| West Fork Duck Creek at Macksburg OH | Minor flooding | 13.93 ft | 1,530 cfs |
| Auglaize River near Defiance OH | No flooding | 6.73 ft | 890 cfs |
| Auglaize River near Fort Jennings OH | No flooding | 1.95 ft | 16 cfs |
| Bean Creek at Powers OH | No flooding | 8.18 ft | 51 cfs |
| Big Creek at Cleveland OH | No flooding | 2.41 ft | 47 cfs |
| Big Darby Creek at Darbyville OH | No flooding | 2.73 ft | 295 cfs |
| Big Walnut Creek at Central College OH | No flooding | 3.90 ft | 165 cfs |
| Black Fork at Loudonville OH | No flooding | 3.31 ft | — |
| Black Fork below Charles Mill Dam near Mifflin OH | No flooding | 2.27 ft | — |
| Black Fork Mohican River at Shelby OH | No flooding | 5.90 ft | 5 cfs |
| Black River at Elyria OH | No flooding | 0.94 ft | 31 cfs |
| Blanchard River above Findlay OH | No flooding | 5.81 ft | 32 cfs |
| Blanchard River at Ottawa OH | No flooding | 6.04 ft | 146 cfs |
| Blanchard River below Mt. Blanchard OH | No flooding | 2.76 ft | 12 cfs |
| Blanchard River near Findlay OH | No flooding | 1.21 ft | 64 cfs |
| Brandywine Creek near Macedonia OH | No flooding | 3.21 ft | 11 cfs |
| Chagrin River at Willoughby OH | No flooding | 3.47 ft | 106 cfs |
| Clear Fork Mohican River at Bellville OH | No flooding | 1.96 ft | — |
| Conneaut Creek at Conneaut OH | No flooding | 1.81 ft | 65 cfs |
| Crab Creek at Youngstown OH | No flooding | 4.64 ft | — |
| Cuyahoga River at Hiram Rapids OH | No flooding | 1.88 ft | 112 cfs |
| Cuyahoga River at Independence OH | No flooding | 3.84 ft | 765 cfs |
| Cuyahoga River at Jaite OH | No flooding | 4.11 ft | 958 cfs |
| Cuyahoga River at Old Portage OH | No flooding | 3.82 ft | 585 cfs |
| Duck Creek below Whipple OH | No flooding | 4.44 ft | 952 cfs |
| Eagle Creek above Findlay OH | No flooding | 2.90 ft | 0 cfs |
| Eagle Creek at Phalanx Station OH | No flooding | 4.11 ft | 40 cfs |
| East Branch Nimishillen Creek at Louisville OH | No flooding | 4.18 ft | — |
| East Fork Duck Creek near Harrietsville OH | No flooding | 10.86 ft | 1,440 cfs |
| East Fork Little Miami River at Perintown OH | No flooding | 8.19 ft | 4,980 cfs |
| Grand River near Painesville OH | No flooding | 1.89 ft | 71 cfs |
| Great Miami River at Dayton OH | No flooding | 24.18 ft | 852 cfs |
| Great Miami River at Franklin OH | No flooding | 0.95 ft | 1,180 cfs |
| Great Miami River at Hamilton OH | No flooding | 63.05 ft | 1,360 cfs |
| Great Miami River at Miamisburg OH | No flooding | 4.01 ft | 917 cfs |
| Great Miami River at Miamitown OH | No flooding | 2.14 ft | — |
| Great Miami River at Middletown OH | No flooding | 2.34 ft | 1,270 cfs |
| Great Miami River at Piqua OH | No flooding | 1.63 ft | 302 cfs |
| Great Miami River at Sidney OH | No flooding | 1.04 ft | 101 cfs |
| Great Miami River at Taylorsville OH | No flooding | 1.99 ft | 399 cfs |
| Great Miami River at Troy OH | No flooding | 2.66 ft | 322 cfs |
| Hocking River at Athens OH | No flooding | 3.82 ft | 413 cfs |
| Hocking River at Enterprise OH | No flooding | 1.46 ft | 277 cfs |
| Huron River at Milan OH | No flooding | 6.19 ft | 58 cfs |
| Indian Creek near Macedonia OH | No flooding | 1.15 ft | 4 cfs |
| Killbuck Creek at Killbuck OH | No flooding | 6.89 ft | 109 cfs |
| Kokosing River at Mount Vernon OH | No flooding | 2.52 ft | 62 cfs |
| Lake Fork below Mohicanville Dam near Mohicanville OH | No flooding | 4.63 ft | — |
| Licking River near Newark OH | No flooding | 4.95 ft | 1,210 cfs |
| Little Miami River at Milford OH | No flooding | 7.16 ft | 2,230 cfs |
| Little Miami River near Oldtown OH | No flooding | 1.61 ft | 73 cfs |
| Little Miami River near Spring Valley OH | No flooding | 2.66 ft | — |
| Little Muskingum River at Bloomfield OH | No flooding | 6.46 ft | 863 cfs |
| Loramie Creek at Lockington OH | No flooding | 2.51 ft | 225 cfs |
| Lye Creek above Findlay OH | No flooding | 1.23 ft | 1 cfs |
| Mad River near Dayton OH | No flooding | 2.69 ft | 360 cfs |
| Mad River near Springfield OH | No flooding | 3.73 ft | 527 cfs |
| Mahoning River above West Ave at Youngstown OH | No flooding | 3.97 ft | 826 cfs |
| Mahoning River at Alliance OH | No flooding | 3.75 ft | — |
| Mahoning River at Leavittsburg OH | No flooding | 3.32 ft | 397 cfs |
| Mahoning River at Lowellville OH | No flooding | 3.47 ft | 1,220 cfs |
| Mahoning River at Pricetown OH | No flooding | 2.60 ft | 226 cfs |
| Mahoning River below Berlin Dam near Berlin Center OH | No flooding | 2.11 ft | 229 cfs |
| Massies Creek at Wilberforce OH | No flooding | 4.19 ft | 388 cfs |
| Maumee River at Waterville OH | No flooding | 2.26 ft | 859 cfs |
| Maumee River near Defiance OH | No flooding | 1.90 ft | 777 cfs |
| Middle Branch Nimishillen Creek at Canton OH | No flooding | 1.40 ft | 17 cfs |
| Mill Creek at Evendale OH | No flooding | 6.36 ft | 354 cfs |
| Mill Creek at Garfield Pkwy at Garfield Heights OH | No flooding | 1.64 ft | 17 cfs |
| Mill Creek at Kemper Road at Sharonville OH | No flooding | 4.89 ft | — |
| Mosquito Creek below Mosquito Creek Dam near Cortland OH | No flooding | 1.83 ft | 101 cfs |
| Muskingum River at Beverly OH | No flooding | 19.72 ft | 14,300 cfs |
| Muskingum River at Dresden OH | No flooding | 7.00 ft | 2,220 cfs |
| Muskingum River at McConnelsville OH | No flooding | 3.61 ft | 11,300 cfs |
| Muskingum River at Zanesville OH-USGS 03148000 | No flooding | 9.68 ft | — |
| Muskingum River near Coshocton OH | No flooding | 6.22 ft | 1,800 cfs |
| N. Fork. Licking River at E. Main St. at Newark OH | No flooding | 2.89 ft | 119 cfs |
| Nimishillen Creek at North Industry OH | No flooding | 4.56 ft | 261 cfs |
| North Fork Licking River at Ohio Street, Newark OH | No flooding | 4.27 ft | — |
| Ohio Brush Creek near West Union OH | No flooding | 4.65 ft | 1,230 cfs |
| OHIO R AT NEW CUMBERLAND LOCK & DAM (LOWER), OH | No flooding | 13.66 ft | — |
| OHIO RIVER AT CINCINNATI, OH | No flooding | 27.16 ft | 44,900 cfs |
| OHIO RIVER AT HANNIBAL LOCK AND DAM (LOWER), OH | No flooding | 12.77 ft | — |
| OHIO RIVER AT IRONTON, OH | No flooding | 34.35 ft | 35,300 cfs |
| OHIO RIVER AT MARIETTA, OH | No flooding | 16.22 ft | — |
| OHIO RIVER AT PORTSMOUTH, OH | No flooding | 16.70 ft | — |
| Olentangy River at Claridon OH | No flooding | 1.55 ft | — |
| Olentangy River near Worthington OH | No flooding | 2.90 ft | 587 cfs |
| Ottawa River at University of Toledo, Toledo OH | No flooding | 2.26 ft | 24 cfs |
| Ottawa River near Kalida OH | No flooding | 4.10 ft | 36 cfs |
| Paint Creek near Bourneville OH | No flooding | 1.63 ft | 146 cfs |
| Plum Creek near Olmsted Falls OH | No flooding | 1.36 ft | 1 cfs |
| Portage River at Woodville OH | No flooding | 3.02 ft | 225 cfs |
| Portage River near Elmore OH | No flooding | 2.76 ft | 217 cfs |
| Raccoon Cr. below. Wilson Street at Newark OH | No flooding | 6.13 ft | 302 cfs |
| Raccoon Creek at Adamsville OH | No flooding | 2.77 ft | 140 cfs |
| Raccoon Creek near Granville OH | No flooding | 5.12 ft | 423 cfs |
| Rocky River near Berea OH | No flooding | 5.78 ft | 182 cfs |
| Sandusky River at Tiffin OH | No flooding | 1.56 ft | 119 cfs |
| Sandusky River near Bucyrus OH | No flooding | 0.80 ft | 16 cfs |
| Sandusky River near Fremont OH | No flooding | 1.17 ft | 150 cfs |
| Sandusky River near Upper Sandusky OH | No flooding | 1.38 ft | 22 cfs |
| Sandy Creek at Waynesburg OH | No flooding | 1.66 ft | 153 cfs |
| Scioto River at Chillicothe OH | No flooding | 2.72 ft | 1,590 cfs |
| Scioto River at Circleville OH | No flooding | 2.14 ft | 1,170 cfs |
| Scioto River at Columbus OH | No flooding | 7.33 ft | 1,170 cfs |
| Scioto River at La Rue OH | No flooding | 1.47 ft | 34 cfs |
| Scioto River at Piketon OH | No flooding | 2.38 ft | 2,170 cfs |
| Scioto River near Commercial Point OH | No flooding | 10.42 ft | 1,660 cfs |
| Scioto River near Prospect OH | No flooding | 1.33 ft | 46 cfs |
| Sevenmile Creek at Camden OH | No flooding | 3.38 ft | 27 cfs |
| Shade River near Chester OH | No flooding | 4.64 ft | 15 cfs |
| Sharon Creek at Sharonville OH | No flooding | 2.46 ft | — |
| Short Creek near Dillonvale OH | No flooding | 1.90 ft | 57 cfs |
| South Fork Licking River at Heath OH | No flooding | 6.78 ft | 533 cfs |
| South Fork Licking River at Kirkersville OH | No flooding | 5.06 ft | 102 cfs |
| South Fork Licking River near Hebron OH | No flooding | 4.61 ft | 398 cfs |
| St Joseph River near Newville IN | No flooding | 4.92 ft | 258 cfs |
| St. Marys River at Rockford OH | No flooding | 1.60 ft | 45 cfs |
| Stillwater River at Englewood OH | No flooding | 2.87 ft | 182 cfs |
| Sunday Creek at Glouster OH | No flooding | 4.57 ft | — |
| Symmes Creek at Aid OH | No flooding | 5.94 ft | 51 cfs |
| Tiffin River at Stryker OH | No flooding | 2.98 ft | 41 cfs |
| Tinkers Creek at Bedford OH | No flooding | 2.89 ft | 151 cfs |
| Tuscarawas River above Barberton OH | No flooding | 3.59 ft | 56 cfs |
| Tuscarawas River at Clinton OH | No flooding | 5.54 ft | 77 cfs |
| Tuscarawas River at Massillon OH | No flooding | 8.30 ft | 241 cfs |
| Tuscarawas River at New Philadelphia OH | No flooding | 1.36 ft | 689 cfs |
| Tuscarawas River at Newcomerstown OH | No flooding | 1.23 ft | 936 cfs |
| Tuscarawas River below Dover Dam near Dover OH | No flooding | 1.97 ft | — |
| Twin Creek near Germantown OH | No flooding | 1.09 ft | 52 cfs |
| Tymochtee Creek at Crawford OH | No flooding | 2.07 ft | 5 cfs |
| Vermilion River near Vermilion OH | No flooding | 2.17 ft | 31 cfs |
| West Branch Mahoning River at Wayland OH | No flooding | 3.03 ft | 90 cfs |
| West Branch Nimishillen Creek at North Canton OH | No flooding | 3.88 ft | — |
| West Branch Rocky River at West View OH | No flooding | 6.47 ft | 26 cfs |
| Wheeling Creek below Blaine OH | No flooding | 1.48 ft | 78 cfs |
| Whetstone Creek at Mt Gilead OH | No flooding | 1.98 ft | 1 cfs |
| Wills Creek at Cambridge OH | No flooding | 2.71 ft | 104 cfs |
| Wills Creek at Derwent OH | No flooding | 4.73 ft | — |
| Wolf Creek at Holland OH | No flooding | 1.66 ft | 7 cfs |
| Zimber Ditch at North Canton OH | No flooding | 4.26 ft | — |
| Abram Creek at Middleburg Heights OH | No current data | — | — |
| Ai Creek near Swanton OH | No current data | — | — |
| Auglaize River near Kossuth OH | No current data | — | — |
| Bad Creek near Delta OH | No current data | — | — |
| Bath Creek at Bath Center OH | No current data | — | — |
| Big Run at Wakefield OH | No current data | — | — |
| Blanchard River at Cuba OH | No current data | — | — |
| Blue Creek near Whitehouse OH | No current data | — | — |
| Bokengehalas Creek near De Graff OH | No current data | — | — |
| Bokes Creek near Warrensburg OH | No current data | — | — |
| Brandywine Creek near Jaite OH | No current data | — | — |
| Captina Creek at Armstrongs Mills OH | No current data | — | — |
| Cedar Fork above Bellville OH | No current data | — | — |
| Coldwater Creek at Coldwater OH | No current data | — | — |
| Congress Run near Carthage OH | No current data | — | — |
| Crystal Creek at Stow OH | No current data | — | — |
| Cuyahoga R at Cuyahoga St below Cuyahoga Falls OH | No current data | — | — |
| Cuyahoga R at Gorge Metro Pk at Cuyahoga Falls OH | No current data | — | — |
| Cuyahoga River at Cuyahoga Falls OH | No current data | — | — |
| Cuyahoga River near Newburgh Heights OH | No current data | — | — |
| E Branch Nimishillen Crk at Trump Ave near Canton OH | No current data | — | — |
| East Branch Black River at Elyria OH | No current data | — | — |
| East Branch Shepherd Creek near Mt Airy OH | No current data | — | — |
| East Fork Little Miami River near Batavia OH | No current data | — | — |
| Euclid Creek near Euclid OH | No current data | — | — |
| Flatrock Creek at State Route 613 near Payne OH | No current data | — | — |
| Grand River at Harpersfield OH | No current data | — | — |
| Great Miami River at Russells Point OH | No current data | — | — |
| Great Miami River below Miamisburg OH | No current data | — | — |
| Great Miami River below Indian Lake at Russells Pt OH | No current data | — | — |
| Hocking River below Athens OH | No current data | — | — |
| Indian Creek at Millville OH | No current data | — | — |
| Kale Creek near Pricetown OH | No current data | — | — |
| Kokosing River near Lucerne OH | No current data | — | — |
| Lacarpe Creek near Oak Harbor OH | No current data | — | — |
| Little Beaver Creek near Piketon OH | No current data | — | — |
| Little Killbuck Creek near Burbank OH | No current data | — | — |
| Little Raccoon Creek near Ewington OH | No current data | — | — |
| Loramie Creek near Fort Loramie OH | No current data | — | — |
| M Branch Shepherd Creek at RM 0.04 near Mt Airy OH | No current data | — | — |
| M Branch Shepherd Creek at RM 0.15 near Mt Airy OH | No current data | — | — |
| M Branch Shepherd Creek at RM 0.50 near Mt Airy OH | No current data | — | — |
| Mad River at State Route 235 near Fairborn OH | No current data | — | — |
| McMahon Creek above Welsh Run at Glencoe OH | No current data | — | — |
| Mill Creek at Fairmount OH | No current data | — | — |
| Mill Creek at Price Rd. at Youngstown OH | No current data | — | — |
| Mill Creek at Shields Rd. at Boardman OH | No current data | — | — |
| Mill Creek at Youngstown OH | No current data | — | — |
| Monday Creek at Doanville OH | No current data | — | — |
| Montrose Run at Montrose OH | No current data | — | — |
| Mud Brook at Cuyahoga Falls OH | No current data | — | — |
| Mud Brook at Stow OH | No current data | — | — |
| Muskingum River near Beverly OH | No current data | — | — |
| North Fork at Bath Center OH | No current data | — | — |
| North Fork at Bath OH | No current data | — | — |
| Otter Creek above Presque Isle at Oregon Ohio | No current data | — | — |
| Otter Creek at Mouth at Oregon OH | No current data | — | — |
| Otter Creek below Millard Ave at Oregon OH | No current data | — | — |
| Park Creek at Bath Center OH | No current data | — | — |
| Powers Brook at Hudson OH | No current data | — | — |
| Powers Brook at Stow OH | No current data | — | — |
| Raccoon Creek near Bolins Mills OH | No current data | — | — |
| Rock Creek near Republic OH | No current data | — | — |
| Rocky Fork at Gahanna, OH | No current data | — | — |
| Sagamore Creek at Sagamore Road OH | No current data | — | — |
| Sandusky River below Bradys Island at Fremont OH | No current data | — | — |
| Schocalog Run at Copley Junction OH | No current data | — | — |
| Schocalog Run at Fairlawn OH | No current data | — | — |
| Schocalog Run at Montrose OH | No current data | — | — |
| Snow Fork Monday Creek at Buchtel OH | No current data | — | — |
| South Fork Licking River near Buckeye Lake OH | No current data | — | — |
| Stillwater Creek at Uhrichsville OH | No current data | — | — |
| Strongs Run near Ewington OH | No current data | — | — |
| Sunday Creek below Millfield OH | No current data | — | — |
| Sunfish Creek at Cameron OH | No current data | — | — |
| The Outlet near Findlay OH | No current data | — | — |
| Twin Creek near Ingomar OH | No current data | — | — |
| Unnamed Drainage at Horizonvue Dr, Mt Airy OH | No current data | — | — |
| Unnamed Drainage at Ponderosa Dr, Mt Airy OH | No current data | — | — |
| Unnamed Drainage at Westonridge Rd, Mt Airy OH | No current data | — | — |
| Vermilion River near Fitchville OH | No current data | — | — |
| W Br Nimishillen Crk at Tuscarawas St at Canton OH | No current data | — | — |
| W Branch Shepherd Creek at RM 0.01 near Mt Airy OH | No current data | — | — |
| W Branch Shepherd Creek at RM 0.40 near Mt Airy OH | No current data | — | — |
| W Fork Mill Creek at Hille Park at Cincinnati OH | No current data | — | — |
| W Fork Mill Creek at West Fork Road at Cincinnati OH | No current data | — | — |
| West Branch Black River above Elyria OH | No current data | — | — |
| West Creek at Independence OH | No current data | — | — |
| West Creek at Ridgewood Road at Parma OH | No current data | — | — |
| White Oak Creek near Georgetown OH | No current data | — | — |
| Wolf Creek near Kansas OH | No current data | — | — |
| Yellow Creek at Botzum OH | No current data | — | — |
| Yellow Creek at Ghent OH | No current data | — | — |
| Zinns Run near Radcliff OH | No current data | — | — |
| Abram Creek at Brook Park OH | No flood stage defined | 1.82 ft | — |
| Abram Creek at Kolthoff Drive at Brook Park OH | No flood stage defined | 0.57 ft | — |
| Alum Creek at Africa OH | No flood stage defined | 1.57 ft | 31 cfs |
| Alum Creek at Columbus OH | No flood stage defined | 2.85 ft | 279 cfs |
| Alum Creek near Kilbourne OH | No flood stage defined | 2.29 ft | 10 cfs |
| Baker Creek at Olmsted Falls OH | No flood stage defined | 1.44 ft | — |
| Baldwin Creek at Strongsville OH | No flood stage defined | 2.99 ft | — |
| Bear Hole Run near Carrollton OH | No flood stage defined | 2.01 ft | — |
| Beaver Creek above Senecaville Lake OH | No flood stage defined | 9.27 ft | — |
| Beaver Creek near Celina OH | No flood stage defined | 4.96 ft | 5 cfs |
| Beaverdam Run above Tappan Lake OH | No flood stage defined | 0.67 ft | — |
| Big Walnut Creek at Rees OH | No flood stage defined | 3.65 ft | 905 cfs |
| Big Walnut Creek at Sunbury OH | No flood stage defined | 5.81 ft | 207 cfs |
| Black Fork at Melco OH | No flood stage defined | 6.65 ft | — |
| Blacklick Creek at Reynoldsburg OH | No flood stage defined | 4.57 ft | — |
| Blacklick Creek near Pickerington OH | No flood stage defined | 5.61 ft | 80 cfs |
| Blanchard River at Gilboa OH | No flood stage defined | 4.57 ft | 118 cfs |
| Blanchard River near Dupont OH | No flood stage defined | 6.61 ft | 203 cfs |
| Boggs Fork at Piedmont OH | No flood stage defined | 2.78 ft | 35 cfs |
| Bokengehalas Creek at De Graff OH | No flood stage defined | 1.74 ft | 51 cfs |
| Brushy Fork above Clendening Lake OH | No flood stage defined | 2.21 ft | — |
| Brushy Fork near Tippecanoe OH | No flood stage defined | 5.87 ft | 30 cfs |
| Buck Creek below CJ Brown Reservoir near Springfield OH | No flood stage defined | 0.76 ft | — |
| Caesar Creek near Wellman OH | No flood stage defined | 4.63 ft | — |
| Captina Creek at S.R. 148 at Armstrongs Mills OH | No flood stage defined | 7.55 ft | 2,490 cfs |
| Cherry Valley Run at Leetonia OH | No flood stage defined | 2.49 ft | — |
| Chickasaw Creek at St. Marys OH | No flood stage defined | 4.05 ft | 26 cfs |
| Chippewa Creek in Chippewa Met Pk near Brecksville OH | No flood stage defined | 2.63 ft | — |
| Chippewa Creek above Easton OH | No flood stage defined | 5.25 ft | 66 cfs |
| Chippewa Creek at Broadview Heights OH | No flood stage defined | 5.34 ft | — |
| Chippewa Creek at Miller Rd at Sterling OH | No flood stage defined | 1.65 ft | 7 cfs |
| Clear Creek near Rockbridge OH | No flood stage defined | 3.11 ft | 479 cfs |
| Clear Fork above Tappan Lake OH | No flood stage defined | 0.91 ft | — |
| Clear Fork below Pleasant Hill Dam near Perrysville OH | No flood stage defined | 1.02 ft | — |
| Cuyahoga R at Lower Harvard Brdg in Cleveland OH | No flood stage defined | 23.74 ft | 1,420 cfs |
| Cuyahoga River at Rivergate Park at Cleveland OH | No flood stage defined | 5.33 ft | — |
| Deer Creek at Mount Sterling OH | No flood stage defined | 3.70 ft | 75 cfs |
| Deer Creek at Williamsport OH | No flood stage defined | 3.21 ft | — |
| Deer Creek near Pancoastburg OH | No flood stage defined | 1.34 ft | — |
| Doan Brook at MLK Jr Dr at Cleveland OH | No flood stage defined | 2.36 ft | 27 cfs |
| E Fork Little Miami River below Harsha Dam near Bantam OH | No flood stage defined | 15.46 ft | — |
| East Br Big Creek at Brookpark Rd near Parma OH | No flood stage defined | 4.16 ft | 7 cfs |
| East Branch Big Creek at Brooklyn OH | No flood stage defined | 2.35 ft | 4 cfs |
| East Branch Euclid Creek at Richmond Heights OH | No flood stage defined | 1.52 ft | — |
| East Branch Rocky River near Strongsville OH | No flood stage defined | 5.87 ft | 40 cfs |
| East Fork Little Miami River at Williamsburg OH | No flood stage defined | 2.03 ft | 295 cfs |
| Euclid Creek at Cleveland OH | No flood stage defined | 2.71 ft | 46 cfs |
| Euclid Creek at South Euclid OH | No flood stage defined | 0.47 ft | — |
| G Miami River at Sellars Rd at West Carrollton OH | No flood stage defined | 7.80 ft | — |
| Greenville Creek near Bradford OH | No flood stage defined | 1.51 ft | 40 cfs |
| Hellbranch Run near Harrisburg OH | No flood stage defined | 4.49 ft | 12 cfs |
| Hocking River at Lancaster OH | No flood stage defined | 5.44 ft | 80 cfs |
| Holes Creek near Kettering OH | No flood stage defined | 2.48 ft | 7 cfs |
| Honey Creek at Melmore OH | No flood stage defined | 2.06 ft | 15 cfs |
| Indian Fork at Dellroy OH | No flood stage defined | 7.08 ft | — |
| Indian Fork below Atwood Dam near New Cumberland OH | No flood stage defined | 6.53 ft | 23 cfs |
| Inflow tile to bioreactor near Mark Center OH | No flood stage defined | -0.03 ft | — |
| Leatherwood Creek near Kipling OH | No flood stage defined | 3.37 ft | 86 cfs |
| Licking River below Dillon Dam near Dillon Falls OH | No flood stage defined | 4.04 ft | — |
| Little Auglaize River at Melrose OH | No flood stage defined | 14.26 ft | — |
| Little Beaver Creek near East Liverpool OH | No flood stage defined | 3.35 ft | 327 cfs |
| Little Darby Creek at West Jefferson OH | No flood stage defined | 5.23 ft | 41 cfs |
| Little Flatrock Creek near Junction OH | No flood stage defined | 2.17 ft | 0 cfs |
| Little Killbuck Creek near Lodi OH | No flood stage defined | 4.43 ft | 2 cfs |
| Little Stillwater Creek below Tappan Dam at Tappan OH | No flood stage defined | 4.14 ft | 19 cfs |
| Loramie Creek near Newport OH | No flood stage defined | 4.02 ft | 64 cfs |
| Mad River at St Paris Pike at Eagle City OH | No flood stage defined | 6.77 ft | 401 cfs |
| Mad River at West Liberty OH - 03266560 | No flood stage defined | 2.82 ft | 37 cfs |
| Mad River near Urbana OH | No flood stage defined | 3.24 ft | 192 cfs |
| Maumee River at Antwerp OH | No flood stage defined | 7.42 ft | 831 cfs |
| McGuire Creek above Leesville Lake OH | No flood stage defined | 4.24 ft | — |
| McGuire Creek near Leesville OH | No flood stage defined | 3.31 ft | 39 cfs |
| Mill Creek above Marysville OH | No flood stage defined | 6.35 ft | 179 cfs |
| Mill Creek at Carthage OH | No flood stage defined | 7.15 ft | 750 cfs |
| Mill Creek at East Sharon Rd at Sharonville OH | No flood stage defined | 6.78 ft | 290 cfs |
| Mill Creek at Garfield Hts OH | No flood stage defined | 1.34 ft | 26 cfs |
| Mill Creek at Reading OH | No flood stage defined | 7.29 ft | — |
| Mill Creek near Bellepoint OH | No flood stage defined | 4.06 ft | 595 cfs |
| Mill Creek near Coshocton OH | No flood stage defined | 1.19 ft | 2 cfs |
| Mosquito Creek near Greene Center OH | No flood stage defined | 4.35 ft | 0 cfs |
| North Fork Licking River at Newark OH | No flood stage defined | 0.36 ft | 71 cfs |
| North Fork Licking River at Utica OH | No flood stage defined | 7.30 ft | 16 cfs |
| North Fork McGuire Creek near Carrollton OH | No flood stage defined | 3.93 ft | — |
| O'Bannon Creek near Loveland OH | No flood stage defined | 1.92 ft | 184 cfs |
| OHIO R AT NEW CUMBERLAND LOCK & DAM (UPPER), OH | No flood stage defined | 13.01 ft | — |
| OHIO RIVER ABOVE SARDIS, OH | No flood stage defined | 12.87 ft | 15,700 cfs |
| OHIO RIVER AT HANNIBAL LOCK AND DAM (UPPER), OH | No flood stage defined | 13.21 ft | — |
| Old Woman Creek at Berlin Rd near Huron OH | No flood stage defined | 1.39 ft | 5 cfs |
| Olentangy River at J H Herrick Dr at Columbus OH | No flood stage defined | 711.36 ft | 266 cfs |
| Olentangy River near Delaware OH | No flood stage defined | 1.91 ft | 71 cfs |
| Ottawa River at Lima OH | No flood stage defined | 10.25 ft | 1 cfs |
| Outflow tile to bioreactor near Mark Center OH | No flood stage defined | 0.04 ft | — |
| Paint Creek at Chillicothe OH | No flood stage defined | 5.45 ft | 229 cfs |
| Paint Creek near Bainbridge OH | No flood stage defined | 1.85 ft | — |
| Paint Creek near Greenfield OH | No flood stage defined | 1.86 ft | 87 cfs |
| Platter Creek near Sherwood OH | No flood stage defined | 1.00 ft | 0 cfs |
| Potato Run near Wharton OH | No flood stage defined | 1.61 ft | 2 cfs |
| Pymatuning Creek at Kinsman OH | No flood stage defined | 4.48 ft | — |
| Rattlesnake Creek at Centerfield OH | No flood stage defined | 1.94 ft | — |
| Riley Creek below Pandora OH | No flood stage defined | 3.17 ft | 2 cfs |
| Rock Creek at Tiffin OH | No flood stage defined | 3.61 ft | 2 cfs |
| Rocky Fork at Lucas OH | No flood stage defined | 4.57 ft | — |
| Rocky Fork near Barretts Mills OH | No flood stage defined | 1.90 ft | 24 cfs |
| Salt Creek near Chandlersville OH | No flood stage defined | 9.07 ft | 874 cfs |
| Scioto River at 5th Ave at Columbus OH | No flood stage defined | 7.68 ft | 397 cfs |
| Scioto River at Higby OH | No flood stage defined | 1.92 ft | 1,520 cfs |
| Scioto River at Kenton OH | No flood stage defined | 1.25 ft | 3 cfs |
| Scioto River below O'Shaughnessy Dam near Dublin OH | No flood stage defined | 4.56 ft | 445 cfs |
| Seneca Fork above Senecaville Lake OH | No flood stage defined | 10.37 ft | — |
| Seneca Fork below Senecaville Dam near Senecaville OH | No flood stage defined | 4.60 ft | 12 cfs |
| Shallow Run near Dunkirk OH | No flood stage defined | 1.79 ft | 0 cfs |
| South Fork above Senecaville Lake OH | No flood stage defined | 9.13 ft | — |
| South Turkeyfoot Creek near Shunk OH | No flood stage defined | 0.70 ft | 3 cfs |
| St Marys River at Walcot Street at Willshire OH | No flood stage defined | 2.77 ft | 51 cfs |
| Standingstone Fork above Tappan Lake OH | No flood stage defined | 4.77 ft | — |
| Stillwater Creek above Piedmont Lake OH | No flood stage defined | 2.61 ft | — |
| Stillwater Creek at Piedmont OH | No flood stage defined | 2.42 ft | 82 cfs |
| Stillwater Creek at Tippecanoe OH | No flood stage defined | 3.42 ft | 110 cfs |
| Stillwater River at Pleasant Hill OH | No flood stage defined | 1.48 ft | 121 cfs |
| Sugar Creek at Strasburg OH | No flood stage defined | 1.69 ft | 74 cfs |
| Sugar Creek below Beach City Dam near Beach City OH | No flood stage defined | 0.61 ft | — |
| Sunday Creek near Burr Oak OH | No flood stage defined | 8.20 ft | — |
| Swan Creek at Oak Openings Metropark OH | No flood stage defined | 5.20 ft | — |
| Swan Creek below Monclova OH | No flood stage defined | 4.13 ft | — |
| Sycamore Creek below Pickerington OH | No flood stage defined | 7.90 ft | — |
| Tenmile Creek at Mitchaw OH | No flood stage defined | 3.34 ft | — |
| Tenmile Creek at Silica OH | No flood stage defined | 4.10 ft | — |
| Tiffin River near Evansport OH | No flood stage defined | 10.09 ft | 112 cfs |
| Touby Run at W 6th St at Mansfield OH | No flood stage defined | 5.29 ft | 13 cfs |
| Unnamed trib above wetland near Winn Rd near Defiance OH | No flood stage defined | 1.11 ft | 0 cfs |
| Unnamed trib to Chagrin R at Mayfield Village OH | No flood stage defined | 0.78 ft | — |
| Unnamed Tributary to W B Rocky R near Olmsted Falls OH | No flood stage defined | 0.51 ft | — |
| Unnamed Tributary near Dellroy OH | No flood stage defined | 4.92 ft | — |
| Unnamed tributary to Chagrin R at Pepper Pike OH | No flood stage defined | 6.69 ft | — |
| Unnamed Tributary to Lost Creek near Farmer OH | No flood stage defined | 1.08 ft | 0 cfs |
| Unnamed Tributary to Styx River at Rittman OH | No flood stage defined | 2.58 ft | — |
| Unnamed Tributary to W B Rocky R near Berea OH | No flood stage defined | 1.90 ft | — |
| Upper Twin Creek at McGaw OH | No flood stage defined | 8.32 ft | 2,720 cfs |
| Van Hyning Run at Barberton OH | No flood stage defined | 5.18 ft | — |
| Wakatomika Creek near Frazeysburg OH | No flood stage defined | 4.03 ft | 19 cfs |
| Walhonding River below Mohawk Dam at Nellie OH | No flood stage defined | 5.97 ft | — |
| Walhonding River below Randle OH | No flood stage defined | 0.99 ft | — |
| Walnut Creek at Ashville OH | No flood stage defined | 6.18 ft | 319 cfs |
| West Branch Mahoning River near Ravenna OH | No flood stage defined | 2.29 ft | 44 cfs |
| WEST BRANCH ST. JOSEPH RIVER NR NETTLE LAKE, OH | No flood stage defined | 4.73 ft | 21 cfs |
| West Creek at Brooklyn Heights OH | No flood stage defined | 3.36 ft | 6 cfs |
| West Creek at Pleasant Valley Road near Parma OH | No flood stage defined | 9.04 ft | — |
| White Oak Creek above Georgetown OH | No flood stage defined | 7.07 ft | 2,530 cfs |
| Willow Run near Dellroy OH | No flood stage defined | 3.00 ft | — |
| Wills Creek below Wills Creek Dam at Wills Creek OH | No flood stage defined | 2.54 ft | — |
| Wolf Creek at Barber Road near Barberton OH | No flood stage defined | 5.72 ft | — |
| Wolf Creek at Dayton OH | No flood stage defined | 1.25 ft | 19 cfs |
| Wolf Creek near Barberton OH | No flood stage defined | 5.69 ft | — |
| Yellow Creek at Amsterdam OH | No flood stage defined | 1.70 ft | — |
| Yellow Creek near Hammondsville OH | No flood stage defined | 1.74 ft | 77 cfs |