Kootenai River

Streamflow Hydrology Weather


Kootenai River Levels

May 2 2024

99,789 ACRE-FT

Discharge Volume Today
-2050.0 cfs (-3.92%) since yesterday
86.99% of Normal 5 Streamgauges

Total streamflow across the Kootenai River was last observed at 50,310 cfs, and is expected to yield approximately 99,789 acre-ft of water today; about 87% of normal. Average streamflow for this time of year is 57,835 cfs, with recent peaks last observed on 2023-05-19 when daily discharge volume was observed at 119,800 cfs.

Maximum discharge along the river is currently at the Kootenai River @ Tribal Hatchery Nr Bonners Ferry reporting a streamflow rate of 15,700 cfs. However, the streamgauge with the highest stage along the river is the Kootenai River Bel Moyie River Nr Bonners Ferry Id with a gauge stage of 74.1 ft. This river is monitored from 5 different streamgauging stations along the Kootenai River, the highest being situated at an altitude of 2,121 ft, the Kootenai River Bl Libby Dam Nr Libby Mt.

Last Updated 2024-05-02
Streamflow 50,310.0 cfs
Percent of Normal 86.99%
Maximum 119,800.0 cfs
2023-05-19

About the kootenai river


The Kootenai River is a 485-mile long waterway that flows from British Columbia, Canada, into Montana, USA. Historically, the river was used by indigenous tribes for fishing, trading, and transportation. Today, the Kootenai River is an important source of hydroelectric power with several dams and reservoirs along its course, including the Libby Dam, which creates the 90-mile-long Lake Koocanusa. The river and its tributaries are also used for irrigation, supporting agriculture in the region. Recreational activities such as fishing, boating, and camping are popular along the river, particularly in the Kootenai National Wildlife Refuge. The Kootenai River is also known for its scenic beauty, with steep canyons, waterfalls, and abundant wildlife.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Kootenai River Bl Libby Dam Nr Libby Mt
USGS 12301933
8110 cfs 19.53 ft -0.61
Kootenai River At Leonia Id
USGS 12305000
12200 cfs 14.04 ft -2.4
Kootenai River Bel Moyie River Nr Bonners Ferry Id
USGS 12308000
14300 cfs 74.1 ft -3.38
Kootenai River @ Tribal Hatchery Nr Bonners Ferry
USGS 12310100
15700 cfs 52.13 ft -0.63
Kootenai River At Porthill Id
USGS 12322000
15700 cfs 42.27 ft -7.1

Peak Annual Discharge

Kootenai River Maximum Total Discharge

Seasonal Comparison

Kootenai River Year Over Year Discharge


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