| NWS ID | Station | HGI | HPI | HTI | PCI | PPH | PPJ | PPQ | PPT | QRI | RWH | TAH | TAI | TVI | TWI | UDH | UDI | UPJ | UPV | USH | USI | VBI |
| ADEI4 | Adel - North Raccoon River | 888.99 | | | | | | | | | | | | | | | | | | | | |
| AESI4 | South Skunk River 2 SSE Ames US 30 | 11.67 | | | 32.5 | 0 | | | | 0.555 | | | | | | | | | | | | |
| AGAI4 | East Fork Des Moines River 8 S IFC--Algona Hwy B63 | 1087.81 | | | | | | | | | | | | | | | | | | | | |
| AGNI4 | East Fork Des Moines River 1 N Algona | 9.96 | | | 29.84 | 0 | | | | 0.737 | | | | | | | | | | | | |
| AGRI4 | CEDAR RIVER 2 S St. Ansgar | 1097.04 | | | | | | | | | | | | | | | | | | | | |
| AKNI4 | Fourmile Creek 3 N Ankeny US 69 | | | | | | | | | | | | | | | | | | | | | |
| AKRI4 | Big Sioux River 1 NW Akron | 5.38 | | | 93.12 | 0 | | | | 0.713 | | | | | | | | | | | | |
| AKWI4 | South River 2 SSW Ackworth | 5.22 | | | 4.71 | 0 | | | | 0.0424 | | | | | | | | | | | | 12.49 |
| ALFI4 | Fourmile Creek 4 WNW IFC--Altoona NE 54th Ave | 823.51 | | | | | | | | | | | | | | | | | | | | |
| ALMI4 | Fourmile Creek near Alleman NW 142nd | | | | | | | | | | | | | | | | | | | | | |
| ALOI4 | Cedar River 0 ENE Waterloo | 7.18 | | | 106.72 | 0 | | | | 5.76 | | | | | | | | | | | | |
| ALSI4 | South Fork Iowa River 5 W IFC--Alden Hwy D20 | 1127.44 | | | | | | | | | | | | | | | | | | | | |
| ALTI4 | Floyd River AT Alton | 5.38 | | | 74.74 | 0 | | | | | | | | | | | | | | | | 12.49 |
| AMAI4 | Amana - Price Creek USGS | 79.77 | | | | | | | | | | | | | | | | | | | | |
| AMDI4 | Ames 2SSE - IFC Ioway Creek Duff | 872.53 | | | | | | | | | | | | | | | | | | | | |
| AMEI4 | South Skunk River 2 N Ames W Riverside Rd | 4.11 | | | 15.93 | 0 | | | | | | | | | | | | | | | | |
| AMMI4 | AMES SCAN | | | | | | | | | | 0.02 | 12.7 | 12.2 | 40 | | 320 | | | | 14.6 | 20.8 | |
| AMPI4 | Amana - Price Creek | 709.93 | | | | | | | | | | | | | | | | | | | | |
| AMQI4 | Ames 1W - IFC Ioway Creek at Stange Rd | 888.81 | | | | | | | | | | | | | | | | | | | | |
| AMRI4 | South Skunk River 1 E IFC--Ames E 13th St | 878.53 | | | | | | | | | | | | | | | | | | | | |
| AMWI4 | Ames 1SSW - Ioway Creek at Lincoln Way | 2.11 | | | | | | | | | | | | | | | | | | | | |
| ANFI4 | Fourmile Creek 3 NNE IFC--Ankeny NE 47th St | 907.39 | | | | | | | | | | | | | | | | | | | | |
| ANKI4 | Fourmile Creek 2 ESE Ankeny NE 86th Ave | 1.99 | | | | | | | | | | | | | | | | | | | | 12.49 |
| ANSI4 | Wapsipinicon River 1 SE Anamosa Shaw Rd | 8.29 | | | 33.02 | 0 | | | | | | | | | | | | | | | | |
| AONI4 | Onion Creek 4 WNW IFC--Ames Hwy R38 | 955.79 | | | | | | | | | | | | | | | | | | | | |
| NWS ID | Station | HGI | HPI | HTI | PCI | PPH | PPJ | PPQ | PPT | QRI | RWH | TAH | TAI | TVI | TWI | UDH | UDI | UPJ | UPV | USH | USI | VBI |
| APEI4 | Aplington - Drainage Ditch | 948.79 | | | | | | | | | | | | | | | | | | | | |
| ATCI4 | East Nishnabotna River 5 SW Atlantic | 3.08 | | | 44.37 | 0 | | | | 0.209 | | | | | | | | | | | | |
| ATDI4 | Atkins - Dry Creek | 776.98 | | | | | | | | | | | | | | | | | | | | |
| ATNI4 | Altoona I-80 | | | | | | | | | | | | | | | | | | | | | |
| BANI4 | Elgin - Otter Creek | 884.18 | | | | | | | | | | | | | | | | | | | | |
| BASI4 | Bassett - Beaver Creek | 1038.43 | | | | | | | | | | | | | | | | | | | | |
| BAYI4 | Middle Raccoon River 6 SE Bayard | 10.2 | | | 4.81 | 0 | | | | | | | | | | | | | | | | 11.24 |
| BCCI4 | Batavia 3ENE | 666.67 | | | | | | | | | | | | | | | | | | | | |
| BEAI4 | Beaver Creek 3 SSE IFC--Beaver Hwy P54 | 975.5 | | | | | | | | | | | | | | | | | | | | |
| BHCI4 | Davenport - Black Hawk Creek at S Concord St | 552.96 | | | | | | | | | | | | | | | | | | | | |
| BHLI4 | Black Hawk Lake 1 SE Lake View | | 7.84 | | | | | | | | | | | | | | | | | | | |
| BIGI4 | Polk City 1SE - Big Creek Pounding | 36.26 | | | 2.55 | 0 | | | | | | | | | | | | | | | | 12.81 |
| BLII4 | South Fork Iowa River 5 NNE Blairsburg | 5.71 | | | | | | | | | | | | | | | | | | | | |
| BLVI4 | Mississippi River AT Bellevue LD12 | | 11.57 | 9.86 | 1.4 | 0 | | | | | | | 17.18 | | 37.2 | | 325 | | 10.95 | | 7.62 | 13.74 |
| BNDI4 | Brainard - Otter Creek | 976.51 | | | | | | | | | | | | | | | | | | | | |
| BNLI4 | Brandon - Lime Creek | 787.44 | | | | | | | | | | | | | | | | | | | | |
| BNNI4 | Brandon - North Bear Creek | 804.3 | | | | | | | | | | | | | | | | | | | | |
| BOCI4 | Burr Oak Creek 4 N Perkins | 11.69 | | | | | | | | | | | | | | | | | | | | |
| BODI4 | Des Moines River 3 WSW IFC--Boone Hwy E41 | 865.88 | | | | | | | | | | | | | | | | | | | | |
| BPCI4 | Prairie Creek 6 W IFC--Gilbert V Ave | 962.55 | | | | | | | | | | | | | | | | | | | | |
| BPLI4 | Iowa River 3 S Belle Plaine | 10.26 | | | 84.33 | 0 | | | | | | | | | | | | | | | | |
| BRAI4 | East Nishnabotna River 2 SSW IFC--Brayton 345th St | 1173.48 | | | | | | | | | | | | | | | | | | | | |
| BRII4 | BRIGHTON | 601.43 | | | | | | | | | | | | | | | | | | | | |
| BRLI4 | Mississippi River AT Burlington | 11.88 | | | 8.59 | 0 | | | | | | | | | | | | | | | | |
| BSCI4 | Story City 8W - IFC Ioway Creek 120th | 971.55 | | | | | | | | | | | | | | | | | | | | |
| NWS ID | Station | HGI | HPI | HTI | PCI | PPH | PPJ | PPQ | PPT | QRI | RWH | TAH | TAI | TVI | TWI | UDH | UDI | UPJ | UPV | USH | USI | VBI |
| BSPI4 | Big Spirit Lake Spillway | 1399.84 | | | | | | | | | | | | | | | | | | | | |
| BSQI4 | Gilbert 4WNW - IFC Ioway Creek at 160th | 929.8 | | | | | | | | | | | | | | | | | | | | |
| BSSI4 | Cedar Creek 2 NW Bussey | 4.44 | | | 4.24 | 0 | | | | | | | | | | | | | | | | |
| BSTI4 | Bassett - Beaver Creek | 1001.72 | | | | | | | | | | | | | | | | | | | | |
| BTDI4 | West Main Drainage Ditch 1 & 2 1 ENE Britt | 75.57 | | | | | | | | | | | | | | | | | | | | |
| BUCI4 | Littleton - Buck Creek | 929.29 | | | | | | | | | | | | | | | | | | | | |
| CBSI4 | Beaver Slough AT Clinton 3rd St | 14.57 | | | | | | | | | | | | | 39 | | | | | | | |
| CCDI4 | Catfish Creek SSW Dubuque-IFC-Catfish Creek - Manson Rd | 606.3 | | | | | | | | | | | | | | | | | | | | |
| CCTI4 | Central City | 812.15 | | | | | | | | | | | | | | | | | | | | |
| CCYI4 | Cedar River AT Charles City | 2.87 | | | 0 | 0 | | | | | | | | | | | | | | | | |
| CDDI4 | Cedar Rapids - Dry Creek | 809.96 | | | | | | | | | | | | | | | | | | | | |
| CDVI4 | Lovilia - Cedar Creek | 731.38 | | | | | | | | | | | | | | | | | | | | |
| CDYI4 | Dry Run Creek 0 SE IFC--Cedar Falls Waterloo Rd | 844.85 | | | | | | | | | | | | | | | | | | | | |
| CEBI4 | Cedar River AT Cedar Bluff | 8.23 | | | 0 | 0 | | | | | | | | | | | | | | | | |
| CHDI4 | Charlotte - Deep Creek | 665.51 | | | | | | | | | | | | | | | | | | | | |
| CHHI4 | Charlotte - Honey Creek | 667.88 | | | | | | | | | | | | | | | | | | | | |
| CHII4 | Chillicothe - Des Moines River | 644.45 | | | | | | | | | | | | | | | | | | | | |
| CIDI4 | Cedar Rapids - Cedar River No 2 | 5.87 | | | | | | | | | | | | | | | | | | | | |
| CJTI4 | Iowa River AT Columbus Jct | 13.69 | | | 2.16 | 0 | | | | | | | | | | | | | | | | |
| CLKI4 | Clear Lake 0 SW Clear Lake | | 4.81 | | 17.74 | 0 | | | | | | | | | | | | | | | | |
| CLLI4 | Middle Raccoon River Tributary 2 SSW Carroll | 15.33 | | | | | | | | | | | | | | | | | | | | |
| CLOI4 | Clive - Walnut Creek near NW 100th | 840.1 | | | | | | | | | | | | | | | | | | | | |
| CLRI4 | Shell Rock River 1 WNW IFC--Clarksville Hwy C33 | 916.34 | | | | | | | | | | | | | | | | | | | | |
| CLSI4 | Shell Rock River 5 NW IFC--Clarksville Hwy T47 | 928.27 | | | | | | | | | | | | | | | | | | | | |
| CLVI4 | Walnut Creek 3 WNW Clive I-80/35 | | | | | | | | | | | | | | | | | | | | | |
| NWS ID | Station | HGI | HPI | HTI | PCI | PPH | PPJ | PPQ | PPT | QRI | RWH | TAH | TAI | TVI | TWI | UDH | UDI | UPJ | UPV | USH | USI | VBI |
| CMAI4 | Middle Raccoon River 0 NE IFC--Coon Rapids Hwy E63 | 1123.58 | | | | | | | | | | | | | | | | | | | | |
| CMCI4 | Muddy Creek 2 NNE Coralville N | 2.27 | | | 0 | 0 | | | | | | | | | | | | | | | | |
| CMMI4 | Mississippi River AT Camanche | 12.49 | | | | | | | | | | | | | 38.9 | | | | | | | |
| CMOI4 | Middle Raccoon River 2 ESE IFC--Carroll Olympic Ave | 1196.5 | | | | | | | | | | | | | | | | | | | | |
| CMTI4 | TURKEY RIVER AT Clermont | 817.74 | | | | | | | | | | | | | | | | | | | | |
| CNEI4 | Cedar River 3 NE Conesville | 9.46 | | | 0.17 | 0 | | | | | | | | | | | | | | | | |
| CNOI4 | East Nodaway River 3 ESE Clarinda Hwy 2 | 965.55 | | | | | | | | | | | | | | | | | | | | |
| COFI4 | Masonville 2NE - Coffins Creek | 967.03 | | | | | | | | | | | | | | | | | | | | |
| CONI4 | Conrad - Little Asher Creek | 946.64 | | | | | | | | | | | | | | | | | | | | |
| CPBI4 | Center Point - Blue Creek | 762.92 | | | | | | | | | | | | | | | | | | | | |
| CRAI4 | Clear Creek 2 W Coralville SW | 0.67 | | | 1.06 | 0 | | | | | | | | | | | | | | | | |
| CREI4 | Cedar Rapids - Cedar River at Edgewood Rd | 5.31 | | | | | | | | | | | | | | | | | | | | 12.49 |
| CRGI4 | Cedar Rapids - Indian Creek near Cottage Grove | 730.52 | | | | | | | | | | | | | | | | | | | | |
| CRMI4 | Cedar Rapids - Indian Creek near Mount Vernon | 698.45 | | | | | | | | | | | | | | | | | | | | |
| CROI4 | Orchard | 1022.04 | | | | | | | | | | | | | | | | | | | | |
| CRRI4 | Little Sioux River 1 W Correctionville | 5.34 | | | 26.94 | 0 | | | | | | | | | | | | | | | | |
| CRVI4 | Iowa River AT Coralville Dam | | 683.65 | | 62.3 | 0 | | | | | | | 14.07 | | | | 305 | 23.17 | | | 17.01 | |
| CRWI4 | Crow Creek 3 NE Bettendorf Valley Rd | 3.57 | | | | | | | | | | | | | | | | | | | | |
| CSLI4 | North River 1 NNE IFC--Carlisle N 1st St | 763.01 | | | | | | | | | | | | | | | | | | | | |
| CSRI4 | Ames 4NW - Ioway Creek Cameron School Rd | 2.42 | | | | | 0 | | | | | | | | | | | | | | | |
| CTWI4 | Iowa River AT Coralville Res Tail | | | 52.58 | | | | | | | | | | | | | | | | | | |
| CWCI4 | Cornell 2NW - Willow Creek | 82.5 | | | | | | | | | | | | | | | | | | | | |
| DAKI4 | East Fork Des Moines River 0 ENE Dakota City | 8.78 | | | 13.36 | 0 | | | | 0.544 | | | | | | | | | | | | |
| DBCI4 | Dyersville 1W - Bear Creek | 928.96 | | | | | | | | | | | | | | | | | | | | |
| DBFI4 | Dubuque - N Fork Catfish | 690.12 | | | | | | | | | | | | | | | | | | | | |
| NWS ID | Station | HGI | HPI | HTI | PCI | PPH | PPJ | PPQ | PPT | QRI | RWH | TAH | TAI | TVI | TWI | UDH | UDI | UPJ | UPV | USH | USI | VBI |
| DBGI4 | Dubuque - Granger Creek at Dubuque | 605.85 | | | | | | | | | | | | | | | | | | | | |
| DBQI4 | Mississippi River AT Dubuque | 11.12 | | | 50.87 | 0 | | | | | | | | | | | | | | | | |
| DCHI4 | Upper Iowa River 4 S Dorchester Hwy 76 | 7.76 | | | 3.16 | 0 | | | | | | | | | | | | | | | | |
| DCLI4 | Colo - Dye Creek | 1021.66 | | | | | | | | | | | | | | | | | | | | |
| DEDI4 | Brushy Creek 3 SE IFC--Dedham IA 141 | 1190.06 | | | | | | | | | | | | | | | | | | | | |
| DEMI4 | Raccoon River 2 SW Des Moines Fleur Dr | | | | | 0 | | 0 | 0 | | | | | | | | | | | | | |
| DEPI4 | Deep River 1 NE Deep River | 66.29 | | | | | | | | | | | | | | | | | | | | |
| DEQI4 | Delhi - Maquoketa River | 839.7 | | | | | | | | | | | | | | | | | | | | |
| DESI4 | Des Moines River 2 S Des Moines SE 6th St | 14.32 | | | 1.66 | 0 | | 0 | 0 | 7.76 | | | | | | | | | | | | 11.87 |
| DEWI4 | Wapsipinicon River 4 S De Witt 4S | 9.89 | | | 2.21 | 0 | | | | | | | | | | | | | | | | |
| DFMI4 | Fourmile Creek 3 ENE Des Moines Easton Blvd | 0 | | | 12.78 | 0 | | 0 | 0 | | | | | | | | | | | | | |
| DHCI4 | Dyersville 1NE - Hewitt Creek | 932.17 | | | | | | | | | | | | | | | | | | | | |
| DKEI4 | Duck Creek SSW Davenport-IFC-Duck Creek - Eastern Ave | 616.1 | | | | | | | | | | | | | | | | | | | | |
| DKTI4 | Dunkerton - Wapsipinicon River | 925.42 | | | | | | | | | | | | | | | | | | | | |
| DLDI4 | Mississippi River AT Dubuque LD11 | | 14.28 | 6.56 | 0.31 | 0 | | | | | | | 18.27 | | 36.4 | | 316 | | 19.7 | | 15.89 | 13.32 |
| DLLI4 | White Breast Creek 3 WNW Melcher-Dallas | 6.14 | | | 5.06 | 0 | | | | 0.0199 | | | | | | | | | | | | |
| DMOI4 | Des Moines River 1 NW Des Moines 2nd Ave | 15.03 | | | 2.33 | 0 | | | | | | | | | 32 | | | | | | | 12.81 |
| DMWI4 | Raccoon River 6 WSW Des Moines IA 28 | 23.38 | | | 0 | 0 | | 0 | 0 | | | | | | | | | | | | | 12.49 |
| DNKI4 | Dunkerton 1WNW - Crane Creek | 942.97 | | | | | | | | | | | | | | | | | | | | |
| DNLI4 | Boyer River 4 SW Dunlap | 1058.03 | | | | | | | | | | | | | | | | | | | | |
| DOSI4 | Walnut Creek 5 W Des Moines 63rd St | | | | | 0 | | 0 | 0 | | | | | | | | | | | | | |
| DSKI4 | Denison - Boyer River at K Ave | 1154.5 | | | | | | | | | | | | | | | | | | | | |
| DSOI4 | Soap Creek 5 NW IFC--Drakesville Falcon Blvd | 706.38 | | | | | | | | | | | | | | | | | | | | |
| DUDI4 | Dundee - Maquoketa River | 967.25 | | | | | | | | | | | | | | | | | | | | |
| DUMI4 | Hargrave Creek 3 W IFC--Dumont Franklin Ave | 983.73 | | | | | | | | | | | | | | | | | | | | |
| NWS ID | Station | HGI | HPI | HTI | PCI | PPH | PPJ | PPQ | PPT | QRI | RWH | TAH | TAI | TVI | TWI | UDH | UDI | UPJ | UPV | USH | USI | VBI |
| DVSI4 | Thompson River 0 ENE Davis City | 1.73 | | | 4.71 | 0 | | | | 0.283 | | | | | | | | | | | | |
| DWCI4 | WATERLOO CREEK 1 S Dorchester | 6.81 | | | | | | | | | | | | | | | | | | | | |
| DYSI4 | Wolf Creek 6 N Dysart | 3.08 | | | | | | | | 0.213 | | | | | | | | | | | | |
| DYVI4 | Dyersville - NF Maquoketa River | 921.78 | | | | | | | | | | | | | | | | | | | | |
| EAVI4 | Avoca - EB West Nishnabotna | 1118.9 | | | | | | | | | | | | | | | | | | | | |
| EBRI4 | Salt Creek 3 S Elberon | 6.01 | | | | | | | | 0.0676 | | | | | | | | | | | | |
| ECLI4 | Lawton - Elliot Creek | 72.68 | | | | | | | | | | | | | | | | | | | | |