Mattawoman Creek near Pomonkey water level

Name: Mattawoman Creek near Pomonkey 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, Mattawoman Creek, Maryland, United States

Directions

Below flood stage

Water level

2.36ft Down 0.16 ft over the last 24 hours

Measured Oct 20, 2026, 03:50 PM EDT (1 hour ago)

Flow: 16.3 cfs

History

7 days

Water level Minor flood stage

What this means

Mattawoman Creek near Pomonkey is at 2.36 ft, in the normal range.

It is 4.64 ft below the flood stage of 7.00 ft.

It has dropped 0.16 ft over the past 24 hours. In the last month it has stayed between 2.25 ft and 3.37 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: 7.98 ftSeptember 8, 2011

Floating and fishing near Mattawoman Creek near Pomonkey

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

Flood stage here is 7.00 ft, 4.64 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

11.00 ft: Water completely covers the bridge on Pomfret Road.
10.00 ft: Bumpy Oak Road and the Indian Head Rail Trail bridge both are flooded.
8.00 ft: Pomfret Road is flooded and closed.
7.00 ft: Pomfret Road begins to flood.
4.00 ft: Water begins to overflow the banks into swampy areas nearby. No impacts are observed.
2.36 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	7.98 ft	September 8, 2011
2	7.86 ft	May 12, 2008
3	7.72 ft	October 12, 2018
4	7.52 ft	August 13, 1955
5	7.43 ft	July 9, 2019
6	7.43 ft	February 12, 2018
7	7.40 ft	September 26, 1975
8	7.30 ft	December 19, 2023
9	7.28 ft	April 30, 2014
10	7.20 ft	December 8, 2011

Weather at the gauge

Rain in the last 3 days: 0.27 in. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 67° 46° – Wind 10 mph

21 Wed 63° 44° – Wind 10 mph

22 Thu 68° 44° – Wind 10 mph

23 Fri 62° 45° – Wind 8 mph

24 Sat 63° 41° – Wind 6 mph

25 Sun 66° 42° – Wind 5 mph

26 Mon 69° 44° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:23 AM Sunset 06:24 PM Daylight 11 hr, 2 min Waxing gibbous 71%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Piscataway Creek at PiscatawayRiver gauge, Piscataway Creek	2.40 ft	Below flood stage	−0.04 ft	9 mi
Zekiah Swamp Run near NewtownRiver gauge, Zekiah Swamp Run	1.25 ft	Below flood stage	−0.20 ft	10 mi
Cameron Run at AlexandriaRiver gauge, Cameron Run	3.88 ft	Below flood stage	−0.02 ft	15 mi
Fourmile Run at AlexandriaRiver gauge, Fourmile Run	4.09 ft	Below flood stage	−0.01 ft	17 mi
Accotink Creek near AnnandaleRiver gauge, Accotink Creek	1.61 ft	Below flood stage	−0.01 ft	18 mi
Long Branch near AnnandaleRiver gauge, Long Branch	0.9 cfs	Normal	±0	18 mi
South F Quantico Creek near Independent HillRiver gauge, South F Quantico Creek	2.86 ft	Below flood stage	−0.01 ft	20 mi
Potomac River at Wisconsin Ave, WashingtonEstuary gauge, Potomac River	2.06 ft	Below flood stage	+0.49 ft	21 mi

Questions and answers

What is flood stage for Mattawoman Creek near Pomonkey?

The official flood stage is 7.00 ft. The level is currently 4.64 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 Mattawoman Creek near Pomonkey today?

On Oct 20, 2026, 03:50 PM EDT, the water level was 2.36 ft. Down 0.16 ft over the last 24 hours.

Is Mattawoman Creek near Pomonkey rising or falling?

Down 0.16 ft over the last 24 hours.

Is the level of Mattawoman Creek near Pomonkey normal?

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

What is the highest water level ever recorded at Mattawoman Creek near Pomonkey?

The highest level on record is 7.98 ft on September 8, 2011.

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:01658000 (Agency page)
Coordinates: 38.59614, -77.05603 (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	2.36 ft	2026-10-20 19:50	Provisional
Flow	16.3 cfs	2026-10-20 19:50	Provisional

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How to cite

U.S. Geological Survey: Mattawoman Creek near Pomonkey (usgs:01658000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/maryland/mattawoman-creek-near-pomonkey

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