USGS Streamgage 12309500
Kootenai River at Bonners Ferry, ID
Kootenai River at Bonners Ferry, ID is USGS streamgage 12309500 in Idaho, monitoring river discharge in hydrologic subbasin 17010104. It sits on the Kootenai River, alongside 4 other gauges Rivermatics tracks on the same river. It drains a watershed of about 12,690 square miles. Discharge records at this site go back to 1894.
Gauge details
- State
- Idaho
- Drainage area
- 12,690 sq mi
- Gauge elevation
- 1,781 ft
- Subbasin (HUC-8)
- 17010104
- Coordinates
- 48.69806, -116.3125
- USGS site number
- 12309500
- Records begin
- 1894-06-01 (132 years)
Common questions
- How long has Kootenai River at Bonners Ferry, ID been measured?
- Discharge records at USGS site 12309500 begin in 1894, about 132 years, covering roughly 5,419 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Kootenai River at Bonners Ferry, ID?
- The gauge sits at 48.69806, -116.3125, in Idaho, in hydrologic subbasin 17010104, at an elevation of about 1,781 feet, draining roughly 12,690 square miles.
- Can I use Kootenai River at Bonners Ferry, ID data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the Kootenai River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Kootenai River in full.
- Kootenai River below Libby Dam near Libby, MT 8,999 sq mi
- Kootenai River at Leonia, ID 11,740 sq mi
- Kootenai River at Bonners Ferry, ID this page
- Kootenai River at Porthill, ID 13,700 sq mi
- Kootenai River at Porthill Id Total Flow 13,700 sq mi