South Central Regional Map of 2010 303(d) Impaired Waters - click for PDF version

WBID Waterbody Location County(s) IR Category Impairment(s)
IA 03-NSK-00330-L_0 Arbor Lake Poweshiek County S20T80NR16W W edge of Grinnell Poweshiek 4a nutrients; siltation
IA 04-LDM-03080-L_0 Badger Creek Lake Madison County S11T77NR27W 9 mi. E of Earlham. Madison 4a nutrients; siltation
IA 02-IOW-0180_2 Bear Creek from confluence with L. Bear Cr. (S16, T80N, R13W, Poweshiek Co.) to confluence with unnamed tributary in SW 1/4, S9, T8 Poweshiek 5b-t biological-fish/inverts
IA 04-UDM-0110_1 Beaver Creek mouth (S17, T79N, R24W, Polk Co.) to the Polk/Dallas county line (west line, S18, T80N, R25W, Polk Co. Polk 5p bacteria
IA 04-RAC-01750-L_0 Beaver Lake Dallas County S20T78NR29W 1.5 mi. N of Dexter. Dallas 5a algae; pH
IA 02-IOW-0213_0 Bennett Creek From mouth (T83N R15W Sec32 Tama Co.) to headwaters (T82N R16W Sec16 Tama Co.) excluding portion on Mesqwaki Settlement Tama 5p bacteria
IA 04-UDM-0140-L_0 Big Creek Lake Polk County S22T81NR25W near Polk City Polk 5a bacteria
IA 05-CHA-00690-L_0 Bob White Lake Wayne County S4T68NR22W 1 mi W of Allerton. Wayne 5a & 4a algae; bacteria; siltation
IA 04-LDM-0228_0 Camp Creek mouth (S7, T77N, R21W, Marion Co.) to confluence with unnamed tributary in  S14, T79N, R22W, Polk Co. Jasper, Marion, Polk, Warren 4a nutrients; siltation
IA 02-CED-03060-L_0 Casey Lake (aka Hickory Hills Lake) Tama County S13T86NR13W 6 mi N of Dysart. Tama 5a algae; pH
IA 04-LDM-0160_0 Cedar Creek mouth (S33, T75N, R17W, Mahaska Co.) to confluence with North Cedar Cr. in  S15, T74N, R18W, Marion Co. Mahaska, Marion 5p bacteria
IA 04-LDM-0170_0 Cedar Creek N Cedar Cr->Mormon Br S5,T71N,R18W, Monroe Co Marion, Monroe 5b-t biological-fish/inverts
IA 04-LDM-03085-L_0 Cedar Lake Madison County S19T76NR27W near Winterset. Madison 4a atrazine; nitrate
IA 05-CHA-00302_0 Chariton Creek mouth (S19, T71N, R23W, Lucas Co.) to headwaters Clarke, Lucas, Wayne 5p bacteria
IA 05-CHA-00301_0 Chariton River from confluence with Chariton Creek (S19, T71N, R23W, Lucas Co.) to headwaters Clarke, Decatur, Lucas 5p bacteria
IA 05-CHA-0030_1 Chariton River from upper end of Rathbun Lake to Hwy 14, Lucas Co. Lucas 5a & 5p bacteria; low DO
IA 05-CHA-0030_2 Chariton River from Hwy 14 (Lucas Co.) to confluence with Chariton Cr. in S19, T71N, R23W, Lucas Co. Lucas 5b-t biological-fish/inverts
IA 05-CHA-0040_0 Cooper Creek mouth to trib S9,T68N,R19W Appanoose Co. Appanoose 5b-t biological-fish/inverts
IA 04-LDM-0020_3 Des Moines River from confluence with Cedar Cr. (S33, T75N, R17W, Mahaska Co.) to dam of Red Rock Reservoir in S19, T76N, R18W, Marion Co Mahaska, Marion 4c flow alteration
IA 04-UDM-0030_1 Des Moines River from upper end of Saylorville Reservior to Fraser Dam in S34, T85N, R27W, Boone Co. Boone, Dallas, Polk, Webster 5a bacteria
IA 04-LDM-0040_1 Des Moines River upper end of Red Rock Reservoir (W line, S34, T77N, R20W, Marion Co.) to confluence with South R. in S12, T77N, R22W, Wa Marion, Polk, Warren 4a bacteria
IA 04-LDM-0040_2 Des Moines River from confluence with South R. (S12, T77N, R22W, Warren Co.) to confluence with North R. in S36, T78N, R23W, Polk Co. Polk, Warren 4a bacteria
IA 04-LDM-0040_3 Des Moines River from confluence with North R. (S36, T78N, R23W, Polk Co.) to confluence with Raccoon R. in S10, T78N, R24W, Polk Co. Polk 4a bacteria
IA 04-UDM-0010_1 Des Moines River from confluence with Raccoon R. in Des Moines to Center Street Dam in Des Moines, Polk Co. Polk 4a bacteria
IA 04-UDM-0010_2 Des Moines River from Center Street Dam in Des Moines to the Interstate 80/35 bridge in S17, T79N, R24W, Polk Co. Polk 4a bacteria; nitrate
IA 05-CHA-0067_0 Dick Creek mouth to trib S18,T69N,R22W Wayne Co. Wayne 5b-t biological-fish/inverts
IA 04-UDM-01650-L_0 Don Williams Lake Boone County S5T84NR27W 5 mi. N of Ogden. Boone 5a & 4a bacteria; organic enrichment; siltation
IA 05-GRA-0030_0 East Fork Medicine Creek IA/MO line to trib S24,T68N,R22W Wayne Co Wayne 5b-t biological-fish/inverts
IA 04-LDM-02190-L_0 East Lake (Osceola) Clarke County S16T72NR25W 0.5 mi E of Osceola. Clarke 4a algae; turbidity
IA 04-LDM-00490-L_0 Easter Lake Polk County S19T78R23W SE edge of Des Moines. Polk 5a & 4a bacteria; nutrients; siltation
IA 05-CHA-0077_0 Fivemile Creek mouth (S35, T71N, R22W, Lucas Co.) to confluence with unnamed tributary in S29, T71N, R22W, Lucas Co. Lucas, Wayne 5a & 5p ammonia; bacteria
IA 04-LDM-02700-L_0 Grade Lake Osceola (T72N R25W Sec19)   5a mercury (in fish)
IA 02-IOW-00660-L_0 Green Castle Lake Marshall County S8T82NR17W 1 mi. S of Ferguson. Marshall 5a pH
IA 03-NSK-00250-L_0 Hawthorne Lake (aka Barnes City Lake) Mahaska County S10T77NR14W 1 mi S of Barnes City. Mahaska 5a algae; turbidity
IA 03-SSK-00530-L_0 Hickory Grove Lake Story County S24T83NR22W 2.5 mi SW of Colo. Story 5a bacteria
IA 05-CHA-0068_0 Honey Creek mouth (S26, T71N, R20W, Lucas Co.)  to confluence with unnamed tribuary in  S10 ,T71N, R20W, Lucas Co. Lucas 5p bacteria
IA 05-CHA-0056_0 Honey Creek from upper end of Honey Creek arm of Rathbun Lake (NW 1/4, S8, T70N, R18W, Appanoose Co.) to headwaters in NW 1/4, S27, Appanoose, Monroe 5p bacteria
IA 03-SSK-0040_0 Indian Creek mouth (S32, T80N, R20W, Jasper Co.) to confluence of East Indian and West Indian creeks in S16, T82N, R22W, Story Co. Jasper, Polk, Story 5p bacteria
IA 02-IOW-0060_4 Iowa River from confluence Timber Cr. (S3, T83N, R17W, Marshall Co.) to confluence with Asher Cr. in S27, T84N, R18W, Marshall Co. Marshall 5a bacteria
IA 02-IOW-0060_5 Iowa River from confluence with Asher Cr. at Marshalltown (S27, T84N, R18W, Marshall Co.) to confluence with Minerva Cr. in S2, T84 Marshall 5a bacteria
IA 05-CHA-0063_0 Jackson Creek mouth (S1, T70N, R21W, Wayne Co.) to confluence with unnamed tributary in S12, T68N, R21W, Wayne Co. Wayne 5b & 5p bacteria; biological-fish/inverts
IA 05-CHA-0062_0 Jordan Creek mouth (S1, T70N, R21W, Wayne Co.) to confluence with unnamed tributary in  E 1/2, NW 1/4, S26, T70N, R21W, Wayne Co. Wayne 5b & 5p bacteria; biological-fish/inverts
IA 04-LDM-02615-L_0 Lake Ahquabi Warren County S14T75NR24W 4 mi SSW of Indianola. Warren 5a algae
IA 03-SSK-00120-L_0 Lake Keomah Mahaska County S13T75NR15W 4.5 mi E of Oskaloosa. Mahaska 5a & 4a algae; bacteria; pH; siltation
IA 04-LDM-00270-L_0 Lake Miami Monroe County S20T73NR17W 5 mi. SE of Lovilia. Monroe 4a siltation
IA 03-SSK-0056-L_0 Lake Patoka Polk Co. T80N R22W Section 29 SE East of Bondurant on Hwy 65 Polk 5b biological-fish kill
IA 02-IOW-0185_1 Little Bear Creek mouth (S16, T80N, R13W, Poweshiek Co.) to confluence with unnamed tributary in SE 1/4, NW 1/4, S29, T80N, R14W, Poweshie Poweshiek 5b-t biological-fish/inverts
IA 04-UDM-0124_0 Little Beaver Creek mouth (S14, T81N, R27W, Dallas Co.) to confluence with unnamed tributary in S29, T82N, R27W, Boone Co. Boone, Dallas 4c habitat alterations
IA 05-GRA-0080_0 Little River IA/MO line to dam S30,T69N,R25W Decatur Decatur 5b-t biological-fish/inverts
IA 05-GRA-00810-L_0 Little River Watershed Lake Decatur County S19T69NR25W approx 2 mi NW of Leon. Decatur 5a algae; turbidity
IA 03-NSK-00350-L_0 Mariposa Lake Jasper County S32T81NR18W 6 mi. NE of Newton. Jasper 4a algae; turbidity
IA 04-LDM-0270_0 Middle River mouth (Warren Co.) to confluence with Clanton Cr. in  S28, T76N, R25W, Warren Co. Warren 5a & 5b bacteria; biological-fish/inverts
IA 04-LDM-0140_1 Muchakinock Creek mouth (SW 1/4, NW 1/4, S6, T73N, R15W, Wapello Co.) to confluence with Little Muchakinock Cr. in S34, T75N, R16W, Mahask Mahaska, Monroe, Wapello 5b-t biologica-fish/inverts
IA 04-LDM-0140_2 Muchakinock Creek from confluence with Little Muchakinock Cr. (S34, T75N, R16W, Mahaska Co.) to confluence with unnamed tributary in NW 1/ Mahaska 5b-t biologica-fish/inverts
IA 05-GRA-01010-L_0 Nine Eagles Lake Decatur County S18T67NR25W 3.5 mi. SE of Davis City. Decatur 5a & 4a bacteria; mercury (in fish); turbidity
IA 05-CHA-0066_0 Ninemile Creek mouth (S4, T69N, R22W, Wayne Co.) to confluence with unnamed tributary in  S31, T70N, R22W, Wayne Co. Wayne 5b & 5p bacteria; biological-fish/inverts
IA 04-LDM-02726-L_0 North Banner Lake Warren County S30T77NR23W 5 mi N of Indianola. Warren 5a mercury (in fish)
IA 04-LDM-0300_2 North River from Co. Rd. R-63 (S16, T77N, R24W, Warren Co.) to confluence with Badger Cr. in S33, T77N, R25W, Warren Co. Warren 5a & 5b bacteria; biological-fish/inverts
IA 03-NSK-0020_2 North Skunk River from the Mahaska/Poweshiek line to confluence with Sugar Cr. in S20, T78N, R16W, Poweshiek Co. Poweshiek 5b-t biological-fish/inverts
IA 03-NSK-0030_0 North Skunk River from confluence with Sugar Cr. (S20, T78N, R16W, Poweshiek Co.) to confluence with Snipe Cr. in S22, T81N, R19W, Jasper Jasper, Poweshiek 4c & 4d habitat alterations; fish kill-restitution sought/received
IA 02-IOW-02095-L_0 Otter Creek Lake Tama County S31T84NR14W 5 mi NE of Toledo. Tama 5a algae
IA 04-RAC-0010_1 Raccoon River mouth (at Des Moines, Polk Co.) to the Polk/Dallas county line Polk 4a bacteria; nitrate
IA 04-RAC-0010_2 Raccoon River from the Polk/Dallas county line to conflulence of North Raccoon and South Raccoon rivers in Dallas Co. Dallas 4a bacteria; nitrate
IA 05-CHA-0020-L_2 Rathbun Reservoir from main lake basin uplake to inflow of South Fork Chariton River in S36 T70N R20W Wayne Co. Appanoose, Wayne 5a algae; turbidity
IA 05-CHA-0020-L_3 Rathbun Reservoir from main lake basin (state highway 142) uplake to inflow of the Chariton River at the Wayne/Lucas county line. Appanoose, Wayne 5a algae; turbidity
IA 05-CHA-0020-L_0 Rathbun Reservoir from main lake basin uplake to inflow of Honey Creek in NW1/4 S8 T70N R18W Appanoose Co. Appanoose 5a turbidity
IA 02-IOW-0215_0 Raven Creek mouth (S25 T83NR16W Tama Co.) to W line of S35 T83N R16W Tama Co. Tama 5p bacteria
IA 04-LDM-02296-L_0 Red Haw Lake Lucas County S28T71NR21W 2 mi SE of Chariton. Lucas 5a bacteria; mercury (in fish)
IA 04-LDM-0030-L_0 Red Rock Reservoir Marion County S19T76NR18W near Pella.   5a bacteria; turbidity
IA 04-LDM-00380-L_0 Roberts Creek Lake Marion County S4T76NR19W 6 mi NE of Knoxville. Marion 5a algae; turbidity
IA 03-NSK-00340-L_0 Rock Creek Lake Jasper County S17T80NR17W 4 mi. ENE of Kellogg. Jasper 5a & 4a bacteria; nutrients; siltation
IA 04-UDM-0020-L_0 Saylorville Reservoir Polk County Saylorville Dam to Polk-Dallas county line. Polk 5a bacteria
IA 04-LDM-0090_2 Soap Creek from confluence with Little Soap Cr. (S1, T70N, R13W, Davis Co.) to confluence with unnamed tributary in S31, T71N, R16W Appanoose, Davis, Monroe 5b-t biologica-fish/inverts
IA 04-LDM-02725-L_0 South Banner Lake Warren County S30T77NR23W 5 mi N of Indianola. Warren 5a mercury (in fish)
IA 05-CHA-0060_1 South Fork Chariton River mouth (at Rathbun Lake) to confluence with Ninemile Cr. in S4, T69N, R22W, Wayne Co. Wayne 5b & 5p bacteria; biological-fish/inverts
IA 05-CHA-0060_2 South Fork Chariton River from confluence with Ninemile Cr. (S4, T69N, R22W, Wayne Co.) to outfall of Bob White Lake in S4, T68N, R22W, Wayne Co. Wayne 5b & 5p bacteria; biological-fish/inverts
IA 04-RAC-0170_0 South Raccoon River mouth (S21, T78, R27W, Dallas Co.) to confluence with Middle Raccoon R. in S9, T78N, R29W near Redfield in Dallas Co Dallas 5a bacteria
IA 04-LDM-0230_0 South River mouth (Warren Co.) to confluence with Squaw Cr. in S2, T75N, R24W, Warren Co. Polk, Warren 5p bacteria
IA 03-SSK-0020_1 South Skunk River from confluence with Indian Creek (S32, T80N, R20W, Jasper Co.) to outfall of Ames wastewater treatment plant in SW 1/4, Jasper, Polk, Story 5a bacteria
IA 03-SSK-0030_2 South Skunk River from the Ames Water Works dam in River Valley Park at Ames (S36, T84N, R24W, Story Co.) to the Co. Rd. at north line of Story 5a bacteria
IA 03-SSK-0010_3 South Skunk River from the Highway 63 bridge north of Oskaloosa (S25, T76N, R16W, Mahaska Co.) to confluence with Elk Cr. in NE 1/4, S19, Mahaska 5a bacteria; nitrate
IA 04-LDM-0212_0 South White Breast Creek mouth (S3, T71N, R24W, Clarke Co.) to headwaters Clarke 4c habitat alteraions
IA 05-GRA-0040_0 Thompson River from the Iowa/Missouri state line to confluence with Long Cr. in SW 1/4, S8, T69N, R26W, Decatur Co. Decatur 5a bacteria
IA 02-IOW-02195-L_0 Union Grove Lake Tama County S33T85NR16W 2.5 mi NW of Garwin. Tama 4a algae; bacteria; pH; turbidity
IA 05-CHA-0057_0 Unnamed Tributary to Rathbun Reservoir mouth to headwaters Appanoose 5b biological-fish kill
IA 02-IOW-01885_0 Unnamed Tributary to Walnut Creek mouth to headwaters, Poweshiek Co Poweshiek 4d fish kill-restitution sought/received
IA 05-CHA-00325-L_0 Upper Centerville Reservoir Appanoose County S11T68NR18W near Centerville.   5a mercury (in fish)
IA 05-CHA-0061_0 Walker Branch mouth (S36, T70N, R20W, Wayne Co.) to confluence with S. Fk. Walker Branch in SE 1/4, S26, T70N, R20W, Wayne Co. Wayne 5p bacteria
IA 03-SSK-0058_0 Walnut Creek mouth (S5, T82N, R23W, Story Co.) to confluence with unnamed tributary in SE 1/4, S34, T83N, R24W, Story Co. Story 5b-t biological-fish/inverts
IA 02-IOW-0187_2 Walnut Creek from confluence with North Walnut Cr. (S7, T81N, R13W, Poweshiek Co.) to confluence with unnamed tributary in NW 1/4, S2 Poweshiek 5b-t biological-fish/inverts
IA 04-RAC-0020_1 Walnut Creek mouth (S13 T78 R25W Polk Co.) to Interstate 35/80 in S33 T79N R25W Polk Co. Polk 4a bacteria
IA 05-GRA-0070_0 Weldon River IA/MO line to Mormon Pool, Decatur Co. Decatur 5b-t biological-fish/inverts
IA 05-CHA-0064_0 West Jackson Creek mouth to trib S31,T69N,R21W Wayne Co. Wayne 5b-t biological-fish/inverts
IA 04-LDM-02690-L_0 West Lake (Osceola) Clarke County S13T72NR26W approx 2 mi W of Osceola. Clarke 5a low DO
IA 04-LDM-0210_1 White Breast Creek from confuence with Little White Breast Cr. (S11, T73N, R22W, Lucas Co.) to confluence with Brush Cr. in S22, T72N, R23W Lucas 4c habitat alterations
IA 04-LDM-0200_0 White Breast Creek from mouth (S10, T76N, R19W, Marion Co.) to confluence with Little White Breast Cr. in S11, T73, R22, Lucas Co. Lucas, Marion, Warren 5a & 5b bacteria; biological-fish/inverts; low DO
IA 04-LDM-0210_2 White Breast Creek from confuence with Brush Cr. (S22, T72N, R23W, Lucas Co.) to confluence with unnamed tributary in S4, T71N, R24W, Clark Clarke, Lucas 5b-t biological-fish/inverts
IA 03-SSK-00118-L_0 White Oak Conservation Area Lake Mahaska County S28T75NR14W 4 mi SSW of Rose Hill. Mahaska 5a algae; pH
IA 04-LDM-01995-L_0 Williamson Pond Lucas County S27T73NR21W 2 mi. E of Williamson. Lucas 4a turbidity
IA 05-CHA-0070_0 Wolf Creek mouth (S15, T71N, R21W, Lucas Co.) to confluence with unnamed tributary  in E 1/2, NW 1/4, S8, T70N, R22W, Wayne Co. Lucas, Wayne 5b & 5p bacteria; biological-fish/inverts
IA 04-LDM-0340_0 Yeader Creek from upper end of Easter Lake (SE 1/4, S23, T78N, R24W, Polk Co.) to Fleur Drive near Des Moines airport (S29, T78N, R24 Polk 4a priority organics (glycols)