Sf Boise River at Anderson Ranch Dam ID
USGS Site No: 13190500 • Sf Boise River • Elmore County, ID
Sf Boise River at Anderson Ranch Dam ID on the Sf Boise River is currently at 1,980 cfs (Very High — 113th percentile for this date) . Gage height: 5.36 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 | 122 | |
| 25th | Low threshold | 279 | |
| 50th (Median) | Normal (median) | 303 | |
| 75th | High threshold | 329 | |
| 95th | Very High threshold | 695 |
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 | 1,650 | — |
| May 27, 2026 | 1,580 | — |
| May 26, 2026 | 1,580 | — |
| May 25, 2026 | 1,580 | — |
| May 24, 2026 | 1,580 | — |
| May 23, 2026 | 1,580 | — |
| May 22, 2026 | 1,580 | — |
| May 21, 2026 | 1,590 | — |
| May 20, 2026 | 1,750 | — |
| May 19, 2026 | 1,980 | — |
| May 18, 2026 | 2,340 | — |
| May 17, 2026 | 2,400 | — |
| May 16, 2026 | 2,410 | — |
| May 15, 2026 | 2,410 | — |
| Apr 20, 2026 | 312 | — |
| Apr 19, 2026 | 314 | — |
| Apr 18, 2026 | 314 | — |
| Apr 17, 2026 | 314 | — |
| Apr 16, 2026 | 314 | — |
| Apr 15, 2026 | 320 | — |
| Apr 14, 2026 | 314 | — |
| Apr 13, 2026 | 314 | — |
| Apr 12, 2026 | 311 | — |
| Apr 11, 2026 | 304 | — |
| Apr 10, 2026 | 304 | — |
| Apr 9, 2026 | 297 | — |
| Apr 8, 2026 | 290 | — |
| Apr 7, 2026 | 290 | — |
| Apr 6, 2026 | 290 | — |
| Apr 5, 2026 | 295 | — |
Station Information
- USGS Site No
- 13190500
- State
- ID
- County
- Elmore County
- Coordinates
- 43.3436, -115.4775
- Drainage Area
- 978 mi²
- Datum (ft)
- 3,833.1
- HUC Code
- 17050113
Recent Extremes
- Max discharge
-
2,530 cfsMay 8, 2025
- Min discharge
-
276 cfsOct 29, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Canyon Creek at Oregon Trail Xing near Mountain Home IDVery High12.7 mi · 48 cfs
-
Sf Boise River near Featherville IDVery High13.5 mi · 1,740 cfs
-
Sf Boise River at Neal Bridge near Arrowrock Dam IDVery High18.8 mi · 500 cfs
-
Boise River near Twin Springs IDVery High25.6 mi · 2,800 cfs
-
Snake River at King Hill IDVery Low27.4 mi · 6,390 cfs