South Dakota Glacial Lakes at Blue Dog Lake
South Dakota — Water Level & Flood Stage
Located in Day County, South Dakota on the South Dakota Glacial Lakes. 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: BLUS2). Live data may be limited. View on NWS AHPS →
Flood Stages
Action Stage
1800.2 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
1800.2 ft
Lake outlet elevation
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 2, 2011 | 1805.8 ft | — |
| Jun 2, 2011 | 1805.8 ft | — |
| May 8, 2012 | 1804.52 ft | — |
| May 8, 2012 | 1804.52 ft | — |
| May 18, 2010 | 1804.45 ft | — |
About This Gauge
NWS LID
BLUS2
River
South Dakota Glacial Lakes
County
Day, SD
Coordinates
45.3411°N, 97.3172°W
Get Flood Alerts for South Dakota Glacial Lakes
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 South Dakota Glacial Lakes at Blue Dog Lake?
The South Dakota Glacial Lakes at Blue Dog Lake 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 South Dakota Glacial Lakes at Blue Dog Lake?
This gauge has NWS-defined flood categories. Check the flood stages section above for current thresholds.
How do I get alerts when South Dakota Glacial Lakes rises?
Download StormCast free on Google Play, go to River Gauges, and add South Dakota Glacial Lakes at Blue Dog Lake 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 South Dakota Glacial Lakes at Blue Dog Lake gauge located?
The gauge is located in Day County, South Dakota at coordinates 45.3411°N, 97.3172°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on South Dakota Glacial Lakes
More Resources
Source & Notes
- Stage measured manually and reported by river observer. No automated gauge on-site.