Whitemarsh Run near Fullerton water level

Name: Whitemarsh Run near Fullerton 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, Whitemarsh Run, Maryland, United States

Directions

Below flood stage

Water level

1.17ft Up 0.06 ft over the last 24 hours

Measured Oct 20, 2026, 08:50 PM EDT (33 min ago)

Flow: 1.6 cfs

History

7 days

Water level Minor flood stage

What this means

Whitemarsh Run near Fullerton is at 1.17 ft, in the normal range.

It is 8.83 ft below the flood stage of 10.00 ft.

It has risen 0.06 ft over the past 24 hours. There is still 8.83 ft of room before flood stage. In the last month it has stayed between 1.11 ft and 2.10 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: 7.87 ftJuly 11, 2019

Floating and fishing near Whitemarsh Run near Fullerton

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 10.00 ft, 8.83 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

18.00 ft: Businesses and structures are flooded by Whitemarsh Run near Fullerton.
15.00 ft: Yards begin to flood near the stream.
10.00 ft: Backwater flooding begins near US Highway 1.
1.17 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	7.87 ft	July 11, 2019
2	7.56 ft	June 27, 2015
3	7.48 ft	February 24, 2016
4	7.24 ft	May 27, 2018
5	7.17 ft	June 10, 2021
6	6.88 ft	June 10, 2013
7	6.68 ft	August 14, 2012
8	6.60 ft	June 13, 2003
9	6.44 ft	September 23, 2011
10	6.39 ft	June 2, 2006

Weather at the gauge

Rain in the last 3 days: 0.29 in. Rain that falls upstream can take hours or days to show up at a river gauge.

19 Mon 68° 40° – Wind 10 mph

20 Tue 69° 49° – Wind 12 mph

21 Wed 63° 45° – Wind 12 mph

22 Thu 65° 47° – Wind 11 mph

23 Fri 62° 48° – Wind 11 mph

24 Sat 59° 44° – Wind 6 mph

25 Sun 63° 45° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:23 AM Sunset 06:20 PM Daylight 10 hr, 57 min Waxing gibbous 73%

Map

Other gauges on Whitemarsh Run

Gauge	Level	Compared with normal	24 hours	Distance
Whitemarsh Run at White MarshRiver gauge, Whitemarsh Run	2.88 ft	Below flood stage	−0.01 ft	2.7 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Honeygo Run near White MarshRiver gauge, Honeygo Run	0.54 ft	Below flood stage	+0.01 ft	3.3 mi
Minebank Run near Glen ArmRiver gauge, Minebank Run	4.11 ft	Below flood stage	−0.01 ft	3.9 mi
West Branch Herring Run at IdlewyldeRiver gauge, West Branch Herring Run	0.89 ft	Below flood stage	±0	4.8 mi
Long Green Creek at Glen ArmRiver gauge, Long Green Creek	1.00 ft	Below flood stage	−0.01 ft	5.3 mi
Herring Run at Sinclair Lane at BaltimoreRiver gauge, Herring Run	30.5 cfs	Normal	+1.3 cfs	5.3 mi
Long Quarter Branch at LuthervilleRiver gauge, Long Quarter Branch	1.01 ft	Below flood stage	+0.02 ft	6 mi
Foster Branch near JoppatowneRiver gauge, Foster Branch	0.9 cfs	High	−0.3 cfs	8 mi
Jones Falls at SorrentoRiver gauge, Jones Falls	7.86 ft	Below flood stage	+0.01 ft	9 mi

Questions and answers

What is flood stage for Whitemarsh Run near Fullerton?

The official flood stage is 10.00 ft. The level is currently 8.83 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 Whitemarsh Run near Fullerton today?

On Oct 20, 2026, 08:50 PM EDT, the water level was 1.17 ft. Up 0.06 ft over the last 24 hours.

Is Whitemarsh Run near Fullerton rising or falling?

Up 0.06 ft over the last 24 hours. Down 0.19 ft over the last 7 days.

Is the level of Whitemarsh Run near Fullerton normal?

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

What is the highest water level ever recorded at Whitemarsh Run near Fullerton?

The highest level on record is 7.87 ft on July 11, 2019.

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:01585090 (Agency page)
Coordinates: 39.37944, -76.49517 (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	1.17 ft	2026-10-21 00:50	Provisional
Flow	1.6 cfs	2026-10-21 00:50	Provisional

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How to cite

U.S. Geological Survey: Whitemarsh Run near Fullerton (usgs:01585090). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/maryland/whitemarsh-run-near-fullerton

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