Mahoning River
River in Ohio, read from 6 USGS gauges, draining about 1,073 square miles. Figures refresh every fifteen minutes.
Discharge
636
cfs · 47 min ago
Normal for today
390
cfs median, 18 yrs
Water temp
62
°F · 47 min ago
Gage height
2.99
ft
Gauges on this water
Reading by reach
Reading the number
On this date the gauge has averaged 390 cfs over 18 years of record, with the middle half of years falling between 345 and 811 cfs. Today sits inside that band, which is as close to a normal October day as the gauge can tell you.
Regional hatch calendar
What is likely hatching near Mahoning River
Mahoning River does not have its own verified chart yet. This calendar is combined from the verified charts on Grand River (55 mi), Clarion River (102 mi), Youghiogheny River (112 mi). Treat it as regional timing, and file a report if you see something different here.
| Insect | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blue-Winged Olive | January: absent | February: absent | March: active | April: peak | May: active | June: active | July: absent | August: absent | September: active | October: peak | November: active | December: absent |
| Caddis | January: absent | February: absent | March: absent | April: active | May: peak | June: peak | July: active | August: active | September: active | October: active | November: absent | December: absent |
| Little Black Stonefly | January: active | February: active | March: peak | April: active | May: absent | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| March Brown | January: absent | February: absent | March: absent | April: absent | May: peak | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Sulphur | January: absent | February: absent | March: absent | April: absent | May: peak | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
| Terrestrials | January: absent | February: absent | March: absent | April: absent | May: absent | June: active | July: peak | August: peak | September: active | October: absent | November: absent | December: absent |
| Egg Patterns | January: active | February: active | March: peak | April: peak | May: absent | June: absent | July: absent | August: absent | September: absent | October: peak | November: peak | December: peak |
| Green Drake | January: absent | February: absent | March: absent | April: absent | May: active | June: active | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Hendrickson | January: absent | February: absent | March: absent | April: peak | May: active | June: absent | July: absent | August: absent | September: absent | October: absent | November: absent | December: absent |
| Isonychia | January: absent | February: absent | March: absent | April: absent | May: absent | June: absent | July: active | August: peak | September: peak | October: absent | November: absent | December: absent |
| Lake-Run Smallmouth | January: absent | February: absent | March: absent | April: peak | May: peak | June: active | July: active | August: active | September: absent | October: absent | November: absent | December: absent |
| Light Cahill | January: absent | February: absent | March: absent | April: absent | May: absent | June: peak | July: active | August: absent | September: absent | October: absent | November: absent | December: absent |
Reports
From anglers on Mahoning River
No reports filed here yet. The first one becomes the page’s local knowledge, stamped with the flow at the time. File a report.