Iowa Admin. Code r. 571-49.3
49.3(1) Motor vehicles shall not be operated in the following locations, except as provided for in Iowa Code section 462A.34A(2):
49.3(3) For the purpose of this rule, meandered streams, trout streams and navigable streams include the following:
| COUNTY | RIVER/STREAM | LOCATION |
| Adair | Middle Nodaway River | Adams/Adair line to Hwy. 92 |
| Middle River | All | |
| West Fork-Middle Nodaway | Mouth to County Road N51 | |
| Adams | East Nodaway River | Adams/Taylor line to County Road H24 |
| Middle Nodaway River | All | |
| Allamakee | Bear Creek | Mouth, S1,T99N,R6W to West Line S30,T100N,R6W |
| Clear Creek | Mouth, S35,T100,R5W to North Line S15,T100N,R5W | |
| Clear Creek | Mouth, S29,T99N,R3W to West Line S25,T99N,R4W | |
| Cota Creek | Mouth, S26,T97N,R3W to West Line S10,T97N,R3W | |
| Dousman Creek | Mouth, S33,T96N,R3W to South Line S36,T96N,R3W | |
| French Creek | Mouth, S1,T99N,R5W to East Line S23,T99N,R5W | |
| Hickory Creek | Mouth, S23,R96N,R5W to South Line S28,T96N,R5W | |
| Irish Hollow Creek | Mouth, S21,T100N,R4W to North Line S17,T100N,R4W | |
| Little Paint Creek | Mouth, S32,T97N,R3W to North Line S30,T97N,R3W | |
| Mississippi River | All | |
| Norfolk Creek | Mouth, S6,T96,R5W to Conf. w/Teeple Creek, S24,T97N,R6W | |
| Paint Creek | Conf. w/Little Paint Creek, S32,T97N,R3W to Road Crossing, S18,T97N,R4W | |
| Patterson Creek | Mouth, S29,T99N,R6W to East Line S3,T98N,R6W | |
| Silver Creek | Mouth, S4,T99N,R5W to South Line S31,T99N,R5W | |
| Suttle Creek | Mouth, S18,T96N,R4W to South Line S31,T96N,R4W | |
| Teeple Creek | Mouth, S24,T97N,R6W to West Line S11,T97N,R6W | |
| Trout Run a/k/a Erickson’s Brook | Mouth, S16,T98N,R4W to North Line S8,T98N,R4W | |
| Unnamed Creek | Mouth, S12,T99N,R4W to West Line S12,T99N,R4W | |
| Unnamed Tributary to Village Creek | Mouth, S23,T98N,R4W to West Line S23,T98N,R4W | |
| Unnamed Tributary to Yellow River | Mouth, S13,T96N,R5W to North Line S12,T96N,R5W | |
| Upper Iowa River | Mouth, S36,T100N,R4W to West Line S31,T100N,R6W | |
| Village Creek | Mouth, S33,T99N,R3W to West Line S19,T98N,R4W | |
| Waterloo Creek | Conf. w/Bear Creek, S35,T100N,R6W to North Line S8,T100N,R6W | |
| Wexford Creek | Mouth, S5,T98N,R2W to West Line S25,T98N,R3W | |
| Yellow River | Mouth, S34,T96N,R3W to West Line S24,T96N,R5W | |
| Appanoose | Chariton River | Missouri Line to Rathbun Dam |
| North Chariton River | Rathbun Lake to Hwy. 14 | |
| South Chariton River | Appanoose/Wayne Line to Rathbun Lake | |
| Benton | Bear Creek | Benton County Line to Mouth at Cedar River |
| Cedar River | All | |
| Iowa River | All | |
| Mud Creek | Road Crossing W½ S13,T84N,R11W to Mouth at Cedar River | |
| Opossum Creek | SE¼ S5,T84N,R9W to Benton/Linn Line | |
| Prairie Creek 2 | Road Crossing N½ S24,T83N,R12W to Benton/Linn Line | |
| Wolf Creek | All | |
| Black Hawk | Beaver Creek | Mouth, S34,T90N,R14W to West County Line, S31,T90N,R14W |
| Black Hawk Creek | Mouth, S22,T89N,R13W to West County Line, S6,T87N,R14W | |
| Cedar River | All | |
| Shell Rock River | Mouth, S4,T90N,R14W to North County Line, S4,T90N,R14W | |
| Wapsipinicon River | All | |
| West Fork Cedar River | All | |
| Wolf Creek | Mouth, S19,T87N,R11W to South County Line | |
| Boone | Beaver Creek | West Line of S10,T82N,R28W to South County Line |
| Des Moines River | All | |
| Bremer | Cedar River | All |
| Shell Rock River | All | |
| Wapsipinicon River | All | |
| Buchanan | Wapsipinicon River | All |
| Buena Vista | Little Sioux River | All |
| North Raccoon River | South County Line to North Line of S15,T91N,R36W | |
| Beaver Creek | All | |
| Hartgraves Creek | West County Line to Mouth at West Fork of Cedar River | |
| Butler | Maynes Creek | West County Line to Mouth at West Fork of Cedar River |
| Shell Rock River | All | |
| West Fork Cedar River | All | |
| Calhoun | Cedar Creek | South County Line to S31,T87N,R31W |
| North Raccoon River | All | |
| Carroll | Middle Raccoon River | South County Line to West Line of S23,T84N,R35W |
| North Raccoon River | All | |
| Cass | East Nishnabotna River | All |
| Cedar | Cedar River | All |
| Clear Creek | East Line of S21,T82N,R4W to Mouth at Cedar River | |
| Rock Creek | Road Crossing North Line Section 1, T81N,R3W to Mouth at Cedar River | |
| Sugar Creek | Road Crossing North Line Section 29, T81N,R2W to South County Line | |
| Wapsipinicon River | All | |
| Cerro Gordo | Beaverdam Creek | I-35 to Franklin County Line |
| E Branch-Beaverdam Creek | Hwy. 65 to Mouth at Beaverdam Creek | |
| Shell Rock River | All | |
| Spring Creek | County Road B15 to Mouth at Winnebago River | |
| Willow Creek | Hwy. 18 to Mouth at Winnebago River | |
| Winnebago River | All | |
| Cherokee | Grey Creek | North Line of S22,T93N,R40W to Mouth at Mill Creek |
| Little Sioux River | All | |
| Maple River | North Line of S5,T90N,R39W to Ida County Line | |
| Mill Creek | North Line S13,T93N,R41W to Mouth at Little Sioux River | |
| Perry Creek | North Line of S5,T91N,R40W to Mouth at Little Sioux River | |
| Rock Creek | East Line of S4,T91N,R41W to Mouth at Little Sioux River | |
| West Fork, Little Sioux River | North Line of S12,T92N,R42W to Plymouth County Line | |
| Willow Creek | North Line S30,T91N,R41W to Mouth at Little Sioux River | |
| Chickasaw | Cedar River | All |
| Little Cedar River | All | |
| Little Turkey River | All | |
| Wapsipinicon River | All | |
| Clay | Little Sioux River | All |
| Ocheyedan River | All | |
| Clayton | Bear Creek | South Line S18,T91N,R4W to South Line S26,T91N,R5W |
| Bloody Run Creek | Mouth, S15,T95N,R3W to South Line S21,T95N,R4W | |
| Brownfield Creek | Mouth, S25,T91N,R4W to Source, S31,T91N,R3W | |
| Buck Creek | Mouth, S32,T92N,R2W to West Line S9,T93N,R3W | |
| Cox Creek | Conf. w/Spring Creek, S25,T92N,R6W to South Line S12,T91N,R6W | |
| Dry Mill Creek | Mouth, S25,T93N,R5W to West Line S9,T93N,R4W | |
| Hewett Creek | Mouth, S11,T92N,R6W to South Line S29,T92N,R6W | |
| Maquoketa River | South Line S32,T91N,R6W to West Line S19,T91N,R6W | |
| Miners Creek | Mouth, S20,T92N,R2W to West Line S1,T92N,R3W | |
| Mink Creek | Mouth, S30,T93N,R6W to West Line S19,T93N,R6W | |
| Mossy Glen Creek | Mouth, S3,T91N,R5W to South Line S3,T91N,R5W | |
| Mississippi River | All | |
| North Cedar Creek | Mouth, S8,T94N,R3W to Source, S24,T94N,R4W | |
| Pecks Creek | Mouth, S1,T91N,R3W to South Line S15,T91N,R3W | |
| Pine Creek | Mouth, S26,T91N,R4W to Conf. w/Brownfield Creek, S25,T91N,R4W | |
| Sny-Magill Creek a/k/a Magill | Mouth, S23,T94N,R3W to West Line S6,T94N,R3W | |
| South Cedar Creek a/k/a Cedar | North Line S7,T92N,R3W to North Line S24,T93N,R4W | |
| Spring Creek a/k/a Kleinlein Creek | Mouth, S25,T92N,R6W to Source, S10,T91N,R6W | |
| Steeles Brook | Mouth, S26,T91N,R4W to South Line S34,T91N,R4W | |
| Turkey River | All | |
| Unnamed Tributary to Sny-Magill a/k/a West Fork | Mouth, S7,T94N,R3W to West Line S7,T94N,R3W | |
| Volga River | All | |
| Clinton | Brophys Creek | South Line of S4,T81N,R5E to Mouth at the Wapsipinicon River |
| Drainage Ditch 12 | South Line of S30,T82N,R2E to Mouth at the Wapsipinicon River | |
| Elk River | South Line of S5,T83N,R6E to Mouth at the Mississippi River | |
| Harts Mill Creek | South Line of S8,T81N,R6E to Mouth at Mill Creek | |
| Mill Creek | South Line of S14,T81N,R6E to Mouth with Mississippi River | |
| Mississippi River | All | |
| Silver Creek | South Line of S22,T82N,R3E to S6,T80N,R4E | |
| Wapsipinicon River | All | |
| Crawford | Boyer River | All |
| Soldier River | All | |
| Dallas | Beaver Creek | All |
| Des Moines River | All | |
| Middle Raccoon River | All | |
| Raccoon River | All | |
| South Raccoon River | All | |
| Davis | Des Moines River | All |
| Decatur | Long Creek | DeKalb Wildlife Area to Mouth at the Thompson River |
| Thompson River | All | |
| Weldon River | Missouri Border to Hwy. 2 | |
| Delaware | Fenchel Creek | Mouth, S5,T90N,R6W to Richmond Springs, S4,T90N,R6W |
| Fountain Spring Creek a/k/a Odell Branch | Mouth, S10,T90N,R4W to West Line S9,T90N,R4W | |
| Little Turkey River | North County Line, S1,T90N,R3W to South Line S11,T90N,R3W | |
| Maquoketa River | All | |
| Schechtman Branch | Mouth, S14,T90N,R4W to South Line S14,T90N,R4W | |
| South Branch Fountain Spring Creek | Mouth, S10,T90N,R4W to West Line S16,T90N,R4W | |
| Spring Branch | Mouth, S10,T88N,R5W to Spring Source, S35,T89N,R5W | |
| Steeles Branch | North County Line, S4,T90N,R4W to West Line S5,T90N,R4W | |
| Twin Springs Creek | Mouth, S2,T90N,R4W to Spring Source S12,T90N,R4W | |
| Des Moines | Brush Creek | South Line of S5,T69N,R3W to Mouth at the Skunk River |
| Cedar Fork Creek | West Line of S31,T72N,R3W to Mouth at the Flint River | |
| Dolbee Creek | East Line of S24,T72N,R2W to S31,T71N,R1W | |
| Flint River | County Line to Mouth at the Mississippi River | |
| Hawkeye Creek | North Line of S30,T72N,R3W to Mouth at the Mississippi River | |
| Knotty Creek | East Line of S25,T71N,R3W to the Mouth at the Flint River | |
| Long Creek | South Line of S3,T69N,R4W to the Mouth at the Skunk River | |
| Mississippi River | All | |
| Skunk River | All | |
| Spring Creek | South Line of S15,T69N,R3W to Mouth at the Mississippi River | |
| Tributary to Flint River | South Line of S27,T71N,R3W to Mouth at the Flint River | |
| Dickinson | Little Sioux River | All |
| Milford Creek | S12,T98N,R37W to Mouth at Little Sioux River | |
| West Branch, Little Sioux River | South Line of S27,T100N,R38W to Mouth at West Fork of Little Sioux River | |
| West Fork, Little Sioux River | South Line of S24,T100N,R38W to Mouth at Little Sioux River | |
| Dubuque | Bloody Run | Mouth, S34,T90N,R2E to West Line S21,T90N,R2E |
| Catfish Creek | South Line S9,T88N,R2E to Source S36,T88N,R1E | |
| Cloie Branch | Mouth, S5,T89N,R2E to West Line S5,T89N,R2E | |
| Hogans Branch | Mouth, S35,T89N,R1W to Gravel Road West Line S9,T88N,R1W | |
| Little Maquoketa River | S5,T88N,R1W to Mouth at Mississippi River | |
| Middle Fork, Little Maquoketa River a/k/a Bankston Creek | West Line S31,T90N,R1E to North Line S33,T90N,R1W | |
| Mississippi River | All | |
| North Fork, Maquoketa River | All | |
| Paint Hollow Creek a/k/a White Pine Creek | North County Line, S6,T90N,R2W to Spring Source S8,T90N,R2W | |
| Emmet | East Fork, Des Moines River | Tuttle Lake Outlet to East County Line |
| West Fork, Des Moines River | All | |
| Fayette | Bass Creek a/k/a Turners | Mouth, S3,T95N,R9W to West Line S3,T95N,R9W |
| Bear Creek | Mouth, S25,T93N,R7W to West Line S6,T92N,R7W | |
| Bell Creek | Mouth, S10,T94N,R7W to West Line S8,T94N,R7W | |
| Brush Creek | Mouth, S8,T92N,R7W to Road Crossing S20,T92N,R7W | |
| Little Turkey River | Mouth, S18,T95N,R8W to North Line S5,T95N,R10W | |
| Maquoketa River | East Line S24,T91N,R7W to Conf. w/Hwy. 3 | |
| Mink Creek | East Line S24,T93N,R7W to West Line S15,T93N,R7W | |
| Otter Creek | Mouth, S13,T94N,R7W to S22,T94N,R8W | |
| Turkey River | All | |
| Unnamed Creek a/k/a Glovers Creek | Mouth, S22,T94N,R8W to West Line S15,T94N,R8W | |
| Unnamed Creek a/k/a Grannis Creek | Mouth, S30,T93N,R7W to Source, E¼ S36,T93N,R8W | |
| Volga River | East County Line to South Line S22,T93N,R8W | |
| Floyd | Cedar River | All |
| Little Cedar River | All | |
| Shell Rock River | All | |
| Winnebago River | All | |
| Franklin | Bailey Creek | South Line of S13,T93N,R20W to Mouth at the West Fork, Cedar River |
| Beaverdam Creek | North County Line to Mouth at the West Fork, Cedar River | |
| Hartgraves Creek | South Line of S28,T92N,R19W to East County Line | |
| Iowa River | All | |
| Maynes Creek | East Line of S30,T91N,R20W to East County Line | |
| Otter Creek | East Line of S31,T93N,R20W to Mouth at Hartgraves Creek | |
| Spring Creek | Beeds Lake Outlet to Mouth at Otter Creek | |
| West Fork, Cedar River | East Line of S19,T93N,R19W to East County Line | |
| Fremont | East Nishnabotna River | Mouth at Nishnabotna River to East County Line |
| Missouri River | All | |
| Nishnabotna River | Missouri/Iowa Line to South Line of S25,T68N,R41W | |
| West Nishnabotna River | Mouth at Nishnabotna River to North County Line | |
| Greene | Cedar Creek | Mouth at North Raccoon River to North County Line |
| North Raccoon River | All | |
| Grundy | Black Hawk Creek | East Line of S35,T88N,R17W to Black Hawk County Line |
| North Black Hawk Creek | NE¼ S8,T88N,R15W to Black Hawk County Line | |
| South Beaver Creek | E½ S3,T88N,R18W to Butler County Line | |
| Wolf Creek | N½ of S31,T86N,R17W to Black Hawk County Line | |
| Guthrie | Middle Raccoon River | All |
| South Raccoon River | East County Line to County Road F32 | |
| Hamilton | Boone River | All |
| Brewers Creek | Mouth at Boone River to County Road R27 | |
| Eagle Creek | Mouth at Boone River to Wright County Line | |
| Skunk River | County Line to Hwy. 175 | |
| White Fox Creek | Mouth at Boone River to Wright County Line | |
| Hancock | East Fork, Iowa River | South County Line to Hwy. 18 |
| West Fork, Iowa River | South County Line to County Road B55 | |
| Winnebago River | All | |
| Hardin | Elk Creek | Mouth at Iowa River to County Road D35 |
| Honey Creek | South County Line to County Road D65 | |
| Iowa River | All | |
| South Fork, Iowa River | Mouth at Iowa River to Hwy. 359 | |
| Harrison | Boyer River | All |
| Little Sioux River | All | |
| Missouri River | All | |
| Soldier River | All | |
| Henry | Big Creek | North Line of S31,T72N,R5W to S19,T70N,R5W |
| Cedar Creek | County Line to Mouth at the Skunk River | |
| Crooked Creek | Mouth at S31,T73N,R7W to East Section Line | |
| East Fork, Crooked Creek | All | |
| Little Cedar Creek | South County Line to Mouth at Cedar Creek | |
| Mud Creek | South Line of S15,T70N,R5W to Mouth at the Skunk River | |
| Skunk River | All | |
| Howard | Beaver Creek | Mouth, S19,T100N,R12W to County Road A23 |
| Bohemian Creek | East Line S13,T97N,R11W to West Line S2,T97N,R11W | |
| Chialk Creek | Mouth, S1,T98N,R11W to Road Crossing, S36,T99N,R11W | |
| Nichols Creek | East Line S13,T100N,R11W to County Road V58 | |
| Staff Creek | Mouth, S7,T100N,R13W to County Road V10 | |
| Turkey River | East Line S12,T98N,R11W to Hwy. 9 | |
| Upper Iowa River | East Line S12,T100N,R11W to North Line S11,T100N,R14W | |
| Wapsipinicon River | South Line S17,T97N,R14W to West Line S19,T98N,R14W | |
| Humboldt | Des Moines River | South County Line to Conf. of East and West Fork of Des Moines River |
| East Fork, Des Moines River | Mouth at the Des Moines River to North County Line | |
| West Fork, Des Moines River | Mouth at the Des Moines River to West County Line | |
| Ida | Little Sioux River | All |
| Maple River | All | |
| Iowa | Bear Creek | West County Line to Mouth at the Iowa River |
| Iowa River | All | |
| North Fork, English River | All | |
| Old Man Creek | West Line of S35,T79N,R10W to East County Line | |
| Jackson | Brush Creek | North Line S23,T85N,R3E to North Line S1,T85N,R3E |
| Cedar Creek | Mouth, S30,T85N,R3E to East Line S29,T85N,R3E | |
| Little Mill Creek | Mouth, S13,T86N,R4E to West Line S29,T86N,R4E | |
| Maquoketa River | All | |
| Mill Creek a/k/a Big Mill Creek | Conf. w/Little Mill Creek S13,T86N,R4E to West Line S1,T86N,R3E | |
| Mississippi River | All | |
| North Fork, Maquoketa River | West County Line to Mouth at the Maquoketa River | |
| Ozark Spring Run | Mouth, S32,T86N,R1E to Spring Source S32,T86N,R1E | |
| Pleasant Creek | East Line S11,T85N,R4E to West Line S15,T85N,R4E | |
| Unnamed Creek | Mouth, S7,T86N,R2E to West Line S11,T86N,R1E | |
| South Fork, Big Mill | Mouth, S8,T86N,R4E to West Line S17,T86N,R4E | |
| Storybook Hollow | Mouth, S7,T86N,R4E to South Line S12,T86N,R3E | |
| Unnamed Creek | Mouth, S1,T86N,R3E to West Line S2,T86N,R3E | |
| Jasper | Indian Creek | All |
| North Skunk River | All | |
| South Skunk River | All | |
| Jefferson | Brush Creek | South Line of S18,T72N,R8W to the East County Line |
| Cedar Creek | All | |
| Competine Creek | West County Line to Mouth at Cedar Creek | |
| Skunk River | All | |
| Walnut Creek | East Line of S22,T73N,R9W to the Mouth at the Skunk River | |
| Johnson | Cedar River | All |
| Clear Creek | West County Line to Mouth at the Iowa River | |
| Iowa River | All | |
| Old Mans Creek | West County Line to Mouth at the Iowa River | |
| Jones | Buffalo Creek | West County Line to Mouth at the Wapsipinicon River |
| Maquoketa River | All | |
| North Fork, Maquoketa River | All | |
| Wapsipinicon River | All | |
| Keokuk | Bridge Creek | South Line of S23,T76N,R12W to the Mouth at the North Skunk River |
| Cedar Creek | East Line of S19,T76N,R13W to the Mouth at the North Skunk River | |
| North Skunk River | West County Line to Mouth at the Skunk River | |
| Rock Creek | South Line of S21,T76N,R12W to Mouth at Cedar Creek | |
| South Fork, English River | West County Line to Mouth at the English River | |
| Skunk River | All | |
| South Skunk River | West County Line to Mouth at the Skunk River | |
| Kossuth | Buffalo Creek | West Line of S4,T97N,R27W to Mouth at the East Fork, Des Moines River |
| East Fork, Des Moines River | All | |
| Lee | Big Sugar Creek | South Line of S26,T69N,R6W to Mouth at the Mississippi River |
| Des Moines River | All | |
| Little Sugar Creek | South Line of S24,T68N,R7W to Mouth at the Des Moines River | |
| Lost Creek | South Line of S32,T69N,R4W to Mouth at the Mississippi River | |
| Mississippi River | All | |
| Pitman Creek | South Line of S10,T68N,R5W to Mouth at the Mississippi River | |
| Skunk River | All | |
| Linn | Cedar River | All |
| Prairie Creek | West County Line to Mouth at Cedar River | |
| Wapsipinicon River | All | |
| Louisa | Big Slough Creek | East Line of S7,T74N,R5W to Mouth at Long Creek |
| Cedar River | All | |
| Goose Creek | West County Line to Mouth at the Iowa River | |
| Iowa River | All | |
| Long Creek | South Line of S30,T75N,R5W to the Mouth at the Iowa River | |
| Mississippi River | All | |
| Muscatine Slough | North County Line to County Road Bridge in S31,T75N,R3W | |
| Muskrat Lake | S16,T74N,R3W to Mouth at the Iowa River | |
| Lucas | Chariton River | Rathbun Lake to Hwy. 14 |
| Lyon | Big Sioux River | All |
| Little Rock River | East County Line to Mouth at Rock River | |
| Rock River | All | |
| Madison | Clanton Creek | South Line of S32,T75N,R26W to the East County Line |
| Middle River | All | |
| Thompson River | All | |
| Mahaska | Cedar Creek | West County Line to Mouth at Des Moines River |
| Des Moines River | All | |
| North Skunk River | All | |
| Skunk River | All | |
| Marion | Des Moines River | All |
| Skunk River | All | |
| Whitebreast Creek | West County Line to Mouth at Des Moines River | |
| Marshall | Honey Creek | North County Line to Mouth at Iowa River |
| Iowa River | All | |
| Minerva Creek | NW¼ S9,T85N,R20W to Mouth at Iowa River | |
| Timber Creek | County Road Bridge in S24,T83N,R18W to Mouth at Iowa River | |
| Mills | Missouri River | All |
| West Nishnabotna River | All | |
| Mitchell | Beaver Creek | Mouth at S1,T98N,R16W to North Line S8,T99N,R15W |
| Burr Oak Creek | County Road T46 to North Line S5,T98N,R16W | |
| Cedar River | South Line S13,T97N,R17W to North Line S8,T100N,R18W | |
| Little Cedar River | South Line S13,T97N,R15W to North Line S7,T100N,R16W | |
| Otter Creek | Mouth at S21,T100N,R18W to North Line S11,T100N,R18W | |
| Rock Creek | Conf. w/Goose Creek S35,T98N,R18W to Hwy. 9 | |
| Spring Creek | Mouth at S13,T97N,R17W to North Line S8,T97N,R16W | |
| Turtle Creek | Mouth at S23,T99N,R18W to East Line S7,T99N,R17W | |
| Wapsipinicon River | East County Line to North Line of S20,T100N,R15W | |
| Monona | Little Sioux River | All |
| Maple River | Mouth at Little Sioux River to North County Line | |
| Missouri River | All | |
| Soldier River | All | |
| West Fork, Little Sioux River | Mouth at Little Sioux River to North County Line | |
| Montgomery | East Nishnabotna River | All |
| Middle Nodaway River | Mouth at Nodaway River to East County Line | |
| Nodaway River | All | |
| Muscatine | Cedar River | All |
| Mississippi River | All | |
| Mud Creek | West Line of S5,T78N,R1E to Mouth at Mississippi River | |
| Muscatine Slough | South Line of S4,T76N,R2W to South County Line | |
| Pike Run | South Line of S34,T78N,R3W to S19,T77N,R3W | |
| Pine Creek | Wildcat Den State Park to Mouth at Mississippi River | |
| Sugar Creek | North County Line to Mouth at the Cedar River | |
| Wapsinonoc Creek | North County Line to Mouth at the Cedar River | |
| Weise Slough | S19,T78N,R3W | |
| O’Brien | Little Sioux River | All |
| Osceola | Little Rock River | All |
| Ocheyedan River | All | |
| Page | East Nishnabotna River | All |
| East Nodaway River | East County Line to Mouth at the Nodaway River | |
| Nodaway River | All | |
| Tarkio River | Hwy. 2 to South County Line | |
| Palo Alto | West Fork, Des Moines River | All |
| Plymouth | Big Sioux River | All |
| Floyd River | All | |
| West Fork, Little Sioux River | All | |
| Pocahontas | Lizard Creek | West Line of S2,T90N,R31W to East County Line |
| North Branch, Lizard Creek | North Line of S6,T91N,R31W to Mouth with Lizard Creek | |
| Pilot Creek | West Line of S9,T92N,R31W to Mouth with the West Fork, Des Moines River | |
| West Fork, Des Moines River | All | |
| Polk | Beaver Creek | All |
| Des Moines River | All | |
| North River | All | |
| Raccoon River | All | |
| South Skunk River | All | |
| Walnut Creek | All | |
| Pottawattamie | East Nishnabotna River | All |
| Missouri River | All | |
| West Nishnabotna River | All | |
| Poweshiek | Bear Creek | NW¼ S8,T80N,R14W to the East County Line |
| North Fork, English River | North Line of S23,T79N,R14W to East County Line | |
| North Skunk River | All | |
| Ringgold | East Fork, Grand River | South County Line to Hwy. 2 |
| Grand River | South County Line to Hwy. 66 | |
| Platte River | All | |
| Thompson River | All | |
| Sac | Big Cedar Creek | West Line of S10,T88N,R35W to the Mouth at the North Raccoon River |
| Boyer River | West Line of S5,T89N,R37W to South County Line | |
| Indian Creek | North Line of S7,T87N,R36W to Mouth at the North Raccoon River | |
| North Raccoon River | All | |
| Outlet Creek | East Line of S35,T87N,R36W to Mouth at Indian Creek | |
| Scott | Lost Creek | North Line of S32,T80N,R5E to Mouth at the Wapsipinicon River |
| Mississippi River | All | |
| Mud Creek | County Road Bridge in S11,T79N,R1E to Mouth at the Wapsipinicon River | |
| Wapsipinicon River | All | |
| Sioux | Big Sioux River | All |
| Floyd River | Hwy. 18 to South County Line | |
| Rock River | All | |
| Story | Skunk River | All |
| Tama | Iowa River | All |
| Salt Creek | West Line of S28,T84N,R13W to Mouth at the Iowa River | |
| Wolf Creek | All | |
| Taylor | East Fork, 102 River | Hwy. 49 to South County Line |
| Platte River | All | |
| West Fork, 102 River | Hwy. 2 to South County Line | |
| Union | Platte River | All |
| Thompson River | All | |
| Van Buren | Cedar Creek | All |
| Des Moines River | All | |
| Wapello | Des Moines River | All |
| Warren | Clanton Creek | West County Line to Mouth at Des Moines River |
| Middle River | West County Line to Mouth at Des Moines River | |
| North River | All | |
| South River | All | |
| Whitebreast Creek | All | |
| Washington | Camp Creek | North Line of S33,T77N,R7W to the Mouth at English River |
| Clemons Creek | West Line of S9,T75N,R8W to the South Line S14,T75N,R8W | |
| Crooked Creek | East Line of S28,T76N,R9W to Henry County Line | |
| Dutch Creek | South Line of S21,T75N,R9W to the Mouth at the Skunk River | |
| East Fork, Crooked Creek | All | |
| English River | All | |
| Goose Creek | East County Line to East Line of S22,T76N,R6W | |
| Honey Creek | Lake Darling to Mouth at the Skunk River | |
| Iowa River | All | |
| Long Creek | East County Line to West Line of S26,T75N,R6W | |
| North Fork, Long Creek | East Line of S3,T75N,R7W to Mouth at Long Creek | |
| Skunk River | All | |
| Smith Creek | West County Line to Mouth at the English River | |
| South Fork, Long Creek | County Road W61 to Mouth at Long Creek | |
| Williams Creek | South County Line to Mouth at East Fork, Crooked Creek | |
| Wayne | North Chariton River | Rathbun Lake to Hwy. 14 |
| South Chariton River | Rathbun Lake to County Road S56 | |
| Webster | Brushy Creek | North Line of S8,T88N,R27W to Mouth at the Des Moines River |
| Deer Creek | North Line of S16,T90N,R29W to Mouth at the Des Moines River | |
| Des Moines River | All | |
| North Branch, Lizard Creek | West County Line to Mouth at Des Moines River | |
| Prairie Creek | West Line of S29,T88N,R28W to Mouth at the Des Moines River | |
| Winnebago | Winnebago River | All |
| Winneshiek | Bear Creek | East Line, S25,T100N,R7W to East Line of S29,T100N,R7W |
| Bohemian Creek | Mouth at Turkey River to West Line S18,T97N,R10W | |
| Canoe Creek | County Road W38 to West Line S8,T99N,R8W | |
| Casey Spring | Mouth in S25,T99N,R9W to West line S26,T99N,R9W | |
| Coldwater Creek | Mouth S32,T100N,R9W to North Line S11,T100N,R10W | |
| Coon Creek | Mouth S2,T98N,R7W to NW¼ S13,T98N,R7W | |
| Dry Run Creek | Mouth S17,T98N,R8W to West Line S36,T98N,R9W | |
| East Pine Creek | Mouth S28,T100N,R9W to North Line of S9,T100N,R9W | |
| Martha Creek | Mouth S6,T99N,R9W to West Line of S13,T99N,R10W | |
| Middle Bear Creek | Mouth S14,T100N,R7W to North Line S16,T100N,R7W | |
| Nichols Creek | Mouth S18,T100N,R10W to West Line S18,T100N,R10W | |
| North Bear Creek | Conf. w/South Bear Creek, S25,T100N,R7W to East Line of S10,T100N,R7W | |
| North Canoe Creek | Mouth S22,T99N,R8W to North Line S1,T99N,R8W | |
| Pine Creek | Mouth at Upper Iowa River to the North Line S7,T100N,R9W | |
| Pine Creek | Mouth at Canoe Creek to the North Line S21,T99N,R7W | |
| Paint Creek | East Line S13,T99N,R7W to West Line S11,T99N,R7W | |
| Silver Creek | Mouth at Upper Iowa River to North Line S26,T100N,R9W | |
| Smith Creek | Conf. w/Trout Creek in S21,T98N,R7W to South Line S33,T98N,R7W | |
| Ten Mile Creek | Mouth at Upper Iowa River to Conf. w/Walnut Creek at S18,T98N,R9W | |
| Trout Creek | Mouth at Upper Iowa River to Conf. w/Smith Creek at S21,T98N,R7W | |
| Trout Creek | Mouth at Upper Iowa River to East Line of S27,T98N,R8W | |
| Trout Run Creek | Road Crossing at NW¼ S1,T97N,R8W to Mouth at Trout Creek | |
| Twin Springs Creek | West Line of S17,T98N,R8W to Mouth at Upper Iowa River | |
| Upper Iowa River | All | |
| Woodbury | Big Sioux River | All |
| Floyd River | All | |
| Little Sioux River | All | |
| Maple River | All | |
| Missouri River | All | |
| West Fork, Little Sioux River | All | |
| Worth | Beaver Creek | Hwy. 9 to Mouth at Winnebago River |
| Deer Creek | County Road S56 to East County Line | |
| Elk Creek | Hwy. 105 to Mouth at Shell Rock River | |
| Shell Rock River | All | |
| Willow Creek | Hwy. 9 to Mouth at Winnebago River | |
| Winans Creek | Hwy. 9 to Mouth at Winnebago River | |
| Wright | Boone River | All |
| Eagle Creek | County Road R33 to South County Line | |
| East Fork, Iowa River | North County Line to Mouth at Iowa River | |
| Iowa River | South Line of S19,T93N,R23W to East County Line | |
| West Fork, Iowa River | North County Line to Mouth at Iowa River | |
| White Fox Creek | County Road R38 to South County Line |
[ARC 9224C, IAB 5/14/25, effective 6/18/25]