Branched Oak Reservoir
Nebraska — Water Level & Flood Stage
Located in Lancaster County, Nebraska. Live water level data from USGS, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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This is an NWS forecast point (LID: RAYN1). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
1311.6 ft
Minor Flood
1291.01 ft
Action Stage
1285.88 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
1318.2 ft
This value represents the height of the dam.
1317.3 ft
This level represents the maximum surcharge elevation at this reservoir.
1311.6 ft
This level represents when water begins to flow over the spillway.
1291.01 ft
This level represents when 20-percent of the flood storage is being used.
1285.88 ft
This level represents when 5-percent of the flood storage is being used.
1284 ft
This level represents the beginning of the exclusive flood control pool.
1275 ft
This level represents the beginning of the conservation pool.
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 |
|---|---|---|
| Mar 13, 2019 | 1288.54 ft | — |
| Mar 13, 2019 | 1288.54 ft | — |
| Aug 25, 1987 | 1287.9 ft | -9,999 cfs |
| Aug 25, 1987 | 1287.9 ft | -9,999 cfs |
| May 7, 2015 | 1286 ft | -9,999 cfs |
About This Gauge
NWS LID
RAYN1
County
Lancaster, NE
Coordinates
40.9736°N, 96.8508°W
Get Flood Alerts for Branched Oak Reservoir
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 Branched Oak Reservoir?
The Branched Oak Reservoir gauge is maintained by USGS 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 Branched Oak Reservoir?
The NWS-defined flood stage for Branched Oak Reservoir is 1291.01 feet. Action stage begins at 1285.88 feet. Moderate flooding starts at N/A feet, and major flooding at 1311.6 feet.
How do I get alerts when this river rises?
Download StormCast free on Google Play, go to River Gauges, and add Branched Oak Reservoir 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 Branched Oak Reservoir gauge located?
The gauge is located in Lancaster County, Nebraska at coordinates 40.9736°N, 96.8508°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
On This River
More Resources
Source & Notes
Data provided by: the Army Corps of Engineers (SC18)
- Stage may be affected by ice.