Bill Williams River Below Alamo Dam, AZ
USGS Site No: 09426000 • Bill Williams River • La Paz County, AZ
Bill Williams River Below Alamo Dam, AZ on the Bill Williams River is currently at 31 cfs (Normal — 59th percentile for this date) . Gage height: 12.25 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 | 1 | |
| 25th | Low threshold | 11 | |
| 50th (Median) | Normal (median) | 25 | |
| 75th | High threshold | 43 | Today: 31 cfs |
| 95th | Very High threshold | 373 |
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 | 30 | — |
| May 27, 2026 | 31 | — |
| May 26, 2026 | 32 | — |
| May 25, 2026 | 32 | — |
| May 24, 2026 | 33 | — |
| May 23, 2026 | 34 | — |
| May 22, 2026 | 33 | — |
| May 21, 2026 | 33 | — |
| May 20, 2026 | 35 | — |
| May 19, 2026 | 36 | — |
| May 18, 2026 | 35 | — |
| May 17, 2026 | 37 | — |
| May 16, 2026 | 39 | — |
| May 15, 2026 | 40 | — |
| Apr 20, 2026 | 28 | — |
| Apr 19, 2026 | 28 | — |
| Apr 18, 2026 | 28 | — |
| Apr 17, 2026 | 27 | — |
| Apr 16, 2026 | 27 | — |
| Apr 15, 2026 | 27 | — |
| Apr 14, 2026 | 27 | — |
| Apr 13, 2026 | 27 | — |
| Apr 12, 2026 | 27 | — |
| Apr 11, 2026 | 27 | — |
| Apr 10, 2026 | 27 | — |
| Apr 9, 2026 | 28 | — |
| Apr 8, 2026 | 28 | — |
| Apr 7, 2026 | 28 | — |
| Apr 6, 2026 | 28 | — |
| Apr 5, 2026 | 28 | — |
Station Information
- USGS Site No
- 09426000
- State
- AZ
- County
- La Paz County
- Coordinates
- 34.2311, -113.6099
- Drainage Area
- 4,633 mi²
- Datum (ft)
- 954.1
- HUC Code
- 15030204
Flood Stage Thresholds
- Action Stage
- 1,235.0 ft
- Flood Stage
- 1,235.0 ft
- Major Flood
- 1,265.0 ft
Currently 1,222.75 ft below flood stage.
Recent Extremes
- Max discharge
-
181 cfsApr 28, 2025
- Min discharge
-
0 cfsJan 26, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Santa Maria River Near Bagdad, AZHigh15.9 mi · 1 cfs
-
Big Sandy River Near Wikieup, AZNormal16.0 mi · 3 cfs
-
Burro Creek at Old Us 93 Bridge, Near Bagdad, AZNormal22.8 mi · 0 cfs
-
Bill Williams River Near Parker, AZNormal24.0 mi · 1 cfs
- Unknown