Portneuf River at Pocatello ID
USGS Site No: 13075500 • Portneuf River. • Bannock County, ID
Portneuf River at Pocatello ID on the Portneuf River. is currently at 68 cfs (Very Low — 6th percentile for this date) . Gage height: 2.91 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 | 118 | Today: 68 cfs |
| 25th | Low threshold | 146 | |
| 50th (Median) | Normal (median) | 211 | |
| 75th | High threshold | 266 | |
| 95th | Very High threshold | 381 |
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 | 72 | — |
| May 27, 2026 | 77 | — |
| May 26, 2026 | 68 | — |
| May 25, 2026 | 64 | — |
| May 24, 2026 | 69 | — |
| May 23, 2026 | 70 | — |
| May 22, 2026 | 76 | — |
| May 20, 2026 | 76 | — |
| May 19, 2026 | 76 | — |
| May 18, 2026 | 77 | — |
| May 17, 2026 | 75 | — |
| May 16, 2026 | 73 | — |
| May 15, 2026 | 76 | — |
| Apr 20, 2026 | 198 | — |
| Apr 19, 2026 | 206 | — |
| Apr 18, 2026 | 218 | — |
| Apr 17, 2026 | 217 | — |
| Apr 16, 2026 | 206 | — |
| Apr 15, 2026 | 227 | — |
| Apr 14, 2026 | 235 | — |
| Apr 13, 2026 | 240 | — |
| Apr 12, 2026 | 236 | — |
| Apr 11, 2026 | 237 | — |
| Apr 10, 2026 | 242 | — |
| Apr 9, 2026 | 244 | — |
| Apr 8, 2026 | 247 | — |
| Apr 7, 2026 | 251 | — |
| Apr 6, 2026 | 256 | — |
| Apr 5, 2026 | 267 | — |
| Apr 4, 2026 | 275 | — |
Station Information
- USGS Site No
- 13075500
- State
- ID
- County
- Bannock County
- Coordinates
- 42.8717, -112.4681
- Drainage Area
- 1,256 mi²
- Datum (ft)
- 4,421.5
- HUC Code
- 17040208
Flood Stage Thresholds
- Action Stage
- 8.0 ft
- Flood Stage
- 8.5 ft
- Moderate Flood
- 10.0 ft
- Major Flood
- 11.0 ft
Currently 5.59 ft below flood stage.
Recent Extremes
- Max discharge
-
461 cfsApr 23, 2025
- Min discharge
-
36 cfsAug 24, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Portneuf River near Tyhee IDVery Low6.4 mi · 165 cfs
-
Portneuf River. at Inkom, IDUnknown12.3 mi · 47 cfs
-
Spring Creek at Sheepskin Road near Fort Hall IDNormal12.5 mi · 328 cfs
-
Snake River near Blackfoot IDNormal17.7 mi · 3,160 cfs
-
Blackfoot River And Bypass Channel near Blackfoot IDVery Low17.9 mi · 25 cfs