Kootenai River at Leonia, ID
USGS Site No: 12305000 • Kootenai River • Boundary County, ID
Kootenai River at Leonia, ID on the Kootenai River is currently at 29,800 cfs (High — 76th percentile for this date) . Gage height: 19.27 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 | 6,300 | |
| 25th | Low threshold | 11,900 | |
| 50th (Median) | Normal (median) | 19,200 | |
| 75th | High threshold | 29,500 | |
| 95th | Very High threshold | 40,600 | Today: 29,800 cfs |
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 | 29,600 | 19.22 |
| May 27, 2026 | 29,300 | 19.15 |
| May 26, 2026 | 25,700 | 18.12 |
| May 25, 2026 | 14,200 | 14.74 |
| May 24, 2026 | 14,000 | 14.67 |
| May 23, 2026 | 13,900 | 14.63 |
| May 22, 2026 | 13,900 | 14.63 |
| May 21, 2026 | 14,100 | 14.68 |
| May 20, 2026 | 14,200 | 14.73 |
| May 19, 2026 | 14,200 | 14.73 |
| May 18, 2026 | 14,500 | 14.84 |
| May 17, 2026 | 15,000 | 14.99 |
| May 16, 2026 | 15,500 | 15.15 |
| May 15, 2026 | 16,400 | 15.45 |
| Apr 20, 2026 | 24,100 | 17.75 |
| Apr 19, 2026 | 24,200 | 17.76 |
| Apr 18, 2026 | 24,300 | 17.80 |
| Apr 17, 2026 | 24,700 | 17.91 |
| Apr 16, 2026 | 25,200 | 18.04 |
| Apr 15, 2026 | 25,500 | 18.14 |
| Apr 14, 2026 | 25,500 | 18.13 |
| Apr 13, 2026 | 25,300 | 18.08 |
| Apr 12, 2026 | 24,900 | 17.97 |
| Apr 11, 2026 | 24,500 | 17.86 |
| Apr 10, 2026 | 24,500 | 17.85 |
| Apr 9, 2026 | 24,600 | 17.89 |
| Apr 8, 2026 | 24,800 | 17.95 |
| Apr 7, 2026 | 24,500 | 17.84 |
| Apr 6, 2026 | 24,200 | 17.78 |
| Apr 5, 2026 | 24,400 | 17.83 |
Station Information
- USGS Site No
- 12305000
- State
- ID
- County
- Boundary County
- Coordinates
- 48.6169, -116.0492
- Drainage Area
- 11,740 mi²
- Datum (ft)
- 1,794.8
- HUC Code
- 17010104
Recent Extremes
- Max discharge
-
46,900 cfsDec 11, 2025
- Min discharge
-
4,330 cfsOct 11, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Yaak River Near Troy MountNormal5.3 mi · 1,770 cfs
-
Kootenai River Bel Moyie River near Bonners Ferry IDNormal8.8 mi · 31,000 cfs
-
Kootenai River Tribal Hatchery near Bonners FerryVery Low15.9 mi · 5,070 cfs
-
Pack River near Colburn IDUnknown24.8 mi · 0 cfs
-
Moyie River at Eastport IDNormal27.1 mi · 2,090 cfs