About this river
Ohio River is an 11.0 mile river near Endless Summer Paddle Company in Kentucky. Streamflow is measured at the USGS gauge Ohio River at Louisville, KY (site 03294500). The National Hydrography Dataset places it at stream order 9. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1929 to 2025
Ohio River typically runs highest in March, at a median 215,000 cfs, and lowest in September, at 23,200 cfs. The highest flow on record for any single day is 1,110,000 cfs, in 1937.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 138,000 | 69,300 to 237,000 | |
| February | 167,000 | 100,000 to 271,000 | |
| March | 215,000 | 137,000 to 319,000 | |
| April | 193,000 | 126,000 to 274,000 | |
| May | 126,000 | 67,300 to 207,000 | |
| June | 68,950 | 38,000 to 121,000 | |
| July | 43,200 | 28,100 to 76,800 | |
| August | 33,500 | 20,700 to 54,400 | |
| September | 23,200 | 14,350 to 40,550 | |
| October | 27,400 | 15,500 to 46,500 | |
| November | 50,400 | 28,300 to 104,000 | |
| December | 110,000 | 52,500 to 192,000 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 97 years of record. Statistics published by the US Geological Survey for Ohio River at Louisville, KY (site 03294500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
5 mapped launches sit in the mapped area of Ohio River. Ramp data comes from the USGS national boat-ramp inventory.
- McNeelyPennsylvania Run - McNeely LakePublic
- Long Run ParkLong Run ParkPublic
- Boat SalesOhio RiverRestricted
- Cox's ParkOhio RiverPublic
- Duffy's LandingOhio RiverPublic
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Ohio River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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