Gwynns Falls at Glyndon
Maryland — Water Level & Flood Stage
Located in Baltimore County, Maryland on the Gwynns Falls. Live water level data from USGS gauge 01589180, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Minor Flood
5 ft
Action Stage
3.75 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
5 ft
Water is in neighborhood yards near the gauge site, and approaches both Chatsworth Avenue and Wabash Avenue.
3.75 ft
Water approaches a footbridge near the gauge location.
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 |
|---|---|---|
| Sep 6, 2011 | 3.75 ft | 323 cfs |
| Sep 6, 2011 | 3.75 ft | 323 cfs |
About This Gauge
USGS Site
NWS LID
GLGM2
River
Gwynns Falls
County
Baltimore, MD
Coordinates
39.4717°N, 76.8169°W
Get Flood Alerts for Gwynns Falls
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 Gwynns Falls at Glyndon?
The Gwynns Falls at Glyndon gauge is maintained by USGS (site 01589180) 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 Gwynns Falls at Glyndon?
The NWS-defined flood stage for Gwynns Falls at Glyndon is 5 feet. Action stage begins at 3.75 feet. Moderate flooding starts at N/A feet, and major flooding at N/A feet.
How do I get alerts when Gwynns Falls rises?
Download StormCast free on Google Play, go to River Gauges, and add Gwynns Falls at Glyndon 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 Gwynns Falls at Glyndon gauge located?
The gauge is located in Baltimore County, Maryland at coordinates 39.4717°N, 76.8169°W. USGS site number: 01589180. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Gwynns Falls
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.