Ohio River at Water Tower at Louisville, KY
USGS Site No: 03292494 • Ohio River • Jefferson County, KY
Ohio River at Water Tower at Louisville, KY on the Ohio River is currently at 351,000 cfs (Very High — 95th percentile for this date) . Gage height: 18.22 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 18,600 | |
| 25th | Low threshold | 36,000 | |
| 50th (Median) | Normal (median) | 54,300 | |
| 75th | High threshold | 71,400 | |
| 95th | Very High threshold | 0 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 29, 2026 | 346,000 | — |
| May 28, 2026 | 323,000 | — |
| May 27, 2026 | 305,000 | — |
| May 26, 2026 | 309,000 | — |
| May 25, 2026 | 279,000 | — |
| May 24, 2026 | 252,000 | — |
| May 23, 2026 | 220,000 | — |
| May 22, 2026 | 120,000 | — |
| May 21, 2026 | 111,000 | — |
| May 20, 2026 | 59,100 | — |
| May 19, 2026 | 64,900 | — |
| May 18, 2026 | 60,600 | — |
| May 17, 2026 | 74,000 | — |
| May 16, 2026 | 67,800 | — |
| May 15, 2026 | 63,200 | — |
| Apr 21, 2026 | 89,000 | — |
| Apr 20, 2026 | 96,300 | — |
| Apr 19, 2026 | 94,300 | — |
| Apr 18, 2026 | 87,400 | — |
| Apr 17, 2026 | 87,100 | — |
| Apr 16, 2026 | 89,700 | — |
| Apr 15, 2026 | 100,000 | — |
| Apr 14, 2026 | 119,000 | — |
| Apr 13, 2026 | 132,000 | — |
| Apr 12, 2026 | 145,000 | — |
| Apr 11, 2026 | 169,000 | — |
| Apr 10, 2026 | 192,000 | — |
| Apr 9, 2026 | 209,000 | — |
| Apr 8, 2026 | 209,000 | — |
| Apr 7, 2026 | 212,000 | — |
Station Information
- USGS Site No
- 03292494
- State
- KY
- County
- Jefferson County
- Coordinates
- 38.2812, -85.7022
- Drainage Area
- 91,048 mi²
- Datum (ft)
- 406.7
- HUC Code
- 051401010605
Recent Extremes
- Max discharge
-
392,000 cfsMar 8, 2026
- Min discharge
-
6,930 cfsAug 27, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Beargrass Creek at River Road at Louisville, KYVery High1.5 mi · 95 cfs
-
South Fork Beargrass Creek at East Oak St at Louisville, KYNormal3.6 mi · 19 cfs
-
M Fork Beargrass at Old Cannons Ln at Louisville, KYHigh3.7 mi · 25 cfs
-
Goose Creek at Us Highway 42 Near Glenview Acres, KYUnknown4.3 mi · 0 cfs
-
Little Goose Creek Near Harrods Creek, KYHigh4.7 mi · 12 cfs