Big Walnut Creek at Central College OH
USGS Site No: 03228500 • Big Walnut Creek • Franklin County, OH
Big Walnut Creek at Central College OH on the Big Walnut Creek is currently at 816 cfs (Very High — 127th percentile for this date) . Gage height: 5.53 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 | 61 | |
| 25th | Low threshold | 96 | |
| 50th (Median) | Normal (median) | 122 | |
| 75th | High threshold | 149 | |
| 95th | Very High threshold | 194 |
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 28, 2026 | 2,970 | — |
| May 27, 2026 | 2,480 | — |
| May 26, 2026 | 866 | — |
| May 25, 2026 | 1,530 | — |
| May 24, 2026 | 2,820 | — |
| May 23, 2026 | 3,790 | — |
| May 22, 2026 | 739 | — |
| May 21, 2026 | 1,090 | — |
| May 20, 2026 | 361 | — |
| May 19, 2026 | 163 | — |
| May 18, 2026 | 157 | — |
| May 17, 2026 | 155 | — |
| May 16, 2026 | 147 | — |
| May 15, 2026 | 153 | — |
| Apr 21, 2026 | 150 | — |
| Apr 20, 2026 | 149 | — |
| Apr 19, 2026 | 134 | — |
| Apr 18, 2026 | 145 | — |
| Apr 17, 2026 | 158 | — |
| Apr 16, 2026 | 171 | — |
| Apr 15, 2026 | 149 | — |
| Apr 14, 2026 | 147 | — |
| Apr 13, 2026 | 143 | — |
| Apr 12, 2026 | 143 | — |
| Apr 11, 2026 | 147 | — |
| Apr 10, 2026 | 151 | — |
| Apr 9, 2026 | 153 | — |
| Apr 8, 2026 | 189 | — |
| Apr 7, 2026 | 284 | — |
| Apr 6, 2026 | 331 | — |
Station Information
- USGS Site No
- 03228500
- State
- OH
- County
- Franklin County
- Coordinates
- 40.1037, -82.8841
- Drainage Area
- 190 mi²
- Datum (ft)
- 814.3
- HUC Code
- 05060001
Flood Stage Thresholds
- Action Stage
- 10.0 ft
- Flood Stage
- 11.7 ft
- Moderate Flood
- 14.0 ft
- Major Flood
- 16.0 ft
Currently 6.17 ft below flood stage.
Recent Extremes
- Max discharge
-
3,790 cfsMay 23, 2026
- Min discharge
-
102 cfsNov 28, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Alum Creek at Africa OHVery High6.8 mi · 903 cfs
-
Olentangy River Near Worthington OHVery High7.8 mi · 1,210 cfs
-
Big Walnut Creek at Sunbury OHHigh9.3 mi · 134 cfs
-
Olentangy River at J H Herrick Dr at Columbus OHVery High10.4 mi · 1,160 cfs
-
Alum Creek at Columbus OHLow11.4 mi · 25 cfs