Patuxent River at Solomons Island (IN MLLW)
Maryland — Water Level & Flood Stage
Located in Calvert County, Maryland on the Patuxent River. Live water level data from USGS, updated every 15 minutes.
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: SLIM2). Live data may be limited. View on NWS AHPS →
Flood Stages
Major Flood
5 ft
Moderate Flood
4 ft
Minor Flood
3 ft
Action Stage
2.5 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
3 ft
Parking lots near Charles Street in Solomons begin to flood, with several inches of water covering portions of both Charles Street and Williams Street.
2.8 ft
Water begins to cover Charles Street and Williams Street in Solomons Island.
2.5 ft
Under certain conditions, water may begin to pool near storm drains between 2.5 and 2.7 feet on the Solomons Island gauge, but impacts are minimal.
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 |
|---|---|---|
| Oct 28, 2021 | 4.82 ft | — |
| Oct 28, 2021 | 4.82 ft | — |
| Sep 18, 2003 | 4.45 ft | — |
| Sep 18, 2003 | 4.45 ft | — |
| Aug 31, 2006 | 4.41 ft | — |
About This Gauge
NWS LID
SLIM2
River
Patuxent River
County
Calvert, MD
Coordinates
38.3200°N, 76.4500°W
Get Flood Alerts for 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 Patuxent River at Solomons Island (IN MLLW)?
The Patuxent River at Solomons Island (IN MLLW) 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 Patuxent River at Solomons Island (IN MLLW)?
The NWS-defined flood stage for Patuxent River at Solomons Island (IN MLLW) is 3 feet. Action stage begins at 2.5 feet. Moderate flooding starts at 4 feet, and major flooding at 5 feet.
How do I get alerts when Patuxent River rises?
Download StormCast free on Google Play, go to River Gauges, and add Patuxent River at Solomons Island (IN MLLW) 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 Patuxent River at Solomons Island (IN MLLW) gauge located?
The gauge is located in Calvert County, Maryland at coordinates 38.3200°N, 76.4500°W. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: National Ocean Service
- <head> <meta charset="utf-8"> <style type="text/css"> .style1 { background-color: #FFFF00; } </style> </head> Please refer to <a href="https://forecast.weather.gov/product.php?site=NWS&issuedby=LWX&product=CFW&format=CI&version=1&glossary=1"><font color="#0000ff"><span class="style1">Coastal Flood Advisories and Warnings</span></font></a> for official water level forecasts during periods of coastal flooding. During tropical cyclones, please refer<span class="style1"> </span> <span class="style1"> <a href="https://forecast.weather.gov/product.php?site=NWS&issuedby=lwx&product=TCV&format=CI&version=1&glossary=1">here</a></span> for additional storm surge information.
- Stage may be affected by ice.