Williams Fork Below Williams Fork Reservoir, CO
USGS Site No: 09038500 • Williams Fork • Grand County, CO
Williams Fork Below Williams Fork Reservoir, CO on the Williams Fork is currently at 18 cfs (Very Low — 3th percentile for this date) . Gage height: 0.81 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 | 53 | Today: 18 cfs |
| 25th | Low threshold | 80 | |
| 50th (Median) | Normal (median) | 115 | |
| 75th | High threshold | 146 | |
| 95th | Very High threshold | 265 |
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 | 17 | — |
| May 27, 2026 | 19 | — |
| May 26, 2026 | 21 | — |
| May 25, 2026 | 21 | — |
| May 24, 2026 | 45 | — |
| May 23, 2026 | 79 | — |
| May 22, 2026 | 79 | — |
| May 21, 2026 | 51 | — |
| May 20, 2026 | 19 | — |
| May 19, 2026 | 19 | — |
| May 18, 2026 | 19 | — |
| May 17, 2026 | 19 | — |
| May 16, 2026 | 19 | — |
| May 15, 2026 | 19 | — |
| Apr 20, 2026 | 45 | — |
| Apr 19, 2026 | 45 | — |
| Apr 18, 2026 | 45 | — |
| Apr 17, 2026 | 45 | — |
| Apr 16, 2026 | 47 | — |
| Apr 15, 2026 | 77 | — |
| Apr 14, 2026 | 132 | — |
| Apr 13, 2026 | 134 | — |
| Apr 12, 2026 | 133 | — |
| Apr 11, 2026 | 133 | — |
| Apr 10, 2026 | 134 | — |
| Apr 9, 2026 | 132 | — |
| Apr 8, 2026 | 133 | — |
| Apr 7, 2026 | 58 | — |
| Apr 6, 2026 | 17 | — |
| Apr 5, 2026 | 17 | — |
Station Information
- USGS Site No
- 09038500
- State
- CO
- County
- Grand County
- Coordinates
- 40.0359, -106.2050
- Drainage Area
- 230 mi²
- Datum (ft)
- 7,616.5
- HUC Code
- 14010001
Flood Stage Thresholds
- Action Stage
- 6.0 ft
- Flood Stage
- 7.0 ft
- Moderate Flood
- 8.5 ft
- Major Flood
- 10.0 ft
Currently 6.19 ft below flood stage.
Recent Extremes
- Max discharge
-
424 cfsSep 2, 2025
- Min discharge
-
17 cfsApr 6, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Colorado River at Windy Gap, Near Granby, Co.Very High11.7 mi · 170 cfs
-
Colorado River Near Kremmling, COVery Low12.4 mi · 365 cfs
-
Blue River Below Green Mountain Reservoir, COVery Low12.7 mi · 62 cfs
-
Blue River Above Green Mountain Reservoir, Co.High14.1 mi · 217 cfs
- Unknown