Turkey Branch near Rockville water level

Name: Turkey Branch near Rockville 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, Turkey Branch, Maryland, United States

Directions

Below flood stage

Water level

4.28ft Steady over the last 24 hours

Measured Oct 20, 2026, 05:00 PM EDT (26 min ago)

History

7 days

Water level Minor flood stage

What this means

Turkey Branch near Rockville is at 4.28 ft, in the normal range.

It is 5.72 ft below the flood stage of 10.00 ft.

The level has held steady over the past 24 hours. In the last month it has stayed between 4.27 ft and 4.61 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: 12.78 ftAugust 12, 2010

Floating and fishing near Turkey Branch near Rockville

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

Flood stage here is 10.00 ft, 5.72 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

17.00 ft: Water reaches Viers Mill Road, with numerous structures flooded.
13.00 ft: Water approaches structures near the stream.
10.00 ft: Water approaches the intersection of Turkey Branch Parkway and Danvers Street, and the intersection of Turkey Branch Parkway and Grenoble.
8.00 ft: Water overflows the banks but no impacts are observed.
4.28 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	12.78 ft	August 12, 2010
2	12.14 ft	April 30, 2014
3	11.54 ft	May 2, 2016
4	11.35 ft	September 1, 2021
5	11.14 ft	April 30, 2014
6	10.50 ft	July 3, 2022
7	10.41 ft	April 30, 2014
8	10.37 ft	April 16, 2018
9	10.18 ft	June 10, 2013
10	10.07 ft	June 27, 2015

Weather at the gauge

Rain in the last 3 days: 0.04 in. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 70° 43° – Wind 11 mph

21 Wed 64° 44° – Wind 11 mph

22 Thu 66° 44° – Wind 12 mph

23 Fri 62° 44° – Wind 8 mph

24 Sat 63° 43° – Wind 5 mph

25 Sun 64° 45° – Wind 6 mph

26 Mon 68° 46° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:23 AM Sunset 06:24 PM Daylight 11 hr, 1 min Waxing gibbous 71%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Northwest Branch Anacostia River near ColesvilleRiver gauge, Northwest Branch Anacostia River	1.43 ft	Below flood stage	−0.01 ft	2.8 mi
Paint Branch Tributary near ColesvilleRiver gauge, Paint Branch Tributary	1.59 ft	Below flood stage	±0	5.1 mi
Paint Branch near College ParkRiver gauge, Paint Branch	1.50 ft	Below flood stage	±0	7 mi
Sligo Creek near Takoma ParkRiver gauge, Sligo Creek	0.61 ft	Below flood stage	−0.01 ft	7 mi
Rock Creek at Joyce Rd WashingtonRiver gauge, Rock Creek	1.31 ft	Below flood stage	−0.07 ft	8 mi
Hawlings River near Sandy SpringRiver gauge, Hawlings River	0.52 ft	Below flood stage	−0.02 ft	8 mi
Potomac River near Wash, Dc Little Falls Pump StationRiver gauge, Potomac River	3.41 ft	Below flood stage	−0.08 ft	9 mi
Dead Run at Whann Avenue near McLeanRiver gauge, Dead Run	1.14 ft	Below flood stage	−0.03 ft	9 mi

Questions and answers

What is flood stage for Turkey Branch near Rockville?

The official flood stage is 10.00 ft. The level is currently 5.72 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 Turkey Branch near Rockville today?

On Oct 20, 2026, 05:00 PM EDT, the water level was 4.28 ft. Steady over the last 24 hours.

Is Turkey Branch near Rockville rising or falling?

Steady over the last 24 hours.

Is the level of Turkey Branch near Rockville normal?

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

What is the highest water level ever recorded at Turkey Branch near Rockville?

The highest level on record is 12.78 ft on August 12, 2010.

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:01647850 (Agency page)
Coordinates: 39.06847, -77.08175 (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	4.28 ft	2026-10-20 21:00	Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

<iframe src="https://nivelmap.com/embed/7013?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Turkey Branch near Rockville water level"></iframe>

How to cite

U.S. Geological Survey: Turkey Branch near Rockville (usgs:01647850). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/maryland/turkey-branch-near-rockville

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