Black Fork at Loudonville OH
USGS Site No: 03131500 • Black Fork • Ashland County, OH
Black Fork at Loudonville OH on the Black Fork is currently at 73 cfs (Low — 17th percentile for this date) . Gage height: 7.38 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 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 | 0 | |
| 25th | Low threshold | 158 | Today: 73 cfs |
| 50th (Median) | Normal (median) | 430 | |
| 75th | High threshold | 712 | |
| 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 28, 2026 | — | 7.39 |
| May 27, 2026 | — | 7.58 |
| May 26, 2026 | — | 7.04 |
| May 25, 2026 | — | 7.61 |
| May 24, 2026 | — | 5.59 |
| May 23, 2026 | — | 7.41 |
| May 22, 2026 | — | 4.81 |
| May 21, 2026 | — | 4.74 |
| May 20, 2026 | — | 4.70 |
| May 19, 2026 | — | 4.17 |
| May 18, 2026 | — | 4.29 |
| May 17, 2026 | — | 4.71 |
| May 16, 2026 | — | 4.60 |
| May 15, 2026 | — | 4.57 |
| Apr 21, 2026 | — | 5.11 |
| Apr 20, 2026 | — | 5.93 |
| Apr 19, 2026 | — | 7.17 |
| Apr 18, 2026 | — | 7.59 |
| Apr 17, 2026 | — | 7.65 |
| Apr 16, 2026 | — | 7.70 |
| Apr 15, 2026 | — | 7.64 |
| Apr 14, 2026 | — | 7.71 |
| Apr 13, 2026 | — | 7.59 |
| Apr 12, 2026 | — | 7.72 |
| Apr 11, 2026 | — | 7.87 |
| Apr 10, 2026 | — | 7.79 |
| Apr 9, 2026 | — | 7.66 |
| Apr 8, 2026 | — | 7.75 |
| Apr 7, 2026 | — | 7.89 |
| Apr 6, 2026 | — | 7.32 |
Station Information
- USGS Site No
- 03131500
- State
- OH
- County
- Ashland County
- Coordinates
- 40.6359, -82.2393
- Drainage Area
- 349 mi²
- Datum (ft)
- 929.2
- HUC Code
- 05040002
Flood Stage Thresholds
- Action Stage
- 9.0 ft
- Flood Stage
- 10.0 ft
- Moderate Flood
- 11.0 ft
- Major Flood
- 15.0 ft
Currently 2.62 ft below flood stage.
Nearby Gauges
-
Clear Fork below Pleasant Hill Dam near Perrysville OHLow4.6 mi · 37 cfs
-
Lake Fork below Mohicanville Dam Near Mohicanville OHVery Low7.5 mi · 25 cfs
-
Black Fork Below Charles Mill Dam Near Mifflin OHLow9.6 mi · 10 cfs
-
Rocky Fork at Lucas OHLow10.3 mi · 102 cfs
-
Clear Fork Mohican River at Bellville OHLow14.3 mi · 14 cfs