StormCast — Weather & Emergency Alerts

Chiles Creek at Lake Hennessey
California — Water Level & Flood Stage

Located in Napa County, California on the Chiles Creek. 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: PVRC1). Live data may be limited. View on NWS AHPS →

Flood Stages

Major Flood

18 ft

Moderate Flood

14 ft

Minor Flood

12.75 ft

Action Stage

9 ft

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

What Floods at Each Level

18 ft

Major flood stage. Widespread inundation, including Chiles-Pope Valley Road at gaging site just downstream of Moore Creek Park and Moore Creek-Chiles Creek confluence.

14 ft

Moderate flood stage. Chiles-Pope Valley Road flooded upstream at bridge crossing. Moore Creek Park flooded or nearly flooded. NWS will issue a Flash Flood Warning if not yet already issued.

12.75 ft

Minor flood stage. Moore Creek Park likely flooded. Creek has likely backwatered above the Chiles-Pope Valley Road crossing. NWS may issue an urban/small stream advisory if not already issued.

9 ft

Monitor stage. Floodplain is now inundated, but impacts to life and property are minimal to non-existant. NWS may choose to issue a Flash Flood Watch if not yet already issued.

Impact statements from the National Weather Service, describing what typically happens at each water level.

7-Day Water Level Chart

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View Official NWS Hydrograph →

About This Gauge

NWS LID

PVRC1

River

Chiles Creek

County

Napa, CA

Coordinates

38.5081°N, 122.3544°W

Get Flood Alerts for Chiles Creek

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.

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Frequently Asked Questions

What is the current water level of Chiles Creek at Lake Hennessey?

The Chiles Creek at Lake Hennessey 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 Chiles Creek at Lake Hennessey?

The NWS-defined flood stage for Chiles Creek at Lake Hennessey is 12.75 feet. Action stage begins at 9 feet. Moderate flooding starts at 14 feet, and major flooding at 18 feet.

How do I get alerts when Chiles Creek rises?

Download StormCast free on Google Play, go to River Gauges, and add Chiles Creek at Lake Hennessey 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 Chiles Creek at Lake Hennessey gauge located?

The gauge is located in Napa County, California at coordinates 38.5081°N, 122.3544°W. Data is provided by the U.S. Geological Survey and the National Weather Service.

More Resources

Source & Notes

Data provided by: City of Napa