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Monocacy River at Bridgeport water level

River gauge, Monocacy River, Maryland, United States

Directions

Right now

Below flood stage

Water level

2.58ft Down 0.10 ft over the last 24 hours

Flow
30.8 cfs
0 10 20 Highest onrecord 25.42 ft Minor floodstage 13.00 ft

History

History
2.62.83.0ftOct 16Oct 16Oct 17Oct 18Oct 192.62.83.0ftOct 16Oct 17Oct 19
Water level Minor flood stage

What this means

Water levels are unremarkable at Monocacy River at Bridgeport, where the gauge shows 2.58 ft.

It is 10.42 ft below the flood stage of 13.00 ft.

It is still going down, by 0.10 ft over the past 24 hours. The 30-day range is 2.58 ft – 3.16 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record
25.42 ftJune 19, 1996

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 13.00 ft.

What happens at each level

25.00 ft
Significant flooding is occurring on both sides of the river with homes and roads flooded.
23.50 ft
Water covers the Taneytown Pike bridge over the Monocacy. The road on each side will already be underwater.
21.00 ft
Water approaches homes on the Frederick County side near Bridgeport.
20.00 ft
Taneytown Pike begins to flood on both sides of the river.
16.00 ft
Flooding of fields and yards begins near Bridgeport.
13.00 ft
Baptist Road near Bridgeport begins to flood.
11.00 ft
Water begins to overflow downstream areas, but is not affecting any property.
2.58 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

RankLevelDate
125.42 ftJune 19, 1996
224.05 ftJune 22, 1972
323.18 ftOctober 9, 1976
420.53 ftMay 21, 1943
520.47 ftApril 17, 2011
620.14 ftSeptember 26, 1975
719.24 ftJanuary 19, 1996
819.04 ftSeptember 2, 2021
919.04 ftSeptember 25, 1975
1018.38 ftNovember 28, 1993

Weather at the gauge

The forecast is not available right now.

Sunrise 07:24 AM Sunset 06:25 PM Daylight 11 hr, 2 min First quarter 57%

Map

Other gauges on the Monocacy River

Gauge Level Compared with normal 24 hours Distance
Monocacy River at Monocacy Blvd at FrederickRiver gauge, Monocacy River 1.84 ft Below flood stage −0.20 ft 18 mi
Monocacy River at Jug Bridge near FrederickRiver gauge, Monocacy River 2.07 ft Below flood stage −0.23 ft 20 mi
Monocacy River near DickersonRiver gauge, Monocacy River 1.82 ft No reference yet −0.15 ft 31 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Big Pipe Creek at BrucevilleRiver gauge, Big Pipe Creek 1.09 ft Below flood stage −0.07 ft 4.6 mi
Cranberry Branch near WestminsterRiver gauge, Cranberry Branch 1.25 ft Below flood stage ±0 15 mi
Antietam Creek near WaynesboroRiver gauge, Antietam Creek 2.25 ft Below flood stage +0.04 ft 20 mi
Bermudian Creek at Oxford Road near HeidlersburgRiver gauge, Bermudian Creek 4.2 cfs Normal ±0 21 mi
Morgan Run near LouisvilleRiver gauge, Morgan Run 1.40 ft Below flood stage −0.02 ft 22 mi
Beaver Run near FinksburgRiver gauge, Beaver Run 0.51 ft Below flood stage −0.01 ft 22 mi
North Branch Patapsco River at CedarhurstRiver gauge, North Branch Patapsco River 18.5 cfs Low −2.6 cfs 22 mi
West Conewago Creek at East BerlinRiver gauge, West Conewago Creek 72.6 cfs Normal −20.1 cfs 22 mi

Questions and answers

What is flood stage for the Monocacy River at Bridgeport?

The official flood stage is 13.00 ft. The level is currently 10.42 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Monocacy River at Bridgeport today?

On Oct 19, 2026, 03:30 AM EDT, the water level was 2.58 ft. Down 0.10 ft over the last 24 hours.

Is Monocacy River at Bridgeport rising or falling?

Down 0.10 ft over the last 24 hours.

Is the level of Monocacy River at Bridgeport normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Monocacy River at Bridgeport?

The highest level on record is 25.42 ft on June 19, 1996.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:01639000 (Agency page)
Coordinates
39.67906, -77.23453 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 2.58 ft 2026-10-19 07:30 Provisional
Flow 30.8 cfs 2026-10-19 07:30 Provisional

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How to cite

U.S. Geological Survey: Monocacy River at Bridgeport (usgs:01639000). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/maryland/monocacy-river-at-bridgeport

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.