Big Sandy River at Gasson Bridge, Near Eden, WY
USGS Site No: 09216050 • Big Sandy River • Sweetwater County, WY
Big Sandy River at Gasson Bridge, Near Eden, WY on the Big Sandy River is currently at 35 cfs (Low — 19th percentile for this date) . Gage height: 1.55 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 | 27 | |
| 25th | Low threshold | 41 | Today: 35 cfs |
| 50th (Median) | Normal (median) | 68 | |
| 75th | High threshold | 96 | |
| 95th | Very High threshold | 830 |
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 | 14 | — |
| May 27, 2026 | 14 | — |
| May 26, 2026 | 14 | — |
| May 25, 2026 | 15 | — |
| May 24, 2026 | 15 | — |
| May 23, 2026 | 16 | — |
| May 22, 2026 | 17 | — |
| May 21, 2026 | 16 | — |
| May 20, 2026 | 16 | — |
| May 19, 2026 | 16 | — |
| May 18, 2026 | 15 | — |
| May 17, 2026 | 14 | — |
| May 16, 2026 | 14 | — |
| May 15, 2026 | 14 | — |
| Apr 20, 2026 | 17 | — |
| Apr 19, 2026 | 17 | — |
| Apr 18, 2026 | 17 | — |
| Apr 17, 2026 | 17 | — |
| Apr 16, 2026 | 17 | — |
| Apr 15, 2026 | 18 | — |
| Apr 14, 2026 | 18 | — |
| Apr 13, 2026 | 18 | — |
| Apr 12, 2026 | 18 | — |
| Apr 11, 2026 | 18 | — |
| Apr 10, 2026 | 18 | — |
| Apr 9, 2026 | 18 | — |
| Apr 8, 2026 | 18 | — |
| Apr 7, 2026 | 19 | — |
| Apr 6, 2026 | 20 | — |
| Apr 5, 2026 | 20 | — |
Station Information
- USGS Site No
- 09216050
- State
- WY
- County
- Sweetwater County
- Coordinates
- 41.9474, -109.6882
- Drainage Area
- 1,485 mi²
- Datum (ft)
- 6,350.0
- HUC Code
- 140401040607
Recent Extremes
- Max discharge
-
116 cfsMar 2, 2026
- Min discharge
-
14 cfsMay 16, 2026
Computed from the local daily-values archive.
Nearby Gauges
-
Green River Below Fontenelle Reservoir, WYVery Low19.3 mi · 647 cfs
-
Blacks Fork Near Little America, WYVery Low27.7 mi · 56 cfs
-
Big Sandy River Near Farson, WYLow27.9 mi · 216 cfs
-
Green River Near LA Barge, WYVery Low29.7 mi · 1,310 cfs
-
Green River Near Green River, WYLow32.2 mi · 780 cfs