Green Brook at Seeley Mills NJ water level

Name: Green Brook at Seeley Mills 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, Green Brook, New Jersey, United States

Directions

Below flood stage

Water level

1.82ft Steady over the last 24 hours

Measured Oct 19, 2026, 11:55 AM EDT (1 hour ago)

Flow: 1.7 cfs

History

7 days

Water level Minor flood stage

What this means

The gauge at Green Brook at Seeley Mills NJ reads 1.82 ft, a normal level.

It is 3.68 ft below the flood stage of 5.50 ft.

It has barely moved over the past 24 hours. Over the past 30 days it has moved between 1.81 ft and 1.92 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: 9.05 ftSeptember 2, 2021

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 5.50 ft, still 3.68 ft away.

Highest crests on record

Rank	Level	Date
1	9.05 ft	September 2, 2021
2	8.50 ft	September 16, 1999
3	7.05 ft	October 19, 1996
4	6.46 ft	August 28, 2011
5	6.08 ft	September 6, 1979
6	5.92 ft	December 18, 2023
7	5.58 ft	March 13, 2010
8	5.29 ft	June 5, 1992
9	5.11 ft	July 7, 1984

Weather at the gauge

The forecast is not available right now.

Sunrise 07:14 AM Sunset 06:13 PM Daylight 10 hr, 59 min First quarter 61%

Map

Other gauges on Green Brook

Gauge	Level	Compared with normal	24 hours	Distance
Green Brook at Rock Avenue at Plainfield NJRiver gauge, Green Brook	1.04 ft	No reference yet	+0.03 ft	5.2 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Stony Brook at Watchung NJRiver gauge, Stony Brook	9.63 ft	Below flood stage	+0.03 ft	3.2 mi
Stony Brook at North Plainfield NJRiver gauge, Stony Brook	1.91 ft	Below flood stage	+0.03 ft	3.5 mi
Passaic River near Chatham NJRiver gauge, Passaic River	4.07 ft	Below flood stage	−0.08 ft	4.2 mi
Rahway River near Springfield NJRiver gauge, Rahway River	1.40 ft	Below flood stage	−0.01 ft	5.1 mi
Canoe Brook near Summit NJRiver gauge, Canoe Brook	3.2 cfs	Normal	−1.4 cfs	6.0 mi
Passaic River near Millington NJRiver gauge, Passaic River	5.06 ft	Below flood stage	−0.16 ft	7 mi
Rahway River at Rahway NJRiver gauge, Rahway River	1.55 ft	Below flood stage	−0.02 ft	7 mi
Bound Brook at Middlesex NJRiver gauge, Bound Brook	1.71 ft	Below flood stage	+0.01 ft	8 mi

Questions and answers

What is flood stage for Green Brook at Seeley Mills NJ?

The official flood stage is 5.50 ft. The level is currently 3.68 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 Green Brook at Seeley Mills NJ today?

On Oct 19, 2026, 11:55 AM EDT, the water level was 1.82 ft. Steady over the last 24 hours.

Is Green Brook at Seeley Mills NJ rising or falling?

Steady over the last 24 hours.

Is the level of Green Brook at Seeley Mills NJ normal?

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

What is the highest water level ever recorded at Green Brook at Seeley Mills NJ?

The highest level on record is 9.05 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:01403400 (Agency page)
Coordinates: 40.66611, -74.40389 (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	1.82 ft	2026-10-19 15:55	Provisional
Flow	1.7 cfs	2026-10-19 15:55	Provisional

Download

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How to cite

U.S. Geological Survey: Green Brook at Seeley Mills NJ (usgs:01403400). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-jersey/green-brook-at-seeley-mills-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