Minor Flood
6.5 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.
Action Stage
5 ft
What Floods at Each Level
11 ft
New Hampshire Avenue floods at the Hawlings River.
7.5 ft
Gold Mine Road floods at the Hawlings River.
6.5 ft
Brighton Dam Road floods at the Hawlings River.
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 |
|---|---|---|
| Jan 18, 1996 | 9.24 ft | 5,180 cfs |
| Sep 5, 1979 | 8.8 ft | 4,300 cfs |
| Jun 21, 2001 | 8.79 ft | 4,290 cfs |
About This Gauge
USGS Site
NWS LID
SANM2
River
Hawlings River
County
Montgomery, MD
Coordinates
39.1747°N, 77.0217°W
Get Flood Alerts for Hawlings 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 Hawlings River near Sandy Spring?
The Hawlings River near Sandy Spring gauge is maintained by USGS (site 01591700) 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 Hawlings River near Sandy Spring?
The NWS-defined flood stage for Hawlings River near Sandy Spring is 6.5 feet. Action stage begins at 5 feet. Moderate flooding starts at N/A feet, and major flooding at N/A feet.
How do I get alerts when Hawlings River rises?
Download StormCast free on Google Play, go to River Gauges, and add Hawlings River near Sandy Spring 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 Hawlings River near Sandy Spring gauge located?
The gauge is located in Montgomery County, Maryland at coordinates 39.1747°N, 77.0217°W. USGS site number: 01591700. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.