WBID	Waterbody	Location	Counties	IR Category	Impairment(s)
IA 02-WFC-0110_0	Bailey Creek	mouth (NE 1/4 S19 T93N R19W Franklin Co.) to confluence with unnamed tributary in S16 T94N R22W Cerro Gordo Co.	Cerro Gordo--Franklin	5b	Cause Unknown
IA 02-WFC-0090-L_0	Beeds Lake	Franklin County S20 T92N R20W 2 mi W 1 mi N of Hampton	Franklin	4a	Cause Unknown--Pathogens--Siltation--Turbidity
IA 02-IOW-00860-L_0	Big Wall Lake	Wright County S14 T90N R24W 8 mi WSW of Dows.	Wright	4c	Flow alteration
IA 02-CED-0370_2	Black Hawk Creek	from Hwy 58 (E 1/2 S27 T88N R14W Black Hawk Co.) to confluence with N. Fk. Black Hawk Cr. in S1 T87N R15W Grundy Co.	Black Hawk--Grundy	5b	Cause Unknown
IA 04-UDM-01880-L_0	Briggs Woods Lake	Hamilton County S17 T88N R25W near Webster City.	Hamilton	5b	Noxious aquatic plants--Nutrients--Organic enrichment/Low DO
IA 04-EDM-0090_3	Buffalo Creek	confluence with Little Buffalo Cr.(S4 T97N R27W Kossuth Co.) to confluence with Drainage Ditch 48 in S33 T98N R26W Winnebago Co.	Hancock--Kossuth--Winnebago	5b	Other habitat alterations--Siltation
IA 04-EDM-0090_2	Buffalo Creek	from confluence with Union Slough Outlet (S9 T97N R28W Kossuth Co.) to confluence with Little Buffalo Cr. in S4 T97N R27W Kossuth Co.	Kossuth	5b	Other habitat alterations--Siltation
IA 02-CED-0490_1	Burr Oak Creek	mouth (S12 T98N R16W Mitchell Co.) to Mitchell County Road T46 at W line S10 T98N R16W Mitchell Co.	Mitchell	5b	Other habitat alterations
IA 04-UDM-0247_0	Buttermilk Creek	mouth (T92N R26W Sec 33) to headwaters (T92N R26W Sec 34) Wright County	Wright	5a	Organic enrichment/Low DO
IA 02-WIN-0050_0	Calmus Creek	mouth (S34 T97N R20W Cerro Gordo Co.) to west line S30 T97N R20W Cerro Gordo Co.	Cerro Gordo	5b	Cause Unknown
IA 02-CED-0110_2	Cedar River	from Charles City Dam No. 2 (NW 1/4 NE 1/4 S12 T95N R16W Floyd Co.) to confluence with Rock Cr. in S24 T97N R17W Floyd Co.)	Floyd	5a	Mercury--Pathogens
IA 02-CED-0110_3	Cedar River	from Rock Cr. nr Orchard (S24 T97N R17W Floyd Co.) to Iowa / Minnesota state line (S8 T100N R18W Mitchell Co.)	Floyd--Mitchell	5a	Mercury--Nutrients--Other habitat alterations--Pathogens--Siltation
IA 02-WIN-00450-L_0	Clear Lake	Cerro Gordo County S13 T96N R22W at Clear Lake.	Cerro Gordo	5a	Algal Grwth/Chlorophyll a--Noxious aquatic plants--Pathogens--Turbidity
IA 02-IOW-04095-L_0	Crystal Lake	Hancock County S15 T97N R25W at Crystal Lake.	Hancock	4a	Algal Grwth/Chlorophyll a--Noxious aquatic plants--Nutrients--Suspended solids--Turbidity
IA 02-IOW-0380_1	East Branch Iowa River	mouth (S19 T93N R23W Wright Co.) to confluence with unnamed tributary in S16 T94N R23W Hancock Co. north of Goodell State Wildlife Management Area.	Hancock--Wright	5b	Organic enrichment/Low DO
IA 04-EDM-0010_1	East Fork Des Moines River	mouth (Humboldt Co.) to Hwy 169 at Devine Access in S26 T94N R29W Kossuth Co.	Humboldt--Kossuth	5a	Pathogens--Unionized Ammonia
IA 02-IOW-0080_2	Iowa River	from confluence with Drainage Ditch No. 3 (aka Wheeler Cr.) in NW 1/4 SE 1/4 S10 T91N R23W Wright Co. to the Hwy 69 bridge at the south edge of Belmond in S30 T93N R23W Wright Co.	Wright	5a	Pathogens
IA 02-IOW-0070_3	Iowa River	from confluence with South Fork Iowa R. (S25 T87N R20W Hardin Co.) to confluence with Pine Cr. in S8 T87N R19W Hardin Co.	Hardin	5a	Pathogens
IA 04-UDM-02290-L_0	Lake Cornelia	Wright County S16 T92N R24W at Cornelia.	Wright	4a	Algal Grwth/Chlorophyll a--Noxious aquatic plants--Nutrients--Turbidity
IA 04-EDM-0100_0	Little Buffalo Creek (aka North Buffalo Cr.)	mouth (S4 T97N R27W Kossuth Co.) to confluence with unnamed tributary in S5 T98N R26W Winnebago Co.	Kossuth--Winnebago	4c	Other habitat alterations
IA 03-SSK-00360-L_0	Little Wall Lake	Hamilton County S10 T86N R24W 1 mi. S of Jewell	Hamilton	4a	Algal Grwth/Chlorophyll a--Noxious aquatic plants--Nutrients--pH--Suspended solids--Turbidity
IA 04-UDM-0315_2	Lizard Creek	from west line S5 T91N R32W at east edge of Pocahontas (Pocahontas Co.) to headwaters in S20 T93N R33W Pocahontas Co.	Pocahontas--Webster	4d	Unionized Ammonia
IA 04-UDM-0300_1	Lizard Creek	mouth to confluence with unnamed tributary in N 1/2 S31 T90N R30W Webster Co.	Webster	5b	Flow alteration--Other habitat alterations--Siltation
IA 03-SSK-0090_0	Long Dick Creek	mouth (S18 T85N R23W Story Co.) to N. line of S34 T86N R23W Hamilton Co.	Hamilton--Story	5b	Cause Unknown--Organic enrichment/Low DO--Other habitat alterations
IA 03-SSK-0091_0	Long Dick Creek	N. line of S34 T86N R23W Hamilton Co to headwaters	Hamilton	5b	Organic enrichment/Low DO--Unionized Ammonia
IA 02-IOW-0330-L_0	Lower Pine Lake	Hardin County S4 T87N R19W 0.5 mi E of Eldora.	Hardin	5a	Algal Grwth/Chlorophyll a--Nutrients--Pathogens--Turbidity
IA 02-SHL-0020_1	Shell Rock River	from confluence with the Winnebago River (Floyd Co.) to confluence with Rose Cr. in NW 1/4 S8 T97N R18W Cerro Gordo Co.	Cerro Gordo--Floyd	5a	Algal Grwth/Chlorophyll a--Pathogens
IA 02-SHL-00295-L_0	Silver Lake	Worth County S14 T100N R22W 8 mi. N of Joice.	Worth	4a	Algal Grwth/Chlorophyll a--Noxious aquatic plants--Nutrients--Organic enrichment/Low DO--pH--Suspended solids--Turbidity
IA 04-UDM-0170_0	Skillet Creek	mouth (S16 T86N R27W Webster Co.) to confluence with unnamed tributary in NW 1/4 SE 1/4 S14 T86N R28W Webster Co.	Webster	5b	Organic enrichment/Low DO--Unionized Ammonia
IA 03-SSK-0030_3	South Skunk River	from the north line of S6 T85 R23W Story Co (approximately 1 mile NNE of Story City) to confluence with Drainage Ditch 71 in SE 1/4 S11 T86N R24W Hamilton Co.	Hamilton--Story	5b	Cause Unknown
IA 02-CED-0505_1	Unnamed Creek (aka Drainage Ditch 3)	mouth (SW 1/4 S1 T95N R16W Floyd Co.) to confluence with unnamed tributary in T95N R16W Sec 4 Floyd Co.	Floyd	5a	Chlorine
IA 02-WFC-0150_0	Unnamed Tributary to West Fork Cedar River	mouth to headwaters Franklin Co	Franklin	4d	Unionized Ammonia
IA 02-WIN-00465-L_0	Ventura Marsh	Cerro Gordo County S19 T96N R22W at Ventura.	Cerro Gordo--Hancock	4c	Algal Grwth/Chlorophyll a--Exotic species--Suspended solids--Turbidity
IA 01-WPS-0030_5	Wapsipinicon River	from town of McIntyre (S34 T100N R15W Mitchell Co.) to north line of S20 T100N R15W Mitchell Co.	Mitchell	5b	Cause Unknown--Organic enrichment/Low DO--Siltation--Unionized Ammonia
IA 02-WIN-0020_2	Winnebago River	from confluence with Pike Run (S25 T99N R24W Winnebago Co.) to the Iowa/Minnesota state line	Winnebago	5b	Cause Unknown--Other habitat alterations