RIVER GAUGE · BIG LOST RIVER
Big Lost River at Lincoln Bridge INL Complex
Butte County, Idaho
Water level12.73 ft
Flow—
Last readingSep 1, 2026, 5:00 PM UTC (last recorded)
Action14.5 ft268 cfs
Minor flood14.75 ft385 cfs
The past week
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What floods at each level
- 14.75 ft
or 340 cfs... Water flowing at this rate will proceed through INL all the way to the Big Lost River sinks near Howe. Minor flood conditions may appear from the INL Rest Area towards the Howe sinks.
- 14.5 ft
or 225 cfs... Water flowing at this rate will proceed through INL all the way to the Big Lost River sinks near Howe. If water is flowing during the winter, ice may begin to build up at bridge locations and along many stretches of the river from the ITD Big Lost River rest area through INL.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 16, 1997 | -9999 ft | 434 cfs |
More on Big Lost River
UpstreamBig Lost River near Arco
DownstreamBig Lost River above Abv Sinks nr Howe ↗
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