Black Vermillion River near Frankfort, KS
USGS Site No: 06885500 • Black Vermillion River • Marshall County, KS
Black Vermillion River near Frankfort, KS on the Black Vermillion River is currently at 95 cfs (Normal — 53th percentile for this date) . Gage height: 3.34 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 | 7 | |
| 25th | Low threshold | 27 | |
| 50th (Median) | Normal (median) | 83 | |
| 75th | High threshold | 201 | Today: 95 cfs |
| 95th | Very High threshold | 2,800 |
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 | 64 | 3.11 |
| May 27, 2026 | 69 | 3.14 |
| May 26, 2026 | 78 | 3.22 |
| May 25, 2026 | 90 | 3.30 |
| May 24, 2026 | 111 | 3.49 |
| May 23, 2026 | 145 | 3.81 |
| May 22, 2026 | 165 | 3.97 |
| May 21, 2026 | 211 | 4.34 |
| May 20, 2026 | 361 | 5.39 |
| May 19, 2026 | 2,600 | 12.37 |
| May 18, 2026 | 346 | 4.99 |
| May 16, 2026 | 42 | 2.93 |
| May 15, 2026 | 44 | 2.94 |
| Apr 20, 2026 | 113 | 3.44 |
| Apr 19, 2026 | 126 | 3.57 |
| Apr 18, 2026 | 151 | 3.79 |
| Apr 17, 2026 | 196 | 4.15 |
| Apr 16, 2026 | 268 | 4.69 |
| Apr 15, 2026 | 406 | 5.65 |
| Apr 14, 2026 | 642 | 7.03 |
| Apr 13, 2026 | 1,090 | 9.06 |
| Apr 12, 2026 | 5,140 | 18.51 |
| Apr 11, 2026 | 6,330 | 19.52 |
| Apr 10, 2026 | 954 | 8.12 |
| Apr 9, 2026 | 37 | 2.84 |
| Apr 8, 2026 | 34 | 2.81 |
| Apr 7, 2026 | 33 | 2.80 |
| Apr 6, 2026 | 34 | 2.81 |
| Apr 5, 2026 | 36 | 2.83 |
| Apr 4, 2026 | 41 | 2.86 |
Station Information
- USGS Site No
- 06885500
- State
- KS
- County
- Marshall County
- Coordinates
- 39.6819, -96.4428
- Drainage Area
- 410 mi²
- Datum (ft)
- 1,107.1
- HUC Code
- 10270205
Flood Stage Thresholds
- Action Stage
- 14.0 ft
- Flood Stage
- 19.0 ft
- Moderate Flood
- 27.5 ft
- Major Flood
- 40.5 ft
Currently 15.66 ft below flood stage.
Recent Extremes
- Max discharge
-
6,330 cfsApr 11, 2026
- Min discharge
-
16 cfsOct 4, 2025
- Days at flood stage
- 1
Computed from the local daily-values archive.
Nearby Gauges
-
Big Blue River at Marysville, KSLow16.1 mi · 392 cfs
-
L Blue River near Barnes, KSNormal19.5 mi · 443 cfs
-
Soldier Creek near Corning, KSVery High25.3 mi · 11 cfs
-
Turkey C near Seneca, KSNormal25.5 mi · 52 cfs
-
Vermillion C near Wamego, KSNormal26.0 mi · 31 cfs