East Nishnabotna River at Red Oak
Iowa — Water Level & Flood Stage
Located in Montgomery County, Iowa on the East Nishnabotna River. Live water level data from USGS gauge 06809500, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
27 ft
Moderate Flood
22 ft
Minor Flood
18 ft
Action Stage
16 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
37 ft
Water begins to flow over the Coolbaugh Street bridge at the gage site.
36 ft
Water nears the top of the federal levee protecting Red Oak.
30 ft
Water approaches the bottom of the bridge at Coolbaugh Street.
29.5 ft
The airport begins to flood.
28.5 ft
West Coolbaugh Street begins to flood.
27 ft
200th Street, also known as H34, begins to flood east of the airport.
25 ft
Highway 34 west of Broadway Street begins to flood.
22 ft
Buildings between G Avenue and the river begin to flood. Also G Avenue is likely closed due to flooding.
20 ft
Lowland flooding begins along the west bank.
18 ft
Rural lowlands begin to flood along the east bank.
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 |
|---|---|---|
| Jun 14, 1998 | 29.39 ft | 60,500 cfs |
| Jun 14, 1998 | 29.39 ft | 60,500 cfs |
| Jun 12, 1947 | 28.23 ft | 36,200 cfs |
| Jun 12, 1947 | 28.23 ft | 36,200 cfs |
| Sep 12, 1972 | 27.43 ft | 38,000 cfs |
About This Gauge
USGS Site
NWS LID
RDOI4
River
East Nishnabotna River
County
Montgomery, IA
Coordinates
41.0089°N, 95.2424°W
Get Flood Alerts for East Nishnabotna 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 East Nishnabotna River at Red Oak?
The East Nishnabotna River at Red Oak gauge is maintained by USGS (site 06809500) 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 East Nishnabotna River at Red Oak?
The NWS-defined flood stage for East Nishnabotna River at Red Oak is 18 feet. Action stage begins at 16 feet. Moderate flooding starts at 22 feet, and major flooding at 27 feet.
How do I get alerts when East Nishnabotna River rises?
Download StormCast free on Google Play, go to River Gauges, and add East Nishnabotna River at Red Oak to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the East Nishnabotna River at Red Oak gauge located?
The gauge is located in Montgomery County, Iowa at coordinates 41.0089°N, 95.2424°W. USGS site number: 06809500. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Observations courtesy of the USGS
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
- Stage may be affected by ice.