Bynum Run at Bel Air water level

Name: Bynum Run at Bel Air 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, Bynum Run, Maryland, United States

Directions

Below flood stage

Water level

0.67ft Steady over the last 24 hours

Measured Oct 19, 2026, 10:15 PM EDT (1 hour ago)

Flow: 5.0 cfs

History

7 days

Water level Minor flood stage

What this means

The gauge at Bynum Run at Bel Air reads 0.67 ft, a normal level.

It is 8.33 ft below the flood stage of 9.00 ft.

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 0.67 ft and 1.25 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: 11.15 ftAugust 20, 2016

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 9.00 ft, still 8.33 ft away.

What happens at each level

17.00 ft: Water approaches homes near the stream and covers a portion of Brierhill Drive.
13.00 ft: The bridge over Bynum Run at Maryland Route 22 begins to flood.
12.00 ft: Water approaches McPhail Road.
9.00 ft: Flooding begins to affect Bynum Run Park near Route 22.
6.00 ft: Fields begin to flood near the stream.
0.67 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	11.15 ft	August 20, 2016
2	9.91 ft	September 16, 1999
3	9.27 ft	August 18, 2017
4	9.23 ft	June 26, 2006
5	9.18 ft	June 4, 2021
6	9.03 ft	January 10, 2024
7	8.50 ft	February 24, 2016
8	8.36 ft	September 30, 2010
9	8.32 ft	June 22, 1972
10	8.23 ft	October 1, 2010

Weather at the gauge

The forecast is not available right now.

Sunrise 07:21 AM Sunset 06:20 PM Daylight 10 hr, 59 min First quarter 64%

Map

Other gauges on Bynum Run

Gauge	Level	Compared with normal	24 hours	Distance
Bynum Run near AbingdonRiver gauge, Bynum Run	14.6 cfs	Normal	−1.2 cfs	5.0 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Winters Run near BensonRiver gauge, Winters Run	1.32 ft	Below flood stage	−0.01 ft	2.7 mi
Winters Run near Bel AirRiver gauge, Winters Run	1.30 ft	Below flood stage	−0.03 ft	2.7 mi
Plumtree Run near Bel AirRiver gauge, Plumtree Run	1.13 ft	Below flood stage	−0.01 ft	3.3 mi
Wheel Creek near AbingdonRiver gauge, Wheel Creek	0.5 cfs	Normal	±0	4.2 mi
James Run near BelcampRiver gauge, James Run	2.99 ft	Below flood stage	−0.07 ft	5.1 mi
Little Gunpowder Falls at Laurel BrookRiver gauge, Little Gunpowder Falls	1.09 ft	Below flood stage	−0.01 ft	6.0 mi
Deer Creek at RocksRiver gauge, Deer Creek	2.04 ft	Below flood stage	−0.02 ft	7 mi
Deer Creek near DarlingtonRiver gauge, Deer Creek	1.29 ft	Below flood stage	−0.06 ft	9 mi

Questions and answers

What is flood stage for Bynum Run at Bel Air?

The official flood stage is 9.00 ft. The level is currently 8.33 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 Bynum Run at Bel Air today?

On Oct 19, 2026, 10:15 PM EDT, the water level was 0.67 ft. Steady over the last 24 hours.

Is Bynum Run at Bel Air rising or falling?

Steady over the last 24 hours.

Is the level of Bynum Run at Bel Air normal?

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

What is the highest water level ever recorded at Bynum Run at Bel Air?

The highest level on record is 11.15 ft on August 20, 2016.

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:01581500 (Agency page)
Coordinates: 39.54147, -76.33011 (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	0.67 ft	2026-10-20 02:15	Provisional
Flow	5.0 cfs	2026-10-20 02:15	Provisional

Download

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How to cite

U.S. Geological Survey: Bynum Run at Bel Air (usgs:01581500). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/maryland/bynum-run-at-bel-air

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