| 03086500 | Mahoning River at Alliance OH | 09/06 20:00 EDT | 20.4 | -- |
| 03090500 | Mahoning River bl Berlin Dam nr Berlin Center OH | 09/06 19:15 EDT | 22.4 | -- |
| 03091500 | Mahoning River at Pricetown OH | 09/06 20:00 EDT | 22.8 | -- |
| 03092090 | West Branch Mahoning River near Ravenna OH | 09/06 19:00 EDT | 18.6 | -- |
| 03092460 | West Branch Mahoning River at Wayland OH | 09/06 19:15 EDT | 21.6 | -- |
| 03094000 | Mahoning River at Leavittsburg OH | 09/06 19:15 EDT | 20.7 | -- |
| 03094704 | Mosquito Creek near Greene Center OH | 09/06 19:45 EDT | 19.4 | -- |
| 03095500 | Mosquito Creek bl Mosquito Ck Dam nr Cortland OH | 09/06 19:45 EDT | 22.5 | -- |
| 03098600 | Mahoning River above West Ave at Youngstown OH | 05/27 08:00 EDT | 21.4 | -- |
| | Instream | 09/06 19:15 EDT | 21.8 | -- |
| 03099500 | Mahoning River at Lowellville OH | 09/06 20:00 EDT | 22.0 | -- |
| 03102950 | Pymatuning Creek at Kinsman OH | 09/06 19:30 EDT | 18.8 | -- |
| 03119341 | McGuire Creek above Leesville Lake OH | 09/06 19:45 EDT | 22.2 | -- |
| 03119971 | North Fork McGuire Creek near Carrollton OH | 09/06 19:45 EDT | 22.2 | -- |
| 03119979 | Bear Hole Run near Carrollton OH | 09/06 19:15 EDT | 17.9 | -- |
| 03120820 | Indian Fork at Dellroy OH | 09/06 19:45 EDT | 22.2 | -- |
| 03120869 | Willow Run near Dellroy OH | 09/06 19:45 EDT | 19.2 | -- |
| 03120961 | Unnamed Tributary near Dellroy OH | 09/06 19:45 EDT | 18.3 | -- |
| 03125338 | Stillwater Creek above Piedmont Lake OH | 09/06 19:30 EDT | 20.4 | -- |
| 03126395 | Brushy Fork above Clendening Lake OH | 09/06 19:30 EDT | 20.4 | -- |
| 03127980 | Clear Fork above Tappan Lake OH | 09/06 19:15 EDT | 21.1 | -- |
| 03127986 | Standingstone Fork above Tappan Lake OH | 09/06 19:45 EDT | 18.5 | -- |
| 03127989 | Beaverdam Run above Tappan Lake OH | 09/06 19:15 EDT | 19.9 | -- |
| 03140853 | Seneca Fork above Senecaville Lake OH | 09/06 19:15 EDT | 21.7 | -- |
| 03140900 | South Fork above Senecaville Lake OH | 09/06 19:45 EDT | 20.8 | -- |
| 03140950 | Beaver Creek above Senecaville Lake OH | 09/06 19:30 EDT | Dry | -- |
| 03145483 | Raccoon Creek near Granville OH | 09/06 20:00 EDT | 21.8 | -- |
| 03159540 | Shade River near Chester OH | 09/06 19:00 EDT | 21.2 | -- |
| 03216070 | OHIO RIVER AT IRONTON, OH | 09/06 19:00 EDT | 27.0 | -- |
| 03219500 | Scioto River near Prospect OH | 09/06 19:00 EDT | 23.3 | -- |
| 03220510 | Scioto R. at O'Shaughnessy Dam near Dublin OH | 09/06 19:00 EDT | 24.2 | -- |
| 03221500 | Griggs Reservoir at Columbus OH | 09/06 19:00 EDT | 24.1 | -- |
| 03228039 | Scioto River above Shadeville OH | 09/06 19:00 EDT | 23.3 | -- |
| 03228300 | Big Walnut Creek at Sunbury OH | 09/06 19:00 EDT | 22.2 | -- |
| 03228805 | Alum Creek at Africa OH | 09/06 20:00 EDT | 19.9 | -- |
| 03230427 | Clover Groff Ditch below Alton OH | 09/06 19:00 EDT | Dry | -- |
| 03232470 | Paint Creek near Bainbridge OH | 09/06 19:15 EDT | 24.6 | -- |
| 03234000 | Paint Creek near Bourneville OH | 09/06 19:00 EDT | -- | Eqp |
| 03240000 | Little Miami River near Oldtown OH | 09/06 19:30 EDT | 21.5 | -- |
| 03242350 | Caesar Creek near Wellman OH | 09/06 19:00 EDT | 22.5 | -- |
| 03247041 | E Fk Little Miami River bl Harsha Dam nr Bantam OH | 09/06 19:00 EDT | 26.2 | -- |
| 03260500 | Indian Lake at Russells Point OH | 09/06 19:00 EDT | 23.4 | -- |
| 03261500 | Great Miami River at Sidney OH | 09/06 19:00 EDT | -- | 72.6 |
| 03262700 | Great Miami River at Troy OH | 09/06 20:00 EDT | 23.3 | -- |
| 03265000 | Stillwater River at Pleasant Hill OH | 09/06 19:00 EDT | 22.9 | -- |
| 03267900 | Mad River at St Paris Pike at Eagle City OH | 09/06 19:00 EDT | 17.4 | -- |
| 03268100 | Buck Creek bl CJ Brown Reservoir nr Springfield OH | 09/06 20:00 EDT | 22.0 | -- |
| 03274000 | Great Miami River at Hamilton OH | 09/06 19:00 EDT | 24.9 | -- |
| 04183500 | Maumee River at Antwerp OH |
| | [at sampler location] | 09/06 18:30 EDT | 25.1 | -- |
| 04188496 | Eagle Creek above Findlay OH | 09/06 18:45 EDT | 20.4 | -- |
| 04192500 | Maumee River near Defiance OH | 09/06 19:00 EDT | 25.2 | -- |
| 04193500 | Maumee River at Waterville OH | 09/03 12:00 EDT | Eqp | -- |
| 04198000 | Sandusky River near Fremont OH | 09/06 19:30 EDT | 22.3 | -- |
| 04199000 | Huron River at Milan OH | 09/06 19:30 EDT | 20.5 | -- |
| 04199500 | Vermilion River near Vermilion OH | 09/06 20:00 EDT | 20.6 | -- |
| 04200500 | Black River at Elyria OH | 09/06 19:15 EDT | Eqp | -- |
| 04201500 | Rocky River near Berea OH | 09/06 19:00 EDT | 19.1 | -- |
| 04206425 | Cuyahoga River at Jaite OH | 09/06 19:45 EDT | 21.7 | -- |
| 04208000 | Cuyahoga River at Independence OH | 09/06 19:30 EDT | 21.3 | -- |
| 04208509 | Cuyahoga River at Rivergate Park at Cleveland OH | 09/06 19:00 EDT | 25.7 | -- |
| 04212100 | Grand River near Painesville OH | 09/06 19:00 EDT | 21.8 | -- |
| 04213000 | Conneaut Creek at Conneaut OH | 09/06 20:00 EDT | 17.6 | -- |
| 395339083130100 | Big Darby Creek above Georgesville OH | 09/06 19:00 EDT | 22.5 | -- |
| 411402080492400 | Mahoning River near U.S. Route 422 at Warren OH | 09/06 19:30 EDT | 21.8 | -- |
| 412122083061400 | Sandusky River below Bradys Island at Fremont OH | 09/06 19:00 EDT | 23.7 | -- |
Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data
starting March 11, 2024 