Monocacy River at Monocacy Blvd. in Frederick Water Level

Current Water Level

Gage Height

Streamflow

Last Reading

FLOOD STAGES

Know the flood categories.

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

Major Flood

23.5 ft

Moderate Flood

20.2 ft

Minor Flood

17.8 ft

Action Stage

15.5 ft

7-Day Water Level Chart

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Historic Crests

Date	Stage	Flow
Sep 2, 2021	25.86 ft	29,239 cfs
Oct 30, 2012	25.56 ft	27,819 cfs
Dec 11, 2003	24.68 ft	26,500 cfs

About This Gauge

USGS Site

01642190

NWS LID

FRMM2

River

Monocacy River

County

Frederick, MD

Coordinates

39.4433°N, 77.3828°W

Get Flood Alerts for Monocacy 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 Monocacy River at Monocacy Blvd. in Frederick?

The Monocacy River at Monocacy Blvd. in Frederick gauge is maintained by USGS (site 01642190) 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 Monocacy River at Monocacy Blvd. in Frederick?

The NWS-defined flood stage for Monocacy River at Monocacy Blvd. in Frederick is 17.8 feet. Action stage begins at 15.5 feet. Moderate flooding starts at 20.2 feet, and major flooding at 23.5 feet.

How do I get alerts when Monocacy River rises?

Download StormCast free on Google Play, go to River Gauges, and add Monocacy River at Monocacy Blvd. in Frederick 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 Monocacy River at Monocacy Blvd. in Frederick gauge located?

The gauge is located in Frederick County, Maryland at coordinates 39.4433°N, 77.3828°W. USGS site number: 01642190. Data is provided by the U.S. Geological Survey and the National Weather Service.

More Gauges on Monocacy River

Monocacy River at Bridgeport Monocacy River near Frederick at Interstate 70

On This River

Upstream: Monocacy River at Bridgeport Downstream: Monocacy River near Frederick at Interstate 70

More Resources

Maryland River Gauges River Level App Flood Alerts Understanding River Flood Levels Flash Flood Warnings Tornado Alerts

Source & Notes

Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey

Stage may be affected by ice.

Monocacy River at Monocacy Blvd. in Frederick Water Level & Flood Stage.