton | 42.28778 | -92.02556 |
| Limestone Creek | Warren | 41.17917 | -93.77556 |
| Lindsey Creek | Delaware | 42.54722 | -91.42222 |
| Linn Creek | Marshall | 42.05722 | -92.86861 |
| Little Asher Creek | Marshall | 42.16528 | -92.93944 |
| Little Avery Creek | Monroe | 41.02639 | -92.72 |
| Little Bear Creek | Benton | 42.0775 | -91.845 |
| Little Bluff Creek | Mahaska | 41.2 | -92.73528 |
| Little Buffalo Creek | Kossuth | 43.24667 | -94.04278 |
| Little Cedar Creek | Henry | 40.86944 | -91.69222 |
| Little Cedar River | Chickasaw | 42.95056 | -92.52722 |
| Little Competine Creek | Jefferson | 41.07611 | -92.16361 |
| Little Coon Creek | Tama | 42.19417 | -92.45694 |
| Little Creek | Keokuk | 41.49056 | -91.96139 |
| Little Elk Creek | Jasper | 41.53 | -92.88972 |
| Little Elkhorn Creek | Audubon | 41.60111 | -94.99167 |
| Little Floyd River | Sioux | 43.15667 | -95.86944 |
| Little Fourmile Creek | Polk | 41.5975 | -93.525 |
| Little Fox River | Van Buren | 40.61472 | -92.06639 |
| Little Indian Creek | Audubon | 41.60111 | -94.99194 |
| Little Lick Creek | Van Buren | 40.81972 | -91.96306 |
| Little Maple River | Cherokee | 42.56778 | -95.44194 |
| Little Maquoketa River | Dubuque | 42.5775 | -90.68083 |
| Little Meadow Creek | Clay | 43.19944 | -95.11056 |
| Little Mill Creek | Clinton | 41.83417 | -90.28722 |
| Little Mosquito Creek | Muscatine | 41.53639 | -91.13833 |
| Little Muddy Creek | Clay | 43.1525 | -95.0875 |
| Little Paint Creek | Allamakee | 43.17472 | -91.23 |
| Little Pigeon Creek | Harrison | 41.65972 | -95.59417 |
| Little Potomac Creek | Henry | 41.03611 | -91.56167 |
| Little River | Decatur | 40.60528 | -93.69361 |
| Little Rock River | Lyon | 43.2625 | -96.24722 |
| Little Rollins Creek | Van Buren | 40.61722 | -91.73306 |
| Little Shoal Creek | Appanoose | 40.60167 | -92.93389 |
| Little Silver Creek | Pottawattamie | 41.22389 | -95.62444 |
| Little Snipe Creek | Jasper | 41.82306 | -93.03667 |
| Little Soap Creek | Davis | 40.88639 | -92.30472 |
| Little Soldier Creek | Ida | 42.24889 | -95.45889 |
| Little Sugar Creek | Lee | 40.64389 | -91.59861 |
| Little Tarkio Creek | Mills | 40.98083 | -95.11417 |
| Little Turkey Creek | Howard | 43.23556 | -92.20806 |
| Little Turkey River | Clayton | 42.70639 | -91.06972 |
| Little Walnut Creek | Appanoose | 40.80333 | -92.88056 |
| Little Wapsipinicon River | Buchanan | 42.535 | -92.03083 |
| Little Whisky Creek | Woodbury | 42.40222 | -96.265 |
| Little White Breast Creek | Lucas | 41.14167 | -93.34833 |
| Little Wolf Creek | Tama | 42.20583 | -92.74528 |
| Lizard Creek | Clinton | 41.82472 | -90.85611 |
| Locke Branch | Davis | 40.80806 | -92.20056 |
| Loefler Creek | Union | 41.11806 | -94.13306 |
| Lone Grove Creek | Guthrie | 41.67528 | -94.57972 |
| Lone Tree Branch | Cass | 41.34722 | -94.99 |
| Lone Willow Creek | Audubon | 41.75472 | -95.06306 |
| Long Branch | Appanoose | 40.60361 | -92.72056 |
| Long Dick Creek | Story | 42.16944 | -93.57583 |
| Longs Branch | Montgomery | 41.03806 | -94.99417 |
| Lonzo Creek | Taylor | 40.8925 | -94.70361 |
| Loon Creek | Dickinson | 43.49028 | -95.10139 |
| Lost Branch | Greene | 42.17472 | -94.33417 |
| Lost Island Outlet | Clay | 43.09556 | -95.05833 |
| Lotts Creek | Humboldt | 42.87778 | -94.17222 |
| Lum Hollow Creek | Woodbury | 42.27028 | -96.05306 |
| Lund Creek | Ida | 42.30444 | -95.60361 |
| Lundys Creek | Boone | 42.11667 | -93.7175 |
| Lutes Creek | Marshall | 41.91833 | -92.87917 |
| Lux Creek | Jackson | 42.35889 | -90.54 |
| Lynn Creek | Henry | 41.01639 | -91.58083 |
| Lyons Chute | Clinton | 41.8875 | -90.16889 |
| Lyons Creek | Hamilton | 42.46667 | -93.81028 |
| Lytle Creek | Jackson | 42.1875 | -90.75194 |
| Lytles Creek | Harrison | 41.5625 | -95.57083 |
| Mad Creek | Muscatine | 41.42417 | -91.03528 |
| Malone Creek | Buchanan | 42.45806 | -91.88028 |
| Malony Branch | Crawford | 41.97083 | -95.17083 |
| Mamie Creek | Pottawattamie | 41.33278 | -95.66194 |
| Manson Branch | Appanoose | 40.73444 | -92.89556 |
| Maple Creek | Cherokee | 42.72167 | -95.475 |
| Maple River | Monona | 41.99972 | -95.98194 |
| Maquoketa River | Jackson | 42.18833 | -90.30944 |
| Marks Branch | Decatur | 40.57694 | -93.67639 |
| Marsh Creek | Chickasaw | 42.96861 | -92.20417 |
| Martha Creek | Winneshiek | 43.37944 | -92.005 |
| Martin Creek | Linn | 41.99139 | -91.51 |
| Mason Creek | Cedar | 41.8175 | -91.2925 |
| Max Creek | Butler | 42.57667 | -92.72417 |
| Maynes Creek | Butler | 42.70444 | -92.90056 |
| McAllister Creek | Johnson | 41.81361 | -91.64583 |
| McCarty Creek | Scott | 41.615 | -90.345 |
| McCleerey Creek | Monona | 42.13472 | -95.83056 |
| McClure Creek | Butler | 42.63889 | -92.6375 |
| McCreath Creek | O'Brien | 43.01806 | -95.44333 |
| McDonald Creek | Scott | 41.76861 | -90.51861 |
| McElhaney Creek | Woodbury | 42.49472 | -96.07528 |
| McGruder Creek | Decatur | 40.67278 | -93.77167 |
| McMaster Creek | Monona | 42.15917 | -95.97778 |
| McPherron Creek | Fremont | 40.89444 | -95.7425 |
| Mead Creek | Howard | 43.24222 | -92.45167 |
| Menneika Creek | Wapello | 41.11167 | -92.49972 |
| Metz Creek | Adams | 40.97111 | -94.50972 |
| Michaels Creek | Louisa | 41.23333 | -91.11056 |
| Middle Avery Creek | Wapello | 41.09778 | -92.54083 |
| Middle Beaver Creek | Boone | 41.98972 | -94.11306 |
| Middle Branch Blue Earth River | Kossuth | 43.57194 | -94.10306 |
| Middle Branch Boone River | Hancock | 42.91139 | -93.87139 |
| Middle Branch Buckley Creek | Mahaska | 41.49444 | -92.82278 |
| Middle Branch One Hundred and Two River | Taylor | 40.80306 | -94.80667 |
| Middle Branch Wapsinonoc Creek | Muscatine | 41.57528 | -91.24972 |
| Middle Buck Creek | Poweshiek | 41.55361 | -92.63389 |
| Middle Creek | Mahaska | 41.34333 | -92.44083 |
| Middle Fork Catfish Creek | Dubuque | 42.46972 | -90.67722 |
| Middle Fork Grand River | Ringgold | 40.58944 | -94.33083 |
| Middle Fork Little Maquoketa River | Dubuque | 42.56889 | -90.805 |
| Middle Fork Medicine Creek | Wayne | 40.59639 | -93.35556 |
| Middle Fork One Hundred and Two River | Taylor | 40.55806 | -94.82389 |
| Middle Fork South Beaver Creek | Grundy | 42.49889 | -92.85972 |
| Middle Mill Creek | Page | 40.60667 | -95.11 |
| Middle Minerva Creek | Marshall | 42.12194 | -93.14528 |
| Middle Nodaway River | Montgomery | 40.90472 | -94.99833 |
| Middle Otter Creek | Clarke | 41.11917 | -93.64167 |
| Middle Platte River | Taylor | 40.88333 | -94.43472 |
| Middle Raccoon River | Dallas | 41.57222 | -94.19472 |
| Middle River | Warren | 41.4825 | -93.40167 |
| Middle Silver Creek | Pottawattamie | 41.16639 | -95.59472 |
| Middle Soldier River | Monona | 42.04917 | -95.67556 |
| Middle Tarkio Creek | Page | 40.45 | -95.37222 |
| Middle Timber Creek | Marshall | 41.97972 | -92.89278 |
| Middle Walnut Creek | Jefferson | 41.10917 | -91.88417 |
| Middle Willow Creek | Crawford | 41.96333 | -95.66778 |
| Miles Branch | Davis | 40.85556 | -92.1475 |
| Milford Creek | Dickinson | 43.31306 | -95.175 |
| Mill Branch | Jasper | 41.51139 | -93.32639 |
| Mill Creek | Boone | 42.02333 | -93.93028 |
| Mill Race | Fayette | 42.95694 | -91.62583 |
| Mill Slough | Dallas | 41.61556 | -94.01222 |
| Miller Creek | Black Hawk | 42.38472 | -92.21556 |
| Mineral Creek | Allamakee | 43.42139 | -91.50611 |
| Miners Creek | Clayton | 42.7725 | -91.09472 |
| Minerva Creek | Marshall | 42.12028 | -93.03278 |
| Minimum Creek | Pottawattamie | 41.29806 | -95.41222 |
| Mink Creek | Fayette | 42.83778 | -91.5975 |
| Minnesota Slough | Allamakee | 43.48167 | -91.23167 |
| Minnie Brook | Plymouth | 42.62528 | -96.19778 |
| Minnow Creek | Tama | 41.99694 | -92.58833 |
| Minor Creek | Howard | 43.41306 | -92.01556 |
| Mitchell Creek | Jefferson | 40.99083 | -92.02167 |
| Moffatt Branch | Monroe | 40.93944 | -92.92778 |
| Moine Creek | Fayette | 42.78056 | -91.69 |
| Monkey Run | Louisa | 41.28472 | -91.38111 |
| Monks Creek | Lee | 40.54361 | -91.62194 |
| Montgomery Creek | Boone | 42.12417 | -93.74194 |
| Moon Creek | Lyon | 43.43694 | -96.1675 |
| Moore Creek | Adams | 41.145 | -94.82444 |
| Moose Creek | Woodbury | 42.26361 | -96.00111 |
| Morgan Branch | Davis | 40.87972 | -92.3325 |
| Morgan Creek | Linn | 42.00306 | -91.74444 |
| Mormon Branch | Mills | 40.96556 | -95.2625 |
| Mormon Creek | Monroe | 40.91167 | -92.74333 |
| Mormon Pool | Decatur | 40.83306 | -93.62639 |
| Moser Creek | Shelby | 41.75889 | -95.46 |
| Mosquito Creek | Dallas | 41.60556 | -94.21083 |
| Moulfon Creek | Butler | 42.71139 | -92.66 |
| Mount Zion Branch | Adams | 41.0325 | -94.59972 |
| Mouse Creek | Lucas | 41.09972 | -93.48778 |
| Muchakinock Creek | Mahaska | 41.15667 | -92.63944 |
| Muchikinock Creek | Polk | 41.66556 | -93.54917 |
| Mud Creek | Benton | 41.9775 | -92.00444 |
| Mullens Creek | Howard | 43.39389 | -92.06194 |
| Munns Creek | Grundy | 42.35111 | -92.68389 |
| Murphy Branch | Dallas | 41.84667 | -93.83806 |
| Murray Creek | Clay | 42.95278 | -95.42333 |
| Muscatine Slough | Louisa | 41.25194 | -91.11583 |
| Nagle Creek | Fayette | 42.80222 | -91.5325 |
| Nash Creek | Buchanan | 42.40556 | -91.77 |
| Neele Branch | Page | 40.77472 | -94.995 |
| Neeley Creek | Fremont | 40.695 | -95.70889 |
| Negro Creek | Clinton | 41.88611 | -90.59278 |
| Nelson Creek | Linn | 42.12694 | -91.76528 |
| Neola Creek | Pottawattamie | 41.44111 | -95.61889 |
| New York Branch | Hamilton | 42.39083 | -93.43361 |
| Newcom Creek | Crawford | 42.19111 | -95.26889 |
| Nicholson Creek | Cedar | 41.75417 | -91.2725 |
| Nickolson Creek | Marshall | 42.05472 | -92.83417 |
| Ninemile Creek | Adair | 41.24722 | -94.27056 |
| No Business Creek | Page | 40.66389 | -95.03028 |
| Noah Creek | Boone | 42.02861 | -93.94528 |
| Nodaway River | Page | 40.59444 | -95.01667 |
| Norfolk Creek | Allamakee | 43.16139 | -91.46778 |
| North Avery Creek | Wapello | 41.08722 | -92.58111 |
| North Bear Creek | Winneshiek | 43.44833 | -91.61556 |
| North Beaver Creek | Butler | 42.59694 | -92.94028 |
| North Branch Big Creek | Henry | 40.99139 | -91.49639 |
| North Branch Elk River | Clinton | 42.01444 | -90.24306 |
| North Branch Lizard Creek | Pocahontas | 42.64111 | -94.47528 |
| North Branch North River | Madison | 41.42472 | -93.91472 |
| North Branch Old Mans Creek | Johnson | 41.61333 | -91.70111 |
| North Branch Turkey River | Howard | 43.34139 | -92.18167 |
| North Branch Volga River | Fayette | 42.83139 | -91.91278 |
| North Branch West Nodaway River | Page | 40.74417 | -95.01361 |
| North Canoe Creek | Winneshiek | 43.38167 | -91.77417 |
| North Cedar Creek | Clayton | 42.9675 | -91.22556 |
| North Coal Creek | Mahaska | 41.23528 | -92.77111 |
| North Creek | Appanoose | 40.60861 | -92.93306 |
| North Elm Creek | Madison | 41.385 | -93.89111 |
| North English River | Iowa | 41.58083 | -92.07667 |
| North Fabius Creek | Davis | 40.63389 | -92.50056 |
| North Fork Black Hawk Creek | Grundy | 42.37639 | -92.5375 |
| North Fork Catfish Creek | Dubuque | 42.48306 | -90.70444 |
| North Fork Clanton Creek | Madison | 41.21472 | -93.9425 |
| North Fork Floyd River | O'Brien | 43.24333 | -95.70222 |
| North Fork Little Maquoketa River | Dubuque | 42.55944 | -90.77306 |
| North Fork Long Creek | Washington | 41.26694 | -91.51472 |
| North Fork Maquoketa River | Jackson | 42.08694 | -90.66944 |
| North Fork South Beaver Creek | Grundy | 42.49556 | -92.86694 |
| North Fork Walnut Creek | Jones | 42.0025 | -91.26444 |
| North Fork Yellow River | Winneshiek | 43.13889 | -91.60889 |
| North Fox Creek | Davis | 40.75806 | -92.54722 |
| North Hoosier Creek | Clarke | 40.95972 | -93.69611 |
| North Onion Creek | Boone | 42.05583 | -93.73833 |
| North Otter Creek | Clarke | 41.11917 | -93.64167 |
| North Picayune Creek | Harrison | 41.77222 | -95.63528 |
| North Pigeon Creek | Pottawattamie | 41.415 | -95.81889 |
| North Raccoon River | Dallas | 41.54417 | -93.96611 |
| North River | Polk | 41.51472 | -93.44639 |
| North Skunk River | Keokuk | 41.24861 | -92.02639 |
| North Spring Branch | Jackson | 42.23167 | -90.76417 |
| North Timber Creek | Marshall | 41.99889 | -92.85167 |
| North Turkey Creek | Adair | 41.42972 | -94.39472 |
| North Walnut Creek | Jefferson | 41.10306 | -91.86056 |
| North Wildcat Creek | Marion | 41.42194 | -93.21583 |
| North Wyaconda River | Davis | 40.60056 | -92.20944 |
| Norway Creek | Monona | 41.9425 | -95.81028 |
| Nugents Creek | Linn | 42.27139 | -91.51028 |
| Nutting Creek | Fayette | 43.02222 | -91.72194 |
| O'Connell Slough | Des Moines | 40.82333 | -91.09778 |
| Ocheyedan River | Clay | 43.13611 | -95.1525 |
| Odebolt Creek | Ida | 42.35028 | -95.47944 |
| Odell Branch | Delaware | 42.6175 | -91.30806 |
| Oil Spring Creek | Allamakee | 43.22 | -91.1225 |
| Old Channel Little Sioux River | Woodbury | 42.33528 | -95.8875 |
| Old Channel Lost Creek | Scott | 41.73806 | -90.42778 |
| Old Channel Lost Creek (historical) | Scott | 41.76194 | -90.44333 |
| Old Mans Creek | Johnson | 41.54 | -91.52611 |
| Old Womans Creek | Johnson | 41.60861 | -91.63917 |
| Olive Branch | Mahaska | 41.25639 | -92.41056 |
| Onion Creek | Pottawattamie | 41.44778 | -95.74083 |
| Orange City Slough | Sioux | 42.93139 | -96.16917 |
| Orman Creek | Madison | 41.39111 | -94.06694 |
| Osborne Creek | Mills | 41.07083 | -95.61389 |
| Osterman Creek | Osceola | 43.41194 | -95.57639 |
| Otter Creek | Buchanan | 42.49972 | -91.95917 |
| Outlet Creek | Buena Vista | 42.59667 | -95.05056 |
| Packard Creek | Appanoose | 40.60278 | -92.72 |
| Packinghouse Creek | Monroe | 41.02111 | -92.69806 |
| Paint Creek | Allamakee | 43.13167 | -91.18056 |
| Palestine Creek | Wapello | 41.11444 | -92.57806 |
| Palmer Creek | Butler | 42.84556 | -92.76528 |
| Panther Creek | Clayton | 42.79611 | -91.32472 |
| Paradise Creek | Crawford | 41.93444 | -95.49806 |
| Parmentar Creek | Butler | 42.78444 | -92.93722 |
| Parnell Creek | Woodbury | 42.23306 | -95.91722 |
| Parrish Branch | Union | 41.96389 | -94.19972 |
| Patterson Creek | Allamakee | 43.36667 | -91.57306 |
| Paul Creek | Louisa | 41.07667 | -91.13778 |
| Peas Creek | Boone | 41.99306 | -93.89278 |
| Pechman Creek | Johnson | 41.50278 | -91.5075 |
| Peck Creek | Clayton | 42.725 | -91.13889 |
| Pee Dee Creek | Cedar | 41.65111 | -91.13639 |
| Penn Creek | Delaware | 42.43806 | -91.24028 |
| Penny Springs | Allamakee | 43.14417 | -91.43333 |
| Pepper Creek | Davis | 40.84583 | -92.525 |
| Perkins Creek | Fremont | 40.84167 | -95.70583 |
| Perry Creek | Cherokee | 42.66417 | -95.575 |
| Petersons Creek | Adams | 41.14889 | -94.87972 |
| Pettitts Branch | Cass | 41.29389 | -94.87167 |
| Phelps Creek | Grundy | 42.58917 | -92.76111 |
| Phillips Creek | Henry | 41.14361 | -91.4525 |
| Picayune Chute | Clayton | 42.68611 | -90.95528 |
| Picayune Creek | Harrison | 41.74389 | -95.69167 |
| Pierson Creek | Woodbury | 42.48278 | -95.7925 |
| Pig Creek | Iowa | 41.6275 | -92.17 |
| Pigeon Creek | Appanoose | 40.62667 | -92.74833 |
| Pigpen Slough | Allamakee | 43.49306 | -91.24861 |
| Pike Creek | Muscatine | 41.35306 | -91.3325 |
| Pike Run | Muscatine | 41.45361 | -91.24778 |
| Pine Creek | Buchanan | 42.40694 | -91.77778 |
| Pitcher Creek | Cherokee | 42.63194 | -95.46889 |
| Pitman Creek | Lee | 40.66556 | -91.46778 |
| Plague Mine Creek | Tama | 41.89194 | -92.35028 |
| Platte Branch | Taylor | 40.56111 | -94.57333 |
| Platte River | Taylor | 40.58722 | -94.515 |
| Pleasant Creek | Audubon | 41.51639 | -94.84222 |
| Pleasant Run | Linn | 41.93139 | -91.55639 |
| Plessis Creek | O'Brien | 43.19611 | -95.51167 |
| Plug Run | Warren | 41.44167 | -93.53694 |
| Plum Creek | Cedar | 41.91611 | -90.89333 |
| Plunger Creek | Adair | 41.425 | -94.25389 |
| Plymouth Creek | Plymouth | 42.7375 | -96.20944 |
| Polecat Creek | Boone | 42.025 | -93.90639 |
| Pony Creek | Mills | 40.98583 | -95.81611 |
| Poor Farm Creek | Buena Vista | 42.70028 | -95.07694 |
| Porter Creek | Crawford | 42.17222 | -95.23611 |
| Pot Hole Creek | Decatur | 40.70167 | -93.90222 |
| Potato Creek | Pottawattamie | 41.44944 | -95.74806 |
| Potatoe Creek | Jasper | 41.82583 | -92.95333 |
| Potteroff Creek | Decatur | 40.65972 | -93.86083 |
| Potters Branch | Van Buren | 40.695 | -91.78139 |
| Powell Creek | Buena Vista | 42.64417 | -95.24444 |
| Poyner Creek | Black Hawk | 42.43333 | -92.23722 |
| Prairie Creek | Benton | 42.18139 | -92.00528 |
| Pratt Creek | Benton | 42.2075 | -92.05722 |
| Prescotts Creek | Black Hawk | 42.455 | -92.42306 |
| Preston Creek | Boone | 41.87306 | -93.86528 |
| Price Branch | Clayton | 42.7325 | -91.15861 |
| Price Creek | Marion | 41.31889 | -92.88167 |
| Prices Creek | Lee | 40.43111 | -91.38889 |
| Prosser Creek | Adams | 41.19167 | -94.84972 |
| Pumpkin Creek | Clinton | 42.08 | -90.74944 |
| Pumpkin Run | Monona | 42.18667 | -95.825 |
| Purcell Creek | Kossuth | 43.03583 | -94.205 |
| Purgatory Creek | Carroll | 42.10306 | -94.65833 |
| Quarter Section Run | Bremer | 42.67944 | -92.42278 |
| Quinn Creek | Fayette | 43.03472 | -91.72611 |
| Rabbit Creek | Clayton | 42.69528 | -91.34361 |
| Raccoon Creek | Jackson | 42.10917 | -90.79111 |
| Raccoon River | Polk | 41.57944 | -93.61194 |
| Ragtown Branch | Lucas | 40.93194 | -93.205 |
| Railroad Creek | Cherokee | 42.745 | -95.54806 |
| Ralston Creek | Johnson | 41.64556 | -91.53583 |
| Ramp Creek | Mills | 40.9075 | -95.2775 |
| Ramsey Creek | Washington | 41.47667 | -91.73528 |
| Rapid Creek | Cerro Gordo | 42.97833 | -93.00806 |
| Rat Run | Clinton | 42.03778 | -90.85417 |
| Rathburn Creek | Plymouth | 42.67556 | -95.99944 |
| Raven Creek | Tama | 41.97417 | -92.66167 |
| Reading Creek | Greene | 42.20306 | -94.43417 |
| Reasnor Creek | Jasper | 41.57778 | -93.03917 |
| Red Keel Creek | Lee | 40.71028 | -91.31 |
| Red Oak Creek | Montgomery | 41.00556 | -95.24306 |
| Redmans Branch | Decatur | 40.83722 | -93.85556 |
| Reeds Creek | Van Buren | 40.68667 | -91.76611 |
| Reynolds Creek | Woodbury | 42.2175 | -95.74278 |
| Rhine Creek | Johnson | 41.71417 | -91.77917 |
| Richardson Branch | Boone | 41.91639 | -93.86556 |
| Richardson Creek | Harrison | 41.66111 | -95.685 |
| Richey Creek | Johnson | 41.39861 | -91.395 |
| Richland Creek | Tama | 41.91472 | -92.43194 |
| Rio Grande Creek | Lyon | 43.33333 | -96.00167 |
| Roberts Creek | Clayton | 42.83694 | -91.37472 |
| Rock Creek | Benton | 42.31111 | -92.13417 |
| Rock River | Sioux | 43.08278 | -96.45417 |
| Rock Run Creek | Cedar | 41.70667 | -91.19222 |
| Rocky Branch | Jefferson | 41.07028 | -91.76556 |
| Rocky Run | Crawford | 42.02611 | -95.27556 |
| Roetzel Creek | O'Brien | 43.07 | -95.83806 |
| Roff Creek | Louisa | 41.1525 | -91.2625 |
| Rogers Creek | Winneshiek | 43.14556 | -91.92694 |
| Rogg Creek | Sioux | 43.21528 | -96.28194 |
| Rose Branch | Taylor | 40.87306 | -94.81278 |
| Rose Creek | Montgomery | 41.15222 | -95.0225 |
| Routherford Branch | Delaware | 42.57361 | -91.41 |
| Royer Creek | Dallas | 41.76528 | -93.85639 |
| Running Slough | Jackson | 42.13722 | -90.21194 |
| Running Slough Drain | Des Moines | 40.90694 | -91.02444 |
| Rupple Creek | Story | 41.91472 | -93.41528 |
| Rush Chute | Des Moines | 40.82722 | -91.09056 |
| Rush Creek | Monona | 42.11917 | -95.69611 |
| Rush Lake Outlet | Osceola | 43.3725 | -95.53222 |
| Rutt Branch | Adair | 41.29083 | -94.62861 |
| Ryan Creek | Jackson | 42.07556 | -90.46833 |
| Sabula Slough | Jackson | 42.07833 | -90.17028 |
| Sage Creek | Monroe | 41.13306 | -93.08472 |
| Saint Joseph Creek | Mahaska | 41.24 | -92.74389 |
| Salt Creek | Davis | 40.89361 | -92.25028 |
| Sand Hagen Creek | Delaware | 42.56972 | -91.5475 |
| Sanders Creek | Johnson | 41.70222 | -91.52889 |
| Sandy Branch | Appanoose | 40.82778 | -93.065 |
| Sandy Creek | Fayette | 42.99917 | -91.63917 |
| Santiago Creek | Polk | 41.72583 | -93.37222 |
| Sants Branch | Warren | 41.32056 | -93.64917 |
| Saunders Branch | Henry | 40.94806 | -91.57389 |
| Saylings Creek | Adams | 40.94972 | -94.49361 |
| Saylor Creek | Polk | 41.63972 | -93.64 |
| Schaffer Creek | Johnson | 41.51444 | -91.77833 |
| Schechtman Branch | Delaware | 42.61222 | -91.27889 |
| School Creek | Emmet | 43.39778 | -94.84556 |
| Schricker Slough | Clinton | 41.73361 | -90.31944 |
| Schultz Creek | Floyd | 42.98222 | -92.555 |
| Schuyler Creek | Butler | 42.87389 | -92.69361 |
| Second Creek | Boone | 42.00833 | -93.92306 |
| Seely Creek | Guthrie | 41.69083 | -94.54583 |
| Seights Creek | Van Buren | 40.82111 | -92.10472 |
| Sevenmile Creek | Decatur | 40.595 | -93.91278 |
| Severs Creek | Jasper | 41.67417 | -93.15778 |
| Sewer Creek | Clay | 43.15333 | -95.35083 |
| Shain Creek | Decatur | 40.60056 | -93.99 |
| Shanghai Creek | Adams | 41.11611 | -94.53222 |
| Shawnee Creek | Henry | 41.13722 | -91.71722 |
| Sheldon Creek | Franklin | 42.59778 | -93.49306 |
| Shell Rock River | Black Hawk | 42.63417 | -92.50111 |
| Shoal Creek | Appanoose | 40.60528 | -92.85833 |
| Short Creek | Decatur | 40.82306 | -93.86528 |
| Sibles Creek | Jones | 41.99667 | -91.13333 |
| Sifford Creek | Audubon | 41.55444 | -94.91 |
| Silver Creek | Allamakee | 43.42139 | -91.43722 |
| Simmons Creek | Clinton | 42.01639 | -90.41278 |
| Simon Run | Pottawattamie | 41.38722 | -95.85361 |
| Simpson Branch | Fremont | 40.64333 | -95.63139 |
| Simpson Creek | Fayette | 43.01 | -92.07389 |
| Sink Creek | Black Hawk | 42.43694 | -92.25972 |
| Sixmile Creek | Harrison | 41.67889 | -95.7475 |
| Skinaway Creek | Warren | 41.19083 | -93.60889 |
| Skunk Creek | Fremont | 40.8175 | -95.75 |
| Skunk Slough | Des Moines | 40.70417 | -91.11667 |
| Slater Creek | Jasper | 41.59639 | -92.805 |
| Slaughter Creek | Van Buren | 40.67556 | -91.7575 |
| Slocum Creek | Pottawattamie | 41.29944 | -95.41222 |
| Slough Creek | Dallas | 41.82833 | -94.00083 |
| Snag Creek | Black Hawk | 42.54056 | -92.44694 |
| Snag Slough | Jackson | 42.17083 | -90.2725 |
| Snake Creek | Greene | 41.86167 | -94.19222 |
| Snipe Creek | Jasper | 41.8075 | -93.04528 |
| Snort Creek | Appanoose | 40.78139 | -92.82 |
| Sny Magill Creek | Clayton | 42.93611 | -91.16667 |
| Snyder Branch | Appanoose | 40.79694 | -92.87056 |
| Snyder Creek | Johnson | 41.57972 | -91.52694 |
| Soldier Creek | Buena Vista | 42.8825 | -95.17694 |
| Soldier River | Harrison | 41.7375 | -96.0975 |
| Solferino Creek | Lee | 40.52222 | -91.38722 |
| South Avery Creek | Wapello | 41.08444 | -92.52306 |
| South Bear Creek | Winneshiek | 43.44861 | -91.61556 |
| South Beaver Creek | Grundy | 42.58056 | -92.79389 |
| South Branch Lizard Creek | Webster | 42.50694 | -94.23333 |
| South Branch Salt Creek | Tama | 42.05444 | -92.38611 |
| South Branch Turkey River | Howard | 43.32833 | -92.22639 |
| South Branch West Nodaway River | Page | 40.70472 | -95.01806 |
| South Cedar Creek | Clayton | 42.74083 | -91.20972 |
| South Chequest Creek | Davis | 40.79167 | -92.18722 |
| South Copper Creek | Jackson | 42.05694 | -90.41583 |
| South Creek | Appanoose | 40.59889 | -92.93139 |
| South Elk Creek | Decatur | 40.72611 | -93.94222 |
| South English River | Washington | 41.5075 | -92.05417 |
| South Fork Blackhawk Creek | Grundy | 42.45444 | -92.62639 |
| South Fork Catfish Creek | Dubuque | 42.46833 | -90.68639 |
| South Fork Chariton River | Appanoose | 40.86361 | -93.01278 |
| South Fork Clanton Creek | Madison | 41.215 | -93.94306 |
| South Fork Iowa River | Hardin | 42.28611 | -93.07806 |
| South Fork Long Creek | Washington | 41.26694 | -91.51472 |
| South Fork Lost Creek | Scott | 41.66861 | -90.43083 |
| South Fork Maquoketa River | Buchanan | 42.60833 | -91.56111 |
| South Fork Middle River | Guthrie | 41.51111 | -94.54639 |
| South Fork Walker Branch | Wayne | 40.82972 | -93.12444 |
| South Fork Walnut Creek | Jones | 42.0025 | -91.26444 |
| South Fox Creek | Appanoose | 40.74333 | -92.58194 |
| South Hoosier Creek | Linn | 41.88167 | -91.60389 |
| South Minerva Creek | Marshall | 42.12778 | -93.13472 |
| South Onion Creek | Boone | 42.05583 | -93.73833 |
| South Otter Creek | Lucas | 41.14417 | -93.525 |
| South Picayune Creek | Harrison | 41.75278 | -95.67 |
| South Raccoon River | Dallas | 41.54389 | -93.96639 |
| South River | Polk | 41.48722 | -93.34111 |
| South Rock Creek | Tama | 42.07917 | -92.80889 |
| South Silver Creek | Ida | 42.44417 | -95.39722 |
| South Skunk River | Keokuk | 41.24861 | -92.02611 |
| South Soap Creek | Davis | 40.84639 | -92.59611 |
| South Spring Branch | Jackson | 42.23167 | -90.76444 |
| South Squaw Creek | Clarke | 41.10722 | -93.76917 |
| South Timber Creek | Marshall | 41.93722 | -92.86556 |
| South Turkey Creek | Adair | 41.41917 | -94.41806 |
| South Walnut Creek | Jefferson | 41.10306 | -91.86056 |
| South White Breast Creek | Clarke | 40.97583 | -93.6075 |
| South Willow Creek | Monona | 41.88139 | -95.72139 |
| South Wonder Creek | Winneshiek | 43.19833 | -91.98139 |
| South Wyaconda River | Davis | 40.6 | -92.27139 |
| Spearman Branch | Henry | 40.91778 | -91.54083 |
| Spencer Creek | Scott | 41.56944 | -90.41833 |
| Spring Branch | Carroll | 41.98944 | -94.77417 |
| Spring Creek | Appanoose | 40.59917 | -92.71861 |
| Spring Valley Creek | Mills | 40.90583 | -95.57611 |
| Springbrook Creek | Guthrie | 41.76944 | -94.46806 |
| Springs Branch Creek | Allamakee | 43.20528 | -91.15639 |
| Spruce Creek | Jackson | 42.3025 | -90.43333 |
| Squaw Creek | Franklin | 42.74556 | -93.10167 |
| Staff Creek | Howard | 43.49528 | -92.41944 |
| Star Branch | Union | 41.01472 | -94.12167 |
| Steady Run | Keokuk | 41.23694 | -92.28167 |
| Steel Creek | Decatur | 40.62222 | -93.59472 |
| Steeles Branch | Clayton | 42.66917 | -91.28389 |
| Steels Branch | Warren | 41.32417 | -93.90361 |
| Steer Creek | Harrison | 41.67417 | -95.955 |
| Stein Creek | Tama | 42.06361 | -92.33167 |
| Stewart Creek | Floyd | 43.11278 | -92.72028 |
| Stoe Creek | Fayette | 42.76056 | -92.06722 |
| Stofferan Creek | O'Brien | 43.07 | -95.83306 |
| Stony Creek | Clay | 43.14167 | -95.24944 |
| Storm Creek | Carroll | 42.04861 | -94.76778 |
| Stowe Creek | Monona | 41.86722 | -95.90194 |
| Stratton Creek | Cherokee | 42.57917 | -95.71917 |
| Stump Creek | Van Buren | 40.85667 | -92.14639 |
| Sugar Creek | Clinton | 42.04806 | -90.43139 |
| Summer Creek | Van Buren | 40.895 | -91.78361 |
| Sunken Creek | Floyd | 43.19139 | -92.7875 |
| Suttle Creek | Allamakee | 43.13167 | -91.3475 |
| Swan Lake Branch | Dallas | 41.7975 | -94.12 |
| Sweeney Creek | O'Brien | 43.16917 | -95.77833 |
| Sweetland Creek | Muscatine | 41.43694 | -90.95667 |
| Swisher Creek | Johnson | 41.80583 | -91.66306 |
| Tama Mud Creek | Tama | 41.95 | -92.56194 |
| Tank Pond Creek | Webster | 42.22139 | -94.35389 |
| Tarecoat Creek | Jackson | 42.18083 | -90.66806 |
| Tarkio River | Page | 40.02083 | -95.31389 |
| Teener Creek | Washington | 41.50417 | -91.92833 |
| Teeple Creek | Allamakee | 43.21083 | -91.495 |
| Ten Mile Creek | Winneshiek | 43.33583 | -91.8475 |
| Tete des Morts Creek | Dubuque | 42.38306 | -90.48944 |
| Teter Creek | Marion | 41.40528 | -93.10472 |
| Third Creek | Boone | 42.00139 | -93.91028 |
| Thomas Ditch | Fremont | 40.7225 | -95.02056 |
| Thompson Creek | Adams | 41.13667 | -94.70333 |
| Threemile Creek | Cass | 41.15917 | -94.96417 |
| Thunder Creek | Mahaska | 41.46389 | -92.87111 |
| Tibbetts Creek | Jones | 42.23417 | -91.12083 |
| Tibetts Creek | Jones | 42.23417 | -91.12111 |
| Timber Creek | Harrison | 41.57083 | -95.84722 |
| Todd Branch | Adams | 40.93111 | -94.47444 |
| Todds Creek | Delaware | 42.44722 | -91.44583 |
| Tom Creek | Lyon | 43.4325 | -96.16472 |
| Tracey Creek | Marion | 41.26833 | -93.15278 |
| Trinkle Creek | Crawford | 42.17861 | -95.22889 |
| Troublesome Creek | Cass | 41.41972 | -95.0175 |
| Trout Creek | Winneshiek | 43.27917 | -91.77444 |
| Trout Run | Allamakee | 43.30333 | -91.30889 |
| Trulner Creek | Humboldt | 42.86361 | -94.20889 |
| Tucker Creek | Crawford | 42.15694 | -95.24833 |
| Tuckers Creek | Ringgold | 40.62333 | -94.14167 |
| Tug Fork Big Indian Creek | Van Buren | 40.65972 | -91.94778 |
| Turkey Creek | Boone | 41.99944 | -93.90583 |
| Turkey River | Clayton | 42.7175 | -91.01194 |
| Turkey Run | Decatur | 40.71417 | -93.64 |
| Turner Creek | Fayette | 43.00389 | -91.89028 |
| Twomile Creek | Chickasaw | 42.99028 | -92.4625 |
| Union Creek | Jackson | 42.04333 | -90.67111 |
| Union Valley Creek | Jasper | 41.51278 | -93.17194 |
| Upper Branch Yellow Creek | Winneshiek | 43.155 | -91.54944 |
| Upper Iowa River | Allamakee | 43.46639 | -91.23361 |
| Upper West Fork West Sabula Slough | Jackson | 42.09778 | -90.17306 |
| Utica Creek | Scott | 41.58667 | -90.50722 |
| Valley Branch | Van Buren | 40.62972 | -91.97778 |
| Van Zante Creek | Marion | 41.50083 | -92.95611 |
| Vesser Creek | Van Buren | 40.87528 | -92.17139 |
| Victory Creek | Clarke | 41.12056 | -93.60889 |
| Village Creek | Allamakee | 43.34778 | -91.20389 |
| Volga River | Clayton | 42.74806 | -91.27056 |
| Vore Creek | Harrison | 41.5325 | -95.71722 |
| Wagner | Clayton | 42.98611 | -91.46861 |
| Wagner Creek | Osceola | 43.33861 | -95.76028 |
| Walker Branch | Wayne | 40.81583 | -93.10611 |
| Wallingslock Creek | Marion | 41.395 | -92.99861 |
| Walnut Creek | Appanoose | 40.80028 | -92.87583 |
| Wapsinonoc Creek | Muscatine | 41.45306 | -91.25 |
| Wapsipinicon River | Scott | 41.72972 | -90.31944 |
| Warren Grove Creek | Jasper | 41.61556 | -93.08361 |
| Waterloo Creek | Allamakee | 43.43028 | -91.52028 |
| Waterman Creek | O'Brien | 42.93833 | -95.41778 |
| Watsons Creek | Howard | 43.36472 | -92.56194 |
| Waubonsie Creek | Fremont | 40.87778 | -95.81528 |
| Waugh Branch | Keokuk | 41.21889 | -92.30972 |
| Wayman Creek | Clayton | 42.74056 | -91.25944 |
| Weasel Creek | Benton | 41.90944 | -92.05861 |
| Weber Creek | Woodbury | 42.22889 | -96.03528 |
| Weldon Creek | Decatur | 40.86389 | -93.62944 |
| Welsh Creek | Crawford | 41.91944 | -95.54194 |
| Welshs Slough | Calhoun | 42.37333 | -94.44528 |
| Welty Creek | Madison | 41.29083 | -94.15056 |
| West Basswood Creek | Dubuque | 42.65444 | -90.80833 |
| West Beaver Creek | Greene | 42.02417 | -94.155 |
| West Branch Beaverdam Creek | Cerro Gordo | 42.96056 | -93.2475 |
| West Branch Blue Creek | Benton | 42.24667 | -91.8375 |
| West Branch Blue Earth River | Kossuth | 43.57222 | -94.10333 |
| West Branch Buffalo Creek | Buchanan | 42.56056 | -91.75667 |
| West Branch Creek | Madison | 41.15694 | -94.17083 |
| West Branch Floyd River | Plymouth | 42.72417 | -96.24139 |
| West Branch Iowa River | Wright | 42.86056 | -93.61361 |
| West Branch Little Sioux River | Dickinson | 43.43889 | -95.27917 |
| West Branch Mill Creek | O'Brien | 43.08194 | -95.6925 |
| West Branch One Hundred and Two River | Taylor | 40.72 | -94.85583 |
| West Branch Panther Creek | Dallas | 41.655 | -94.11139 |
| West Branch Perry Creek | Plymouth | 42.57028 | -96.39694 |
| West Branch Pine Creek | Buchanan | 42.5425 | -91.82167 |
| West Branch Roberts Creek | Fayette | 43.04583 | -91.54944 |
| West Branch South Cedar Creek | Clayton | 42.82278 | -91.24528 |
| West Branch Sugar Creek | Lee | 40.69694 | -91.51472 |
| West Branch Turkey River | Howard | 43.3675 | -92.21333 |
| West Branch Wapsinonoc Creek | Muscatine | 41.54806 | -91.26194 |
| West Buck Creek | Poweshiek | 41.57306 | -92.645 |
| West Burr Oak Creek | Jasper | 41.77333 | -92.92583 |
| West Buttrick Creek | Greene | 42.05 | -94.28056 |
| West Cedar Creek | Calhoun | 42.29667 | -94.50139 |
| West Elk Creek | Decatur | 40.72639 | -93.94278 |
| West Fork Battle Creek | Ida | 42.40139 | -95.57528 |
| West Fork Big Creek | Ringgold | 40.60028 | -94.02222 |
| West Fork Camp Creek | Calhoun | 42.36806 | -94.83472 |
| West Fork Cedar River | Black Hawk | 42.61306 | -92.495 |
| West Fork Crooked Creek | Washington | 41.20333 | -91.60972 |
| West Fork Little Sioux River | Dickinson | 43.41361 | -95.25111 |
| West Fork Medicine Creek | Wayne | 40.60444 | -93.39944 |
| West Fork Middle Nodaway River | Adair | 41.17056 | -94.65194 |
| West Fork One Hundred and Two River | Taylor | 40.53778 | -94.84611 |
| West Fork West Nishnabotna River | Shelby | 41.65972 | -95.30139 |
| West High Creek | Fremont | 40.59861 | -95.47167 |
| West Hoosier Creek | Johnson | 41.81472 | -91.58722 |
| West Indian Creek | Story | 41.92083 | -93.41944 |
| West Jackson Creek | Wayne | 40.74861 | -93.21917 |
| West Kitty Creek | Jones | 42.22639 | -91.17861 |
| West Little River | Decatur | 40.73778 | -93.77806 |
| West Long Creek | Clarke | 41.00778 | -94.01389 |
| West Mud Creek | Woodbury | 42.49444 | -96.09944 |
| West Nishnabotna River | Fremont | 40.6525 | -95.62333 |
| West Nodaway River | Page | 40.635 | -95.01889 |
| West Otter Creek | Linn | 42.10639 | -91.71556 |
| West Plum Creek | Ringgold | 40.86361 | -94.34389 |
| West Rat Creek | Lyon | 43.29861 | -95.91556 |
| West Rock Creek | Cedar | 41.83778 | -91.16222 |
| West Tarkio Creek | Page | 40.43333 | -95.37 |
| West Walnut Creek | Washington | 41.21722 | -91.7725 |
| West Wolf Creek | Union | 41.09639 | -94.11167 |
| Westfield Creek | Plymouth | 42.75472 | -96.61889 |
| Wexford Creek | Allamakee | 43.25056 | -91.09778 |
| Wharam Creek | Cerro Gordo | 43.19583 | -93.22417 |
| Wheeler Creek | Crawford | 42.17833 | -95.23056 |
| Whippoorwill Branch | Monroe | 41.14139 | -92.96861 |
| Whippoorwill Creek | Monroe | 41.09917 | -92.96639 |
| Whiskey Creek | Floyd | 43.06139 | -92.95444 |
| Whisky Creek | Plymouth | 42.65583 | -95.86556 |
| Whisky Run | Louisa | 41.31917 | -91.15139 |
| Whislers Branch | Cass | 41.20389 | -94.89167 |
| White Ash Branch | Monroe | 41.04861 | -92.65806 |
| White Breast Creek | Marion | 41.39528 | -93.03833 |
| White Fox Creek | Hamilton | 42.47472 | -93.81083 |
| White Oak Creek | Jones | 41.98528 | -91.24361 |
| Whites Creek | Monroe | 41.11528 | -92.94167 |
| Whitewater Creek | Jones | 42.27778 | -90.94417 |
| Whitney Creek | Lyon | 43.35167 | -95.94556 |
| Wildcat Creek | Benton | 42.10889 | -91.91472 |
| Willey Branch | Carroll | 41.97 | -94.77556 |
| Williams Creek | Allamakee | 43.14417 | -91.43528 |
| Willow Brook | Benton | 41.87056 | -92.19889 |
| Winans Creek | Worth | 43.25806 | -93.37917 |
| Winn Branch | Warren | 41.20611 | -93.32806 |
| Winnebago River | Floyd | 43.04167 | -92.94167 |
| Wolf Branch | Appanoose | 40.79306 | -92.98444 |
| Wolf Creek | Black Hawk | 42.32361 | -92.14611 |
| Wolf Run | Marion | 41.26556 | -93.07778 |
| Worrell Creek | Story | 42.01556 | -93.62194 |
| Wyoming Slough | Muscatine | 41.44 | -90.99389 |
| Yankee Run | Clinton | 41.81028 | -90.81222 |
| Yeader Creek | Polk | 41.55167 | -93.52778 |
| Yeager Creek | Jackson | 42.33111 | -90.43056 |
| Yellow River | Allamakee | 43.08667 | -91.18083 |
| Yellow Spring Creek | Des Moines | 40.88694 | -91.03333 |
| Ziegler Slough | Louisa | 41.07583 | -90.9725 |
| Zoar Creek | Lyon | 43.34889 | -95.94583 |
|
|
|||