Major Flood
7 ft
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: NCDV2). Live data may be limited. View on NWS AHPS →
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
5 ft
Minor Flood
3.5 ft
Action Stage
3 ft
What Floods at Each Level
6.5 ft
Widespread shoreline inundation is occurring, with water reaching structures on both sides of the river. Cobb Island is cut off from the mainland. Numerous roads and buildings are affected.
5 ft
Water is expected to cover yards and docks in Dahlgren and on Cobb Island. A half foot of water covers Cobb Island Road/State Route 254, severely limiting the ability to traverse from Cobb Island to the mainland. Also water approaches structures near Cobb Island.
3.5 ft
Water is expected to reach yards near Cobb Island and docks near Dahlgren.
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 |
|---|---|---|
| Oct 28, 2021 | 5.64 ft | — |
| Sep 10, 2018 | 4.99 ft | — |
| Sep 9, 2018 | 4.92 ft | — |
About This Gauge
NWS LID
NCDV2
River
Upper Machodoc Creek
County
King George, VA
Coordinates
38.3197°N, 77.0367°W
Get Flood Alerts for Upper Machodoc 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.
Frequently Asked Questions
What is the current water level of Upper Machodoc Creek near Dahlgren (IN MLLW)?
The Upper Machodoc Creek near Dahlgren (IN MLLW) 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 Upper Machodoc Creek near Dahlgren (IN MLLW)?
The NWS-defined flood stage for Upper Machodoc Creek near Dahlgren (IN MLLW) is 3.5 feet. Action stage begins at 3 feet. Moderate flooding starts at 5 feet, and major flooding at 7 feet.
How do I get alerts when Upper Machodoc Creek rises?
Download StormCast free on Google Play, go to River Gauges, and add Upper Machodoc Creek near Dahlgren (IN MLLW) to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Upper Machodoc Creek near Dahlgren (IN MLLW) gauge located?
The gauge is located in King George County, Virginia at coordinates 38.3197°N, 77.0367°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: National Ocean Service
- <head> <meta charset="utf-8"> <style type="text/css"> .style1 { background-color: #FFFF00; } </style> </head> Please refer to <a href="https://forecast.weather.gov/product.php?site=NWS&issuedby=LWX&product=CFW&format=CI&version=1&glossary=1"><font color="#0000ff"><span class="style1">Coastal Flood Advisories and Warnings</span></font></a> for official water level forecasts during periods of coastal flooding. During tropical cyclones, please refer<span class="style1"> </span> <span class="style1"> <a href="https://forecast.weather.gov/product.php?site=NWS&issuedby=lwx&product=TCV&format=CI&version=1&glossary=1">here</a></span> for additional storm surge information.
- Stage may be affected by ice.