Major Flood
283 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: SMPM2). 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
281 ft
Minor Flood
280 ft
Action Stage
278 ft
What Floods at Each Level
283 ft
Carlinda Avenue begins to flood at its lowest point.
281 ft
Water approaches a residence in the Columbia area.
280 ft
Backyards and trails along the Little Patuxent River are flooded.
278 ft
Water exceeds the banks of the Little Patuxent River.
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 |
|---|---|---|
| May 27, 2018 | 284.53 ft | — |
| Jun 3, 2018 | 280.39 ft | — |
| Sep 7, 2011 | 280.23 ft | — |
About This Gauge
NWS LID
SMPM2
River
Little Patuxent River
County
Howard, MD
Coordinates
39.1811°N, 76.8522°W
Get Flood Alerts for Little Patuxent 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 Little Patuxent River at Allview?
The Little Patuxent River at Allview 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 Little Patuxent River at Allview?
The NWS-defined flood stage for Little Patuxent River at Allview is 280 feet. Action stage begins at 278 feet. Moderate flooding starts at 281 feet, and major flooding at 283 feet.
How do I get alerts when Little Patuxent River rises?
Download StormCast free on Google Play, go to River Gauges, and add Little Patuxent River at Allview 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 Patuxent River at Allview gauge located?
The gauge is located in Howard County, Maryland at coordinates 39.1811°N, 76.8522°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Little Patuxent River
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Source & Notes
- Stage may be affected by ice.