Monocacy River at Jug Bridge near Frederick, MD

Frederick County, Maryland · USGS gauge 01643000 · NWS FDKM2 · Monocacy River flood status · Maryland river levels

Nearby: river levels near Frederick

Is Monocacy River at Jug Bridge near Frederick, MD flooding right now?

Monocacy River at Jug Bridge near Frederick, MD measured 1.57 ft on 2026-09-11 01:30:00 UTC. That observation was 13.4 ft below its 15 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
1.57 ft
as of 48 min ago
Streamflow
98 cfs
data refreshed just now

Minor flooding here begins at 15 ft, with major flooding at 20 ft. The highest crest on record was 35.9 ft on Fri, Jun 23, 1972.

Flood forecast

NWS forecast, issued 12 hours ago. Forecasts are issued for select river points and update through the day.

Flood stages at this gauge

CategoryStageCurrent distance
Action13 ft11.4 ft below
Minor flood15 ft13.4 ft below
Moderate flood17 ft15.4 ft below
Major flood20 ft18.4 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
35.9 ft1972-06-23
30.8 ft1975-09-26
28.1 ft1933-08-24
25.38 ft1976-10-10
23.67 ft1996-01-20

Nearby gauges

GaugeDistanceCounty
Linganore Creek at Linganore Rd near Frederick, MD0.6 miFrederick County
Monocacy River at Monocacy Blvd at Frederick, MD2.9 miFrederick County
Carroll Creek above Rock Creek at Frederick, MD3.7 miFrederick County
Carroll Creek near Frederick, MD4.6 miFrederick County
Linganore Creek near Libertytown, MD5.8 miFrederick County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast