Major Flood
15 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: OMBN7). 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
14 ft
Minor Flood
13 ft
Action Stage
9 ft
What Floods at Each Level
15 ft
Major flooding begins. US Highway 421 and the northbound ramp between US Highway 701 and US Highway 421 may be impassable. Flood waters impact the Water Treatment Plant at the gage site.
14 ft
Moderate flooding begins. Water begins to flood the northbound ramp between US Highway 701 and US Highway 421.
13 ft
Minor flooding begins. Water overflows the natural banks upstream of the gage near McKoy St.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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About This Gauge
NWS LID
OMBN7
River
Williams Old Mill Branch
County
Sampson, NC
Coordinates
35.0082°N, 78.3411°W
Get Flood Alerts for Williams Old Mill Branch
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 Williams Old Mill Branch at US 421?
The Williams Old Mill Branch at US 421 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 Williams Old Mill Branch at US 421?
The NWS-defined flood stage for Williams Old Mill Branch at US 421 is 13 feet. Action stage begins at 9 feet. Moderate flooding starts at 14 feet, and major flooding at 15 feet.
How do I get alerts when Williams Old Mill Branch rises?
Download StormCast free on Google Play, go to River Gauges, and add Williams Old Mill Branch at US 421 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 Williams Old Mill Branch at US 421 gauge located?
The gauge is located in Sampson County, North Carolina at coordinates 35.0082°N, 78.3411°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: NCEM