Monocacy River at Monocacy Blvd at Frederick water level

Name: Monocacy River at Monocacy Blvd at Frederick water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Monocacy River, Maryland, United States

Directions

Below flood stage

Water level

1.80ft Down 0.15 ft over the last 24 hours

Measured Oct 19, 2026, 12:15 PM EDT (2 hours ago)

Flow: 182 cfs

History

7 days

Water level Minor flood stage

What this means

The gauge at Monocacy River at Monocacy Blvd at Frederick reads 1.80 ft, a normal level.

It is 16.00 ft below the flood stage of 17.80 ft.

The level is falling, down 0.15 ft over the past 24 hours. Over the past 30 days it has moved between 1.80 ft and 2.12 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: 25.86 ftSeptember 2, 2021

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 17.80 ft, still 16.00 ft away.

Highest crests on record

Rank	Level	Date
1	25.86 ft	September 2, 2021
2	25.56 ft	October 31, 2012
3	24.68 ft	December 12, 2003
4	24.57 ft	April 17, 2011
5	24.55 ft	September 10, 2018
6	23.87 ft	November 23, 2011
7	22.59 ft	September 24, 2021
8	22.47 ft	May 1, 2014
9	22.16 ft	May 17, 2014
10	21.66 ft	December 27, 2009

Weather at the gauge

The forecast is not available right now.

Sunrise 07:24 AM Sunset 06:26 PM Daylight 11 hr, 2 min First quarter 61%

Map

Other gauges on the Monocacy River

Gauge	Level	Compared with normal	24 hours	Distance
Monocacy River at BridgeportRiver gauge, Monocacy River	2.57 ft	Below flood stage	−0.08 ft	18 mi
Monocacy River at Jug Bridge near FrederickRiver gauge, Monocacy River	2.02 ft	Below flood stage	−0.18 ft	2.9 mi
Monocacy River near DickersonRiver gauge, Monocacy River	1.73 ft	No reference yet	−0.18 ft	13 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Catoctin Creek near MiddletownRiver gauge, Catoctin Creek	1.61 ft	Below flood stage	−0.02 ft	9 mi
Bennett Creek at Park MillsRiver gauge, Bennett Creek	1.66 ft	Below flood stage	−0.02 ft	10 mi
Soper Branch at HyattstownRiver gauge, Soper Branch	0.5 cfs	Normal	±0	12 mi
Big Pipe Creek at BrucevilleRiver gauge, Big Pipe Creek	1.06 ft	Below flood stage	−0.05 ft	14 mi
Potomac River at Point of RocksRiver gauge, Potomac River	2.48 ft	Below flood stage	−0.17 ft	15 mi
Tenmile Creek near ClarksburgRiver gauge, Tenmile Creek	2.91 ft	Below flood stage	±0	16 mi
Tenmile Creek near BoydsRiver gauge, Tenmile Creek	2.17 ft	Below flood stage	±0	16 mi
Little Seneca Creek Tributary near ClarksburgRiver gauge, Little Seneca Creek Tributary	0.1 cfs	Very low	±0	16 mi

Questions and answers

What is flood stage for the Monocacy River at Monocacy Blvd at Frederick?

The official flood stage is 17.80 ft. The level is currently 16.00 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 Monocacy Blvd at Frederick today?

On Oct 19, 2026, 12:15 PM EDT, the water level was 1.80 ft. Down 0.15 ft over the last 24 hours.

Is Monocacy River at Monocacy Blvd at Frederick rising or falling?

Down 0.15 ft over the last 24 hours.

Is the level of Monocacy River at Monocacy Blvd at Frederick 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 Monocacy Blvd at Frederick?

The highest level on record is 25.86 ft on September 2, 2021.

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:01642190 (Agency page)
Coordinates: 39.44358, -77.38228 (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

Parameter	Last value	Time (UTC)	Quality
Water level	1.80 ft	2026-10-19 16:15	Provisional
Flow	182 cfs	2026-10-19 16:15	Provisional

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How to cite

U.S. Geological Survey: Monocacy River at Monocacy Blvd at Frederick (usgs:01642190). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/maryland/monocacy-river-at-monocacy-blvd-at-frederick

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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer