West Branch Middle Brook near Martinsville NJ water level

Name: West Branch Middle Brook near Martinsville NJ 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, West Branch Middle Brook, New Jersey, United States

Directions

Below flood stage

Water level

2.02ft Steady over the last 24 hours

Measured Oct 20, 2026, 11:55 PM EDT (1 hour ago)

Flow: 0.4 cfs

History

7 days

Water level Minor flood stage

What this means

West Branch Middle Brook near Martinsville NJ is at 2.02 ft, in the normal range.

It is 3.98 ft below the flood stage of 6.00 ft.

The level has held steady over the past 24 hours. In the last month it has stayed between 2.01 ft and 2.03 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: 11.47 ftSeptember 2, 2021

Floating and fishing near West Branch Middle Brook near Martinsville NJ

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

Flood stage here is 6.00 ft, 3.98 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

Highest crests on record

Rank	Level	Date
1	11.47 ft	September 2, 2021
2	9.30 ft	September 16, 1999
3	7.86 ft	August 12, 2000
4	7.32 ft	October 8, 2005
5	6.90 ft	October 19, 1996
6	6.20 ft	May 16, 1990
7	5.33 ft	April 30, 2014
8	4.80 ft	May 13, 2002

Weather at the gauge

No rain in the last 3 days.

20 Tue 69° 47° – Wind 15 mph

21 Wed 63° 47° – Wind 15 mph

22 Thu 66° 46° – Wind 12 mph

23 Fri 60° 45° – Wind 9 mph

24 Sat 60° 42° – Wind 4 mph

25 Sun 63° 43° – Wind 6 mph

26 Mon 67° 45° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:16 AM Sunset 06:11 PM Daylight 10 hr, 54 min Waxing gibbous 74%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Raritan River at Manville NJRiver gauge, Raritan River	4.23 ft	Below flood stage	−0.04 ft	3.9 mi
Middle Brook at Bound Brook NJRiver gauge, Middle Brook	4.09 ft	Below flood stage	−0.05 ft	4.2 mi
North Branch Raritan River at North Branch NJRiver gauge, North Branch Raritan River	3.10 ft	Below flood stage	−0.01 ft	4.4 mi
Bound Brook at Middlesex NJRiver gauge, Bound Brook	1.68 ft	Below flood stage	−0.01 ft	4.7 mi
Raritan River below Calco Dam at Bound Brook NJRiver gauge, Raritan River	17.09 ft	Below flood stage	−0.22 ft	4.8 mi
Lamington River at Burnt Mills NJRiver gauge, Lamington River	3.04 ft	Below flood stage	−0.02 ft	5.3 mi
Middle Brook at Burnt Mills NJRiver gauge, Middle Brook	5.95 ft	Below flood stage	+1.92 ft	5.4 mi
North Branch Raritan River near Raritan NJRiver gauge, North Branch Raritan River	2.82 ft	Below flood stage	−0.02 ft	5.5 mi

Questions and answers

What is flood stage for West Branch Middle Brook near Martinsville NJ?

The official flood stage is 6.00 ft. The level is currently 3.98 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 West Branch Middle Brook near Martinsville NJ today?

On Oct 20, 2026, 11:55 PM EDT, the water level was 2.02 ft. Steady over the last 24 hours.

Is West Branch Middle Brook near Martinsville NJ rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of West Branch Middle Brook near Martinsville NJ normal?

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

What is the highest water level ever recorded at West Branch Middle Brook near Martinsville NJ?

The highest level on record is 11.47 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:01403150 (Agency page)
Coordinates: 40.61222, -74.59083 (WGS84)
Vertical datum: NGVD29
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	2.02 ft	2026-10-21 03:55	Provisional
Flow	0.4 cfs	2026-10-21 03:55	Provisional

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How to cite

U.S. Geological Survey: West Branch Middle Brook near Martinsville NJ (usgs:01403150). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-jersey/west-branch-middle-brook-near-martinsville-nj

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