Minor Flood
9 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Action Stage
8.5 ft
What Floods at Each Level
12 ft
Major flooding will occur near Shoshone in Lincoln County and in the city of Gooding in Gooding County. The flooding will come from both the Big Wood and Little Wood Rivers with water crossing over land from the Big Wood River into the Little Wood River. Highway 75 in Lincoln County will be flooded where it crosses the Big Wood River. The Big and Little Wood Rivers will flood Highway 46 in Gooding County.
11 ft
Water will spill from the Big Wood River over land upstream from Shoshone and enter the Little Wood River causing flooding in Lincoln and Gooding Counties on the Little Wood River. Floodwater will also spill over portions of the Highway 75 and Highway 46 where they cross the Big Wood River in Lincoln and Gooding Counties.
10.5 ft
Water will reach the level of Highway 75 in Lincoln County and Highway 46 in Gooding County. Water will reach a stage of 9.0 feet at the Highway 46 bridge about 24 hours after exceeding a stage of 10.5 feet just below Magic Reservoir. Water will also spill from the Big Wood Channel over land through Cottonwood Slough and enter the Little Wood River upstream from Shoshone. Water will pond behind the railroad embankment near Shoshone.
9.5 ft
Floodwater will spread downstream from Magic Reservoir along the banks of the Big Wood River in Lincoln and Gooding Counties. Floodwater will be about 1 foot below the surface of Highway 75 and Highway 46. Water levels between 8.0 and 8.5 feet will occur at the Highway 46 bridge north of Gooding about 24 hours after discharge reaches 5300 cfs at Magic Reservoir, with minor flooding occurring upstream from the bridge. This will be similar to the flooding, which occurred in 2006.
9 ft
Floodwater will spread downstream from Magic Reservoir along the banks of the Big Wood River in Lincoln and Gooding Counties. Floodwater will be about 1 foot below the surface of Highway 75 and Highway 46. Water levels between 8.0 and 8.5 feet will occur at the Highway 46 bridge north of Gooding about 24 hours after discharge reaches 4669 cfs at Magic Reservoir, with minor flooding occurring upstream from the bridge. This will be similar to the flooding, which occurred in 2006.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Apr 25, 1952 | 15.68 ft | 10,000 cfs |
| Apr 12, 1943 | 13.31 ft | 7,160 cfs |
| Mar 30, 2017 | 11.89 ft | 7,620 cfs |
About This Gauge
USGS Site
NWS LID
BWMI1
River
Big Wood River
County
Blaine, ID
Coordinates
43.2481°N, 114.3566°W
Get Flood Alerts for Big Wood River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Big Wood River below Magic Dam?
The Big Wood River below Magic Dam gauge is maintained by USGS (site 13142500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Big Wood River below Magic Dam?
The NWS-defined flood stage for Big Wood River below Magic Dam is 9 feet. Action stage begins at 8.5 feet. Moderate flooding starts at N/A feet, and major flooding at N/A feet.
How do I get alerts when Big Wood River rises?
Download StormCast free on Google Play, go to River Gauges, and add Big Wood River below Magic Dam to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Big Wood River below Magic Dam gauge located?
The gauge is located in Blaine County, Idaho at coordinates 43.2481°N, 114.3566°W. USGS site number: 13142500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Big Wood River
On This River
Upstream: Eastern Idaho Reservoirs at Magic Dam
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice during winter months.