Ralston Creek (CO) at Arvada
Colorado — Water Level & Flood Stage
Located in Jefferson County, Colorado on the Ralston Creek (CO). 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: CRPC2). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
5.5 ft
Moderate Flood
5 ft
Minor Flood
4.5 ft
700 cfs
Action Stage
3.5 ft
210 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
8 ft
HOUSES IN WESTWOODS NEIGHBORHOOD FLOODED
6.5 ft
OUTBUILDING IN WESTWOODS NEIGHBORHOOD FLOODED
5.5 ft
BRIDGES DOWNSTREAM ON RALSTON CREEK FLOODED
4.5 ft
CANAL WALL OVERTOPPED.
3.5 ft
OVERFLOW BANKS INTO MEADOWS.
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 4, 1995 | 3.4 ft | 200 cfs |
| Jun 4, 1995 | 3.4 ft | 200 cfs |
About This Gauge
NWS LID
CRPC2
River
Ralston Creek (CO)
County
Jefferson, CO
Coordinates
39.8200°N, 105.1733°W
Get Flood Alerts for Ralston Creek (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 Ralston Creek (CO) at Arvada?
The Ralston Creek (CO) at Arvada 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 Ralston Creek (CO) at Arvada?
The NWS-defined flood stage for Ralston Creek (CO) at Arvada is 4.5 feet. Action stage begins at 3.5 feet. Moderate flooding starts at 5 feet, and major flooding at 5.5 feet.
How do I get alerts when Ralston Creek (CO) rises?
Download StormCast free on Google Play, go to River Gauges, and add Ralston Creek (CO) at Arvada 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 Ralston Creek (CO) at Arvada gauge located?
The gauge is located in Jefferson County, Colorado at coordinates 39.8200°N, 105.1733°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: Mile High Flood District
- Stage data may not be available during winter months.