| WBID | Waterbody | Location | County(s) | IR Category | Impairment(s) |
| IA 06-WED-00270-L_0 | Arrowhead Pond | Pottawattamie County S29T77NR41W 1.5 mi SE of Neola | Pottawattamie | 5a & 4a | algae; biological-fish kill; siltation |
| IA 06-WEM-00450-L_0 | Badger Lake | Monona County S29T85NR46W 4 mi. WNW of Whiting. | Monona | 4c | hydrological modifications |
| IA 05-NOD-00415-L_0 | Binder Lake | Adams County S25T72NR34W 1 mile NE of Corning. | Adams | 4c | siltation; habitat alterations (nuisance species) |
| IA 06-WEM-00420-L_0 | Blencoe Lake | Monona County S31T82NR45W 5 mi. SW of Blencoe | Monona | 4c | hydrological modifications |
| IA 05-PLA-0015-L_0 | Blockton Reservoir | S2 T67N R32W Taylor Co. | Taylor | 5a | turbidity |
| IA 06-WEM-00445-L_0 | Blue Lake | Monona County S35T84NR46W 2 mi. W of Onawa. | Monona | 4a | algae; turbidity |
| IA 06-BOY-0020_1 | Boyer River | from confluence with Willow Cr. (S28, T78N, R44W, Harrison Co.) to the Harrison-Crawford county line. | Harrison | 5a | bacteria |
| IA 04-RAC-0251_0 | Brushy Creek | from Guthrie/Audubon county line (west line, S6, T81N, R33W, Guthrie Co.) to confluence with an unnamed tributary in S6, | Audubon, Carroll | 5b | biological-fish kill |
| IA 04-RAC-0253_0 | Brushy Creek | from mouth (S27, T84N, R36W, Carroll Co.) to Mahogany Rd. in S6, T82N, R34W. | Carroll | 5b | biological-fish kill |
| IA 06-WEM-00265-L_0 | Carter Lake | Pottawattamie County S23T75NR44W at Carter Lake. | Pottawattamie | 5a & 4a | low DO; PCBs (in fish); algae; turbidity |
| IA 05-NSH-00310-L_0 | Cold Springs Lake | Cass County S15T75NR37W 1 mi S of Lewis. | Cass | 5a | turbidity |
| IA 05-NSH-0063_0 | Davids Creek | mouth (S4, T79N, R35W, Audubon Co.) to Honey Cr. in S31, T79N, R34W, Audubon Co. | Audubon | 5b | biological-fish kill |
| IA 06-WEM-00340-L_0 | DeSoto Bend | Harrison County S21T78NR45W 5 mi. W of Missouri Valley. | Harrison, Pottawattamie | 5a | algae; turbidity |
| IA 05-NSH-0020_1 | East Nishnabotna River | mouth (S2, T67N, R42W, Fremont Co.) to confluence with Fisher Cr. in S27, T69N, R40W, Fremont Co. | Fremont | 5a | bacteria |
| IA 05-NSH-0020_2 | East Nishnabotna River | from confluence with Fisher Cr. (S27, T69N, R40W, Fremont Co.) to Page/Montgomery county line | Fremont, Page | 5a | bacteria |
| IA 05-NOD-0030_2 | East Nodaway River | Long Branch Cr (at W line, S17, T70N, R35W, Taylor Co.) to Kemp Cr at E line, S11, T71N, R35W, Adams Co. | Adams, Taylor | 5b-t | biological-fish/inverts |
| IA 05-NOD-0030_1 | East Nodaway River | mouth (S6, T67N, R36W, Page Co.) to confluence with Long Branch Cr at S17-18 line, T70N, R35W, Taylor Co. | Page, Taylor | 5p | bacteria |
| IA 06-BOY-0045_0 | Elk Creek | mouth (T80N R43W Sec11) to headwaters (T81N R42W Sec7) | Harrison | 4d | fish kill-restitution sought/received |
| IA 05-PLA-00295-L_0 | Green Valley Lake | Union County S26T73NR31W 2.5 mi NW of Creston. | Union | 5a | algae |
| IA 05-NSH-0133_0 | Jordan Creek | mouth (S31, T74N, R39W, Pottawattamie Co.) to confluence with Spring Cr. in S4, T74N, R39W, Pottawattamie Co. | Pottawattamie | 5b-t | biological-fish/inverts |
| IA 06-WED-0010_2 | Keg Creek | from confluence with Little Keg Cr. (S27, T75N, R42W, Pottawattamie Co.) to confluence with unnamed tributary in S35, T7 | Pottawattamie | 5b-t | biological-fish/inverts |
| IA 06-WED-0010_1 | Keg Creek | mouth (S6, T71N, R43W, Mills Co.) to confluence with Little Keg Cr. in S27, T75N, R42W, Pottawattamie Co. | Harrison, Mills, Pottawattamie | 5b-t | biological-fish/inverts |
| IA 05-NSH-00580-L_0 | Lake Anita | Cass County S32T77NR34W 1/2 mi S Anita. | 5a | bacteria | |
| IA 06-WEM-00235-L_0 | Lake Manawa | Pottawattamie County S13T74NR44W S edge Council Bluffs | Pottawattamie | 5a | algae; turbidity |
| IA 05-PLA-00335-L_0 | Lake of Three Fires | Taylor County S12T68NR34W 2 mi NNE of Bedford. | Taylor | 5a & 4a | bacteria; nutrients; siltation |
| IA 04-RAC-0280-L_0 | Lakin Slough | Guthrie County S34T81NR30W 2 mi ENE of Yale. | Guthrie | 4c | habitat alterations (nuisance species) |
| IA 05-NSH-00675-L_0 | Littlefield Lake | Audubon County S17T78NR34W approx 4 mi SE of Exira. | Audubon | 4a | algae; turbidity |
| IA 05-GRA-01920-L_0 | Loch Ayr | Ringgold County S30T69NR29W 2 miles N of Mt. Ayr. | Ringgold | 5a | atrazine |
| IA 05-GRA-0170_0 | Lotts Creek | IA/MO line (S24, TT67N, R29W, Ringgold Co.) to confluence with Tuckers Cr. in S12, T67N, R29W, Ringold Co. | Ringgold | 5b-t | biological-fish/inverts |
| IA 04-RAC-0123_0 | Marrowbone Creek | mouth to trib S17,T85N,R33W Carroll Co. | Carroll | 5a & 5b | biological-fish/inverts; low DO |
| IA 04-LDM-02870-L_0 | Meadow Lake | Adair County S17T76NR31W 5 mi N of Greenfield. | Adair | 5a | algae |
| IA 05-GRA-0180_0 | Middle Fork Grand River | IA/MO line to trib S13,T68N,R30W Ringgold | Ringgold | 5b-t | biological-fish/inverts |
| IA 05-NOD-0070_0 | Middle Nodaway River | from confluence with West Fork Middle Nodaway R. (S33, T74N, R33W, Adair Co.) to confluence with unnamed tributary in S1 | Adair | 5b-t | biological-fish/inverts |
| IA 04-RAC-0200_3 | Middle Raccoon River | from Panora DW intake to Lake Panorama dam | Guthrie | 4a | nitrate |
| IA 05-NSH-0034_0 | Mill Creek | Confluence with trib S15,T67N,R41W Fremont Co. to headwaters | Fremont | 4d | fish kill-restitution sought/received |
| IA 06-WEM-0040_1 | Missouri River | from confluence with Little Sioux R. (Harrison Co.) to confluence with Elm Cr. at river mile 691.0 at Decatur, NE (=S18, | Harrison, Monona | 4c | flow alteration; habitat alterations |
| IA 06-WEM-0030_0 | Missouri River | from confluence with Boyer R. (Pottawattamie Co.) to confluence with Little Sioux R. at river mile 669.2 in Harrison Co. | Harrison, Pottawattamie | 4c | flow alteration; habitat alterations |
| IA 06-WEM-0020_1 | Missouri River | from confluence with Platte R. (Mills Co.) to the water supply intake at Council Bluffs near River Mile 619 in SE 1/4, | Mills, Pottawattamie | 4c | flow alteration; habitat alterations |
| IA 06-WEM-0010_0 | Missouri River | from the Iowa/Missouri state line (Fremont Co.) to confluence with Platte R. west of Glenwood in Mills Co. | Fremont, Mills | 4c | flow alteration; habitat alterations |
| IA 06-WEM-0020_2 | Missouri River | from water supply intake at Council Bluffs (River Mile 619, in SE 1/4, S22, T75N, R44W, Pottawattamie Co.) to confluence | Pottawattamie | 5a & 4c | arsenic; flow alteration; habitat alterations |
| IA 05-NOD-00820-L_0 | Mormon Trail Lake | Adair County S17T76NR31W 1.5 mi SE of Bridgewater. | Adair | 5a | bacteria; pH; mercury (in fish) |
| IA 06-WED-0030_0 | Mosquito Creek | from confluence with Spring Cr. (S9, T78N, R41W, Harrison Co.) to confluence with Moser Cr. in NW 1/4, S12, T80N, R40W, | Harrison, Shelby | 4c | habitat alterations |
| IA 06-WED-0020_3 | Mosquito Creek | from confluence with Little Mosquito Cr. S29, T75N, R43W, Pottawattamie Co.) to confluence with Spring Cr. in S9, T78N, | Harrison, Pottawattamie | 5b-t | biological-fish/inverts |
| IA 04-RAC-02401_0 | Mosquito Creek | from confluence with unnamed tributary in S21, T81N, R30W, Guthrie Co. to headwaters in SW 1/4, S19, T81N, R31W, Guthrie | Guthrie | 5b | biological-fish kill |
| IA 06-WED-0020_1 | Mosquito Creek | mouth (S30, T74N, R43W, Pottawattamie Co.) to the drinking water intake for Lake Manawa in center, S7, T74N, R43W, Potta | Pottawattamie | 5b-t | biological-fish/inverts |
| IA 06-WED-0020_2 | Mosquito Creek | from drinking water intake for Lake Manawa (center, S7, T74N, R43W, Pottawattamie Co.) to confluence with Little Mosquit | Pottawattamie | 5b-t | biological-fish/inverts |
| IA 05-NSH-0128_0 | Mud Creek | mo to trib S14,T73N,R41W Mills Co. | Mills | 5b-t | biological-fish/inverts |
| IA 06-LSR-0125_0 | New Farmer Ditch (AKA Garretson Outlet Ditch) | from mouth (T84N R45W Sec12 ) to headwaters (T85N R45W Sec5) | Monona | 4d | fish kill-restitution sought/received |
| IA 05-NOD-0020_0 | Nodaway River (aka West Nodaway R.) | from confluence with East Nodaway R. (S6, T67N, R36W, Page Co.) to confluence with Middle Nodaway R. in S33, T71N, R36W, | Montgomery, Page | 5p | bacteria |
| IA 04-RAC-0040_1 | North Raccoon River | from confluence with Buttrick Cr. (S26, T83N, R30W, Greene Co.) to confluence with Short Cr. in S33, T84N, R31W, Greene | Greene | 4a | bacteria |
| IA 05-NOD-00485-L_0 | Orient Lake | Adair County S20T74NR31W approx 1 mi SW of Orient. | Adair | 5a & 4a | algae; pH; siltation |
| IA 06-BOY-0025_0 | Picayune Creek | mouth to headwaters | Harrison, Shelby | 4d | fish kill-restitution sought/received |
| IA 05-NSH-00220-L_0 | Pierce Creek Pond | Page County S29T70NR39W 4 mi N of Shenandoah. | Page | 4a | turbidity |
| IA 05-PLA-0020_0 | Platte River | East Platte R to trib S16,T72N,R31W Union Co | Adams, Ringgold, Union | 5a | biological-fish kill |
| IA 05-PLA-0021_0 | Platte River | from confluence with tributary (T72N R31W Sec16) to Summitt Lake(T72N R31W Sec3) | Union | 5a | biological-fish kill |
| IA 06-WED-0003_2 | Plum Creek | Thurman to trib S29,T70N,R42W, Fremont | Fremont | 5b-t | biological-fish/inverts |
| IA 05-NSH-01440-L_0 | Prairie Rose Lake | Shelby County S36T79NR38W 6 mi SE of Harlan. | Shelby | 5a | algae; pH; turbidity |
| IA 06-WEM-00452-L_0 | Rabbitt Island Lake | Monona County S28T85NR47W 10 mi. WNW of Whiting. | Monona | 4c | hydrological modifications |
| IA 05-NOD-0115_0 | Rose Creek | from mouth (T73N R36W Sec5 Montgomery Co.) to headwaters (T74N R36W Sec4 Cass Co.) | Cass | 5b | biological-fish kill |
| IA 06-WEM-00380-L_0 | Round Bend | Harrison County S13T80NR45W 2 mi. NNW of Mondamin. | Harrison | 4c | hydrological modifications |
| IA 05-NSH-0120_0 | Silver Creek | from Middle Silver Cr. (S31, T74N, R41W, Pottawattamie Co.) to confluence with Little Silver Cr. in S34, T78N, R40W, Sh | Pottawattamie, Shelby | 5b-t | biological-fish/inverts |
| IA 06-SOL-0010_1 | Soldier River | mouth (S17, T80N, R45W, Harrison Co.) to confluence with Jordan Cr. in S16, T82N, R43W, Monona Co. | Harrison, Monona | 5p | bacteria |
| IA 04-RAC-00805-L_0 | Spring Lake | Greene County S25T84NR30W 3 mi NW of Grand Junction. | Greene | 4a | turbidity |
| IA 04-RAC-02370-L_0 | Swan Lake | Carroll County S31T84NR34W 3 mi. SE of Carroll. | Carroll | 4a | algae; turbidity |
| IA 05-GRA-01410-L_0 | Thayer Lake | Union County S22T72NR28W 1 mi SW of Thayer. | Union | 5a | algae; turbidity |
| IA 05-NSH-0060_0 | Troublesome Creek | mouth to Fourmile Cr., Audubon Co. | Audubon, Cass | 5b-t | biological-fish/inverts |
| IA 06-WEM-00422-L_0 | Upper Blencoe Bend | Monona County S7T82NR46W 4 mi. SW of Blencoe. | Monona | 4c | hydrological modifications |
| IA 05-NOD-00930-L_0 | Viking Lake | Montgomery County S6T71NR36W 4 mi. E of Stanton. | Montgomery | 5a | algae; bacteria |
| IA 05-PLA-0040_1 | West Branch One Hundred And Two River | mouth (NW 1/4, S10, T68N, R35W, Taylor Co.) to confluence with Middle Branch One Hundred and Two R. in S6, T69N, R34W, T | Taylor | 5b-t | biological-fish/inverts |
| IA 05-NSH-0090_3 | West Nishnabotna River | from confluence with Elk Cr. (S36, T81N, R38W, Shelby Co.) to the Crawford-Carroll county line (west line, S36, T82N, R3 | Crawford, Shelby | 5b-t | biological-fish/inverts |
| IA 05-NSH-0090_4 | West Nishnabotna River | from the Crawford-Carroll county line (west line, S36, T82N, R37W, Crawford Co.) to confluence with unnamed tributary in | Carroll | 5b | biological-fish kill |
| IA 05-NSH-0080_1 | West Nishnabotna River | from confluence with Silver Cr. (S21, T71N, R41W, Mills Co.) to confluence Farm Cr. in S9, T73N, R40W, Mills Co. | Mills | 5a | bacteria |
| IA 05-TAR-0020_0 | West Tarkio Creek | from the Iowa/Missouri state line to confluence with an unnamed tributary in S9, T69N, R38W, Page Co. | Page | 5b-t | biological-fish/inverts |
| IA 06-BOY-00405-L_0 | Willow Lake | Harrison County S6T80NR42W 5 mi. NW of Woodbine. | Harrison | 5a | bacteria |
| IA 05-PLA-00380-L_0 | Wilson Park Lake | Taylor County S28T70NR32W 3 mi SSE of Lenox. | Taylor | 5a | algae |
| IA 05-PLA-00430-L_0 | Windmill Lake | Taylor County S36T69NR35W 4 mi E of New Market. | Taylor | 5a | algae; turbidity |
| IA 06-BOY-00510-L_0 | Yellow Smoke Park Lake | Crawford County S6T83NR38W 2 mi NE of Denison. | Crawford | 4a | siltation |