Major Flood
14 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
10 ft
Minor Flood
8.5 ft
Action Stage
7 ft
What Floods at Each Level
14 ft
Significant flooding is occurring along Little Falls, with several roads and structures flooded.
10 ft
Water covers Big Falls Road at Little Falls and approaches a nearby building.
8.5 ft
Water approaches a driveway and home off Wiseburg Road.
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 |
|---|---|---|
| Jun 21, 1972 | 18.54 ft | 8,280 cfs |
| Sep 25, 1975 | 15.29 ft | 6,840 cfs |
| Sep 5, 1979 | 14.6 ft | 6,470 cfs |
About This Gauge
USGS Site
NWS LID
BLMM2
River
Little Falls
County
Baltimore, MD
Coordinates
39.6042°N, 76.6206°W
Get Flood Alerts for Little 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 Little Falls at Blue Mount?
The Little Falls at Blue Mount gauge is maintained by USGS (site 01582000) 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 Little Falls at Blue Mount?
The NWS-defined flood stage for Little Falls at Blue Mount is 8.5 feet. Action stage begins at 7 feet. Moderate flooding starts at 10 feet, and major flooding at 14 feet.
How do I get alerts when Little Falls rises?
Download StormCast free on Google Play, go to River Gauges, and add Little Falls at Blue Mount 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 Little Falls at Blue Mount gauge located?
The gauge is located in Baltimore County, Maryland at coordinates 39.6042°N, 76.6206°W. USGS site number: 01582000. 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.