WBID	Waterbody	Location	Counties	IR Category	Impairment(s)
IA 02-SHL-00105-L_0	Avenue Of The Saints Lake	Bremer Co. approximately 2 miles E of Shell Rock in S7 T91N R14W	Bremer	5a	Algal Grwth/Chlorophyll a--Exotic species--pH--Suspended solids
IA 01-MAQ-0090-L_0	Backbone Lake	Backbone Lake Dam to S Fk Maquoketa R. (S16 T90N R6W Delaware Co.)	Delaware	5a	Pathogens
IA 01-NMQ-0141_0	Bear Creek	confluence with unnamed tributary (T89N R3W Sec2 NW) to headwaters (T90N R4W Sec26)	Delaware	5b	Organic enrichment/Low DO--Unionized Ammonia
IA 01-NMQ-0140_0	Bear Creek	mouth (S31 T89N R2W Dubuque Co.) to confluence with unnamed tributary in NW 1/4 S2 T89N R3W Delaware Co.	Delaware--Dubuque	5b	Organic enrichment/Low DO--Unionized Ammonia
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 02-CED-0370_1	Black Hawk Creek	mouth (S22 T89N R13W Black Hawk Co.) to Hwy 58 in E 1/2 S27 T88N R14W Black Hawk Co.)	Black Hawk	4a	Pathogens
IA 01-VOL-0120_2	Brush Creek	from confluence with Bear Cr. (S8 T92N R7W Fayette Co.) to east line of S17 T92N R7W Fayette Co.	Fayette	5b	Cause Unknown
IA 01-MAQ-0210_0	Buck Creek	mouth (S11 T87N R4W Delaware Co.) to Golden Branch in S11 T87N R5W Delaware Co.	Delaware	5b	Flow alteration--Nutrients--Other habitat alterations--Siltation
IA 01-WPS-0130_2	Buffalo Creek	from confluence with unnamed tributary in N 1/2 S27 T88N R7W (Buchanan Co.) to confluence of the East Branch and West Branch of Buffalo Creek in S35 T90N R8W Buchanan Co.	Buchanan	5b	Nutrients--Other habitat alterations--Siltation
IA 01-WPS-0130_1	Buffalo Creek	upper end of Coggon Impoundment (Linn Co.) to confluence with unnamed tributary in N 1/2 S27 T88N R7W Buchanan Co.	Buchanan--Delaware--Linn	5b	Nutrients--Other habitat alterations--Siltation
IA 02-CED-02250-L_0	Cedar Lake	Linn County S21 T83N R7W in Cedar Rapids.	Linn	5a	PCB's--Pesticides
IA 02-CED-0030_2	Cedar River	from confluence with McCloud Run (SW 1/4 S16 T83N R7W Linn Co.) to confluence with Bear Cr. in NE 1/4 S21 T84N R8W Linn Co. (includes East West Seminole and Northwest well fields for city of Cedar Rapids water supply).	Linn	5a	Nitrate--Pathogens
IA 02-CED-0050-L_0	Cedar River	from dam of Cedar Falls Impoundment (NW 1/4 S12 T89N R14W Black Hawk Co.) to upper end of impoundment (W line S2 T89N R14W Black Hawk Co.)	Black Hawk	5a	Pathogens
IA 02-CED-0020_3	Cedar River	from Hwy 30 bridge at Cedar Rapids (S9 T82N R6W Linn Co) to confluence with Prairie Cr. in the SE 1/4 S34 T83N R7W Linn Co.	Linn	5a	Pathogens
IA 02-CED-0030_1	Cedar River	from Prairie Cr. (SE 1/4 S34 T83N R7W Linn Co.) to confluence with McCloud Run in SW 1/4 S16 T83N R7W Linn Co.	Linn	5a	Pathogens
IA 02-CED-0020_2	Cedar River	from Rock Run Cr. (S28 T80N R3W Cedar Co ) to Hwy 30 bridge at Cedar Rapids in S9 T82N R6W Linn Co.	Cedar--Johnson--Linn	5a	Flow alteration--Nutrients--Other habitat alterations--Pathogens--Siltation
IA 02-CED-0040_1	Cedar River	from Wolf Cr. (NE 1/4 S29 T87N R11W Black Hawk Co.) to bridge crossing in LaPorte City in S19 T87N R11W Black Hawk Co.)	Black Hawk	5a	Pathogens
IA 01-WPS-0180_1	Crane Creek	mouth (S26 T90N R11W Black Hawk Co. to confluence with unnamed tributary in NW 1/4 S24 T90N R12W Black Hawk Co.	Black Hawk	4d	Unionized Ammonia
IA 01-TRK-0419_0	Dry Branch	confluence with unnamed tributary in the N 1/2 S4 T95N R8W Fayette Co. to headwaters	Fayette--Winneshiek	4d	Other
IA 02-CED-0390_0	Dry Run	mouth (S18 T89N R13W Black Hawk Co.) to confluence with unnamed tributary in S23 T89N R14W BlackHawk Co	Black Hawk	5b	Cause Unknown
IA 02-CED-0234_0	East Branch Blue Creek	confluence with Blue Creek (T85N R8W Sec7) to headwaters (T87N 8W Section 33)	Buchanan--Linn	5b	Cause Unknown--Unionized Ammonia
IA 01-UIA-0380_0	East Pine Creek	mouth (S28 T100N R9W Winneshiek Co.) to IA/MN state line	Winneshiek	5b	Cause Unknown
IA 01-NMQ-0040_0	Farmers Creek	mouth (S24 T85N R2E Jackson Co.) to confluence with unnamed tributary in W 1/2 NW 1/4 S8 T86N R3E Jackson Co.	Jackson	5b	Other habitat alterations--Siltation
IA 01-TRK-0330_0	Fountain Spring Creek (aka Odell Br.)	mouth (SE 1/4 S10 T90N R4W Delaware Co.) to west line of NW 1/4 S16 T90N R4W Delaware Co.	Delaware	4d	Organic enrichment/Low DO--Unionized Ammonia
IA 01-VOL-00130-L_0	Frog Hollow (aka Volga Lake)	Fayette County S3 T93N R8W 4 mi. NNE of Fayette.	Fayette	5a	Algal Grwth/Chlorophyll a--pH--Siltation--Turbidity
IA 02-CED-00485-L_0	George Wyth Lake	Black Hawk County S6 T89N R13W at N edge of Waterloo.	Black Hawk	5a	Noxious aquatic plants--Other--Pathogens--Siltation
IA 01-NMQ-0160_0	Hickory Creek	mouth (S21 T89N R2W Dubuque Co.) to confluence with unnamed tributary in S14 T89N R2W Dubuque Co.	Dubuque	5b	Organic enrichment/Low DO--Other habitat alterations--Siltation
IA 02-CED-0210_1	Indian Creek	mouth (S30 T83N R6W Linn Co.) to confluence with Dry Cr. in S1 T83N R7W Linn Co.	Linn	5b	Other habitat alterations
IA 01-NMQ-0111_0	Johns Creek	Confluence with Bakers Creek (T88N R2W Sec36 SE) to headwaters (T88N R2W Sec11) Dubuque Co	Dubuque	5b	Cause Unknown
IA 01-NMQ-0110_0	Johns Creek	mouth (S26 T87N R1W Dubuque Co.) to confluence with Bakers Cr. in S36 T88N R2W Dubuque Co.	Dubuque	5b	Nutrients--Other habitat alterations--Siltation
IA 01-WPS-00375-L_0	Lake Hendricks	Howard County S19 T99N R14W 0.5 mi NE of Riceville.	Howard	5a	Algal Grwth/Chlorophyll a--Noxious aquatic plants--Nutrients--Organic enrichment/Low DO--pH
IA 01-TRK-02245-L_0	Lake Meyer	Winneshiek County S34 T97N R9W 3 mi SW of Calmar.	Winneshiek	4a	Algal Grwth/Chlorophyll a--Nutrients--Siltation--Turbidity
IA 02-CED-0270_1	Lime Creek	mouth (SW 1/4 S4 T86N R10W Benton Co.) to confluence with unnamed tributary in S1 T87N R10W Buchanan Co.	Benton--Buchanan	5b	Flow alteration--Nutrients--Other habitat alterations--Siltation
IA 01-VOL-0150_1	Little Volga River	mouth (north line of S2 T92N R9W Fayette Co.) to Hwy 150 bridge crossing at Maynard at south line of S14 T92N R9W Fayette Co.	Fayette	4d	Organic enrichment/Low DO--Unionized Ammonia
IA 01-MAQ-0060_2	Maquoketa River	from Farm Cr. (Jones Co) to confluence with Plum Cr. in S11 T87N R4W Delaware Co.	Delaware--Jones	5b	Flow alteration--Nutrients--Other habitat alterations--Siltation
IA 01-MAQ-0060_1	Maquoketa River	from N. Fk. Maquoketa R. to confluence with Farm Cr. in S10 T85N R1W Jones Co.	Jackson--Jones	5a	Flow alteration--Nutrients--Other habitat alterations--Pathogens--Siltation
IA 01-MAQ-0060_3	Maquoketa River	from Plum Cr. (S11 T87N R4W Delaware Co.) to Quaker Mill Dam in S19 T89N R5W Delaware Co.	Delaware	5b	Cause Unknown--Pathogens
IA 02-CED-0218_0	McCloud Run	mouth (SW 1/4 S16 T83N R7W Linn Co.) to headwaters in SW 1/4 S5 T83N R7W Linn Co.	Linn	5a	Thermal modifications--Unknown toxicity
IA 01-TRK-0180_2	Middle Fork Little Maquoketa River (a.k.a. Bankston Cr.)	from west line of S31 T90N R1E (Dubuque Co.) to north line of S33 T90N R1W Dubuque Co.	Dubuque	5b	Cause Unknown
IA 01-YEL-0010_2	Miners Creek	from Hwy 52 bridge (SE 1/4 S20 T92N R2W Clayton Co.) to west line of S1 T92N R3W Clayton Co.	Clayton	5b	Cause Unknown
IA 01-NEM-0030_1	Mississippi River	from Lock & Dam 11 at north side of Dubuque (Dubuque Co.) to Lock & Dam 10 at Guttenberg (Clayton Co.)	Clayton--Dubuque	5a	Exotic species--Metals--Organic enrichment/Low DO
IA 01-YEL-0130_0	Norfolk Creek	mouth (S6 T96N R5W Allamakee Co.) to confluence with Teeple Cr. in S24 T97N R6W Allamakee Co.	Allamakee	5a	Organic enrichment/Low DO
IA 01-YEL-0040_0	North Cedar Creek	mouth (S8 T94N R3W Clayton Co.) to west line of S24 T94N R4W Clayton Co.	Clayton	5b	Cause Unknown
IA 01-NMQ-0020_2	North Fork Maquoketa River	confluence with Bear Cr (S31 T89N R2W Dubuque Co.) to confluence with unnamed tributary in S18 T90N R1W Dubuque Co.	Dubuque	5b	Organic enrichment/Low DO--Other habitat alterations--Siltation--Unionized Ammonia
IA 01-NMQ-0010_2	North Fork Maquoketa River	from confluence with Lytle Cr. (S8 T85N R2E Jackson Co.) to confluence with Whitewater Cr. in S10 T86N R1W Jones Co.	Jackson--Jones	5b	Flow alteration--Nutrients--Other habitat alterations--Siltation
IA 01-UIA-0010_1	Paint Creek	mouth (Allamakee Co.) to confluence with Little Paint Cr. in S32 T97N R3W Allamakee Co.	Allamakee	5b	Cause Unknown
IA 01-TRK-0260_0	Pecks Creek	mouth (S1 T91N R3W Clayton Co.) to south line of S15 T91N R3W Clayton Co.	Clayton	5b	Other habitat alterations--Siltation
IA 01-TRK-0010_1	Pleasant Creek	mouth (S33 T86N R5E Jackson Co.) to W line of S11 T85N R4E Jackson Co.	Jackson	5b	Cause Unknown
IA 01-MAQ-0220_1	Plum Creek	mouth (Delaware Co.) to confluence with unnamed tributary in E 1/2 S24 T89N R4W Delaware Co.	Delaware	5b	Nutrients--Other habitat alterations--Siltation--Suspended solids
IA 01-TRK-0240_0	Point Hollow Creek (aka White Pine Cr.)	mouth (S31 T91N R2W Clayton Co.) to spring source in S8 T90N R2W Dubuque Co.	Clayton--Dubuque	5b	Cause Unknown
IA 02-CED-0220_2	Prairie Creek	from confluence with Mud Cr. (S21 T82N R9W Benton Co.) to confluence with unnamed tributary in S13 T83N R12W Benton Co.	Benton	4d	Chlorine
IA 01-MAQ-0130_0	Prairie Creek	mouth (S17 T84N R3E Jackson Co.) to unnamed tributary in S2 T83N R2E Clinton Co.	Clinton--Jackson	5b	Cause Unknown
IA 01-TRK-0360_2	Roberts Creek	confluence with Howard Cr. (S25 T94N R5W Clayton Co.) to confluence with Silver Cr. in S16 T94N R5W Clayton Co.	Clayton	4c	Other habitat alterations
IA 01-TRK-0361_0	Roberts Creek	Confluence with unnamed tributary in S8 T95N R6W Clayton Co. to headwaters (T96N R6W Sec32 SW SE Allamakee Co)	Allamakee--Clayton	4d	Organic enrichment/Low DO--Unionized Ammonia
IA 01-TRK-0360_3	Roberts Creek	from confluence with Silver Cr. (S16 T94N R5W Clayton Co.) to confluence with unnamed tributary in S8 T95N R6W Clayton Co.	Clayton	5b	Organic enrichment/Low DO--Other habitat alterations--Siltation--Unionized Ammonia
IA 01-TRK-0381_0	Silver Creek	mouth (S16 T94N R5W Clayton Co.) to confluence with unnamed tributary in S32 T95N R5W Clayton Co.	Clayton	5b	Organic enrichment/Low DO--Other habitat alterations--Siltation
IA 01-MAQ-0200_0	Silver Creek	mouth (S8 T86N R3W Jones Co.) to unnamed tributary in S10 T86N R4W Jones Co.	Jones	5b	Flow alteration--Nutrients--Other habitat alterations--Siltation
IA 01-MAQ-00680-L_0	Silver Lake	Delaware County S16 T88N R4W SE edge of Delhi.	Delaware	5a	Algal Grwth/Chlorophyll a--Noxious aquatic plants--Nutrients--Organic enrichment/Low DO--pH--Suspended solids--Turbidity
IA 01-TRK-0290_0	Steeles Branch	mouth (S26 T91N R4W Clayton Co.) to west line of S5 T90N R4W Delaware Co.	Clayton--Delaware	4d	Organic enrichment/Low DO
IA 01-YEL-0100_0	Suttle Creek	mouth (S17 T96N R4W Allamakee Co.) to Allmakee-Clayton county line.	Allamakee	5a	Organic enrichment/Low DO
IA 01-TRK-0090_1	Tetes Des Morts Creek	mouth (Dubuque Co.) to confluence with Lux Cr. in S7 T87N R4E Jackson Co.	Dubuque--Jackson	5b	Cause Unknown--Organic enrichment/Low DO--Other habitat alterations--Siltation
IA 01-YEL-0110_0	Unnamed Creek (aka Bear Cr.)	mouth (S13 T96N R5W Allamakee Co.) to north line of S12 T96N R5W Allamkee Co.	Allamakee	5a	Organic enrichment/Low DO
IA 01-YEL-0155_0	Unnamed Creek (aka Hecker Cr.)	mouth (S17 T96N R06W Allamakee Co.) to headwaters (Allamakee Co.)	Allamakee	5b	Cause Unknown
IA 01-TRK-04515_0	Unnamed Tributary to Bass Creek	mouth (T95N R9W Sec5) to headwaters (T95N R9W Sec8)	Fayette	5b	Organic enrichment/Low DO--Unionized Ammonia
IA 01-NMQ-01415_0	Unnamed Tributary to Bear Creek	mouth (T90N R3W Sec30) to headwaters (T90N R4W Sec36)	Delaware	4d	Organic enrichment/Low DO--Unionized Ammonia
IA 01-NMQ-0142_0	Unnamed Tributary to Bear Creek	mouth (T90N R3W Sec33) to headwaters (T90N R3W Sec32) Delaware Co	Delaware	4d	Organic enrichment/Low DO--Unionized Ammonia
IA 01-WPS-0270_0	Unnamed Tributary to Buffalo Creek	mouth (T89N R8W Sec24) to headwaters (T89N R7W Sec19) Buchanan Co	Buchanan	5b	Unionized Ammonia
IA 01-WPS-0185_0	Unnamed Tributary to Crane Creek	mouth (T90N R11W Sec19 SW NW Black Hawk Co) to headwaters (T91N R12W Sec12 NW SW Bremer Co)	Black Hawk--Bremer	4d	Unionized Ammonia
IA 01-WPS-010971_0	Unnamed Tributary to Fawn Creek	from mouth (NE 1/4 S11 T84N R4W Jones Co.) to headwaters in SE 1/4 S25 T85N R4W Jones Co.	Jones	4d	Organic enrichment/Low DO--Unionized Ammonia
IA 01-TRK-02415_0	Unnamed Tributary to Point Hollow Creek	mouth to headwaters (T90N R2W Sec9)	Dubuque	5b	Organic enrichment/Low DO--Unionized Ammonia
IA 01-TRK-02775_0	Unnamed Tributary to West Branch Cedar Creek	mouth (T93N R04W Sec 36 NW) to headwaters (T93N R04W Sec27 SE) Clayton Co	Clayton	4d	Organic enrichment/Low DO--Unionized Ammonia
IA 01-UIA-0120_1	Upper Iowa River	confluence with Silver Cr. (S10 T99N R9W Winneshiek Co.) to confluence with Silver Cr. in S2 T99N R10W Winneshiek Co.).	Winneshiek	5b	Nutrients--Other habitat alterations--Siltation
IA 01-UIA-0110_3	Upper Iowa River	from confluence with Tenmile Cr. (S1 T98N R9W Winneshiek Co.) to confluence with Silver Cr. in S10 T99N R9W Winneshiek Co.	Winneshiek	5b	Nutrients--Other habitat alterations--Siltation
IA 01-UIA-0110_2	Upper Iowa River	from confluence with Trout Cr. (S9 T98N R7W Winneshiek Co.) to confluence with Tenmile Cr. in S1 T98N R9W Winneshiek Co.	Winneshiek	5b	Mercury--Nutrients--Other habitat alterations--Pathogens--Siltation
IA 01-UIA-0100_0	Upper Iowa River	from Lane's Bridge (NW 1/4 S31 T100N R4W Allamakee Co.) to confluence with Canoe Cr. in S25 T99N R7W Winneshiek Co.	Allamakee--Winneshiek	5a	Mercury--Pathogens
IA 01-UIA-0090_0	Upper Iowa River	mouth (Allamakee Co.) to Lane's Bridge at river mile 6 (NW 1/4 S31 T100N R4W Allamakee Co.).	Allamakee	5a	Mercury--Pathogens
IA 01-VOL-0010_2	Volga River	from confluence with Cox Cr. (S21 T92N R5W Clayton Co.) to bridge crossing in Volga (north line S10 T92N R6W Clayton Co.).	Clayton	4a	Pathogens
IA 01-VOL-0010_1	Volga River	mouth (S36 T92N R4W Clayton Co.) to confluence with Cox Cr. in S21 T92N R5W Clayton Co.).	Clayton	4a	Pathogens
IA 02-IOW-0187_1	Walnut Creek	mouth (S31 T82N R12W Benton Co.) to confluence with North Walnut Cr in S7 T81N R13W Poweshiek Co. trib S24 T81N R15W Poweshiek Co.	Benton--Iowa--Poweshiek	5b	Cause Unknown
IA 01-WPS-0020_6	Wapsipinicon River	from Crane Cr. (S26 T90N R11W Black Hawk Co.) to confluence with E. Fk. Wapsipinicon R. near Tripoli in SE 1/4 S34 T93N R12W Bremer Co.	Black Hawk--Bremer	5b	Flow alteration--Nutrients--Other habitat alterations--Siltation
IA 01-WPS-0020_4	Wapsipinicon River	from Harter Cr. at Independence (NW 1/4 S34 T89N R9W Buchanan Co.) to confluence with Little Wapsipinicon R. near Littleton in S9 T89N R10W Buchanan Co.	Buchanan	5a	Pathogens
IA 01-WPS-0030_1	Wapsipinicon River	from L. Wapsipinicon R. (S3 T94N R13W Chickasaw Co.) to confluence with unnamed tributary in NW 1/4 S22 T96N R14W Chickasaw Co.	Chickasaw	5b	Cause Unknown--Flow alteration--Nutrients--Other habitat alterations--Siltation
IA 01-WPS-0020_3	Wapsipinicon River	from Pine Cr. (S28 T88N R8W Buchanan Co.) to confluence with Harter Cr. at Independence in NW 1/4 S34 T89N R9W Buchanan Co.	Buchanan	5a	Pathogens
IA 01-WPS-0010_4	Wapsipinicon River	from Plum Cr. (S18 T82N R1E Clinton Co.) to confuence with Walnut Cr. in S18 T83N R2W Jones Co.	Cedar--Clinton--Jones	5b	Flow alteration--Nutrients--Siltation
IA 01-WPS-0010_5	Wapsipinicon River	from Walnut Cr. (S18 T83N R2W Jones Co.) to confuence with Buffalo Creek in S10 T84N R4W Jones Co.	Jones	5b	Flow alteration--Nutrients--Other habitat alterations--Pathogens--Siltation
IA 01-WPS-0010_1	Wapsipinicon River	mouth (Scott-Clinton county line) to confuence with Silver Cr. in NW 14 S6 T80N R4E Clinton Co.	Clinton--Jones--Scott	5a	Pathogens
IA 01-TRK-0277_0	West Branch South Cedar Creek	mouth (S31 T93N R3W Clayton Co.) to confluence with unnamed tributary in S23 T93N R4W Clayton Co	Clayton	4d	Organic enrichment/Low DO--Unionized Ammonia
IA 01-NMQ-0100_1	Whitewater Creek	mouth (S10 T86N R1W Jones Co.) to confluence with Curran Branch in S12 T87N R1W Dubuque Co.	Dubuque--Jones	5b	Nutrients--Other habitat alterations--Siltation
IA 01-YEL-0125_0	Williams Creek	mouth (S9 T96N R5W Allamakee Co.) to confluence with unnamed tributary in S17 T96N R5W Allamakee Co.	Allamakee	4d	Unionized Ammonia
IA 01-YEL-0080_2	Yellow River	from old Hwy 51 crossing (NE 1/4 S11 T96N R6W Allamakee Co.) to confluence with N. Fk.Yellow R. in S13 T96N R7W Winnsehiek Co.	Allamakee--Winneshiek	5a	Organic enrichment/Low DO--Other habitat alterations--Unknown toxicity
IA 01-YEL-0070_0	Yellow River	mouth (S34 T96N R3W Allamakee Co.) to County Road X-26 bridge in S24 T96N R5W Allamakee Co.	Allamakee	5a	Pathogens