Blue River (CO) below Dillon
Colorado — Water Level & Flood Stage
Located in Summit County, Colorado on the Blue River (CO). Live water level data from USGS gauge 09050700, 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
7 ft
Moderate Flood
5.5 ft
Minor Flood
4 ft
2,002 cfs
Action Stage
3.5 ft
1,561 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
7 ft
Widespread, major flooding occurs with several bridges overtopped downstream of Dillon Dam. Many roads, homes and businesses are impacted.
6.5 ft
Water flows over the 6th Street bridge and into businesses in Silverthorne.
6 ft
Colorado Highway 9 is overtopped near Silverthorne.
5 ft
Homes flood along the Blue River in Silverthorne.
4 ft
Homes flood in the South 40 Subdivision in northern Silverthorne.
3.7 ft
Water approaches yards in the South 40 Subdivision in northern Silverthorne and walkways along the Blue River in Silverthorne.
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 21, 1983 | 3.95 ft | 1,990 cfs |
| Jun 21, 1983 | 3.95 ft | 1,990 cfs |
| Jul 5, 2019 | 3.89 ft | 1,910 cfs |
| Jul 5, 2019 | 3.89 ft | 1,910 cfs |
| May 24, 1984 | 3.88 ft | 2,010 cfs |
About This Gauge
USGS Site
NWS LID
BLRC2
River
Blue River (CO)
County
Summit, CO
Coordinates
39.6256°N, 106.0658°W
Get Flood Alerts for Blue River (CO)
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 Blue River (CO) below Dillon?
The Blue River (CO) below Dillon gauge is maintained by USGS (site 09050700) 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 Blue River (CO) below Dillon?
The NWS-defined flood stage for Blue River (CO) below Dillon is 4 feet. Action stage begins at 3.5 feet. Moderate flooding starts at 5.5 feet, and major flooding at 7 feet.
How do I get alerts when Blue River (CO) rises?
Download StormCast free on Google Play, go to River Gauges, and add Blue River (CO) below Dillon 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 Blue River (CO) below Dillon gauge located?
The gauge is located in Summit County, Colorado at coordinates 39.6256°N, 106.0658°W. USGS site number: 09050700. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: U.S. Geological Survey, Observations courtesy of U.S. Geological Survey
- Gauge reading affected by reservoir operations.
- Stage may be affected by ice during winter months.