Major Flood
16 ft
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
11 ft
Minor Flood
9 ft
Action Stage
7 ft
What Floods at Each Level
15 ft
Significant flooding continues to expand further into the woodlands upstream and downstream from the river gage at New Hope Road. The bridge forms an obstacle and acts like a dam causing some backwater and erosion eddies to the sides of the bridge. The flood water will be around one foot deep over the road and county officials will have the bridge closed. The high water will likely affect the performance of the USGS gaging equipment near the bridge.
14 ft
Significant flooding continues to expand further into the woodlands upstream and downstream from the river gage at New Hope Road. The bridge forms an obstacle and acts like a dam causing some backwater and erosion eddies to the sides of the bridge. The water will begin to flood the road and county officials will likely close the bridge. Also the water level reaches the bottom of the USGS gaging equipment near the bridge.
13 ft
Significant flooding continues to expand further into the woodlands upstream and downstream from the river gauge at New Hope Road. The bridge forms an obstacle and acts like a dam causing some backwater and erosion eddies to the sides of the bridge. County officials may need to close the bridge.
12 ft
Significant flooding expands further into the woodlands upstream and downstream from the river gauge at New Hope Road. The bridge begins to form an obstacle and act like a dam causing some backwater and erosion eddies to the sides of the bridge. County officials may need to close the bridge.
11 ft
Moderate flooding begins. Significant flooding expands further into the woodlands upstream and downstream from the river gauge at New Hope Road. The water level reaches the bottom of the bridge. County officials may need to close the bridge due to erosion to the banks on the sides of the bridge.
10 ft
Minor flooding continues to expand further into the woodlands upstream and downstream from the river gauge at New Hope Road.
9 ft
Flood stage is reached. Minor flooding begins of the woodlands upstream and downstream from the river gauge at New Hope Road.
7 ft
Bankfull conditions are reached upstream and downstream from the river gauge at New Hope Road.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jun 16, 2003 | 14.93 ft | 8,630 cfs |
| Sep 21, 2009 | 13.85 ft | 6,470 cfs |
| Apr 19, 2019 | 13.64 ft | 6,073 cfs |
About This Gauge
Get Flood Alerts for Alcovy River
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 Alcovy River at New Hope Road near Grayson?
The Alcovy River at New Hope Road near Grayson gauge is maintained by USGS (site 02208150) 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 Alcovy River at New Hope Road near Grayson?
The NWS-defined flood stage for Alcovy River at New Hope Road near Grayson is 9 feet. Action stage begins at 7 feet. Moderate flooding starts at 11 feet, and major flooding at 16 feet.
How do I get alerts when Alcovy River rises?
Download StormCast free on Google Play, go to River Gauges, and add Alcovy River at New Hope Road near Grayson 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 Alcovy River at New Hope Road near Grayson gauge located?
The gauge is located in Gwinnett County, Georgia at coordinates 33.9169°N, 83.8881°W. USGS site number: 02208150. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Alcovy River
On This River
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Automated gauge readings are now available, courtesy of the USGS.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.