Royce Brook at Hamilton Road near Manville NJ water level

Name: Royce Brook at Hamilton Road near Manville 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, Royce Brook, New Jersey, United States

Directions

Normal for mid-October

Water level

1.33ft Steady over the last 24 hours

Measured Oct 20, 2026, 05:15 PM EDT (51 min ago)

Flow: 7.0 cfs

History

7 days

Water level

What this means

The gauge at Royce Brook at Hamilton Road near Manville NJ reads 1.33 ft, a normal level for mid-October.

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 1.32 ft and 1.41 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 5 years of daily readings for this time of year. How to read levels

Key numbers

Highest on record: 8.48 ftApril 30, 2014

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.

Highest crests on record

Rank	Level	Date
1	8.48 ft	April 30, 2014
2	7.55 ft	February 25, 2016
3	7.55 ft	April 16, 2018

Weather at the gauge

No rain in the last 3 days.

20 Tue 68° 41° – Wind 14 mph

21 Wed 63° 43° – Wind 13 mph

22 Thu 67° 40° – Wind 12 mph

23 Fri 60° 43° – Wind 9 mph

24 Sat 60° 39° – Wind 5 mph

25 Sun 63° 41° – Wind 8 mph

26 Mon 67° 44° – Wind 8 mph

Forecast: Open-Meteo

Sunrise 07:15 AM Sunset 06:13 PM Daylight 10 hr, 57 min Waxing gibbous 72%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Millstone River at Millstone NJRiver gauge, Millstone River	1.18 ft	Below flood stage	−0.07 ft	1.9 mi
Millstone River at Weston NJRiver gauge, Millstone River	1.79 ft	Below flood stage	−0.11 ft	2.4 mi
Pike Run at Belle Mead NJRiver gauge, Pike Run	1.7 cfs	Normal	−0.2 cfs	3.0 mi
Millstone River at Blackwells Mills NJRiver gauge, Millstone River	2.00 ft	Below flood stage	−0.03 ft	3.3 mi
Raritan River at Manville NJRiver gauge, Raritan River	4.24 ft	Below flood stage	−0.03 ft	4.0 mi
Millstone River at Griggstown NJRiver gauge, Millstone River	3.84 ft	Below flood stage	+0.05 ft	4.6 mi
North Branch Raritan River at South Branch NJRiver gauge, North Branch Raritan River	1.56 ft	Below flood stage	−0.02 ft	4.9 mi
Raritan River below Calco Dam at Bound Brook NJRiver gauge, Raritan River	17.17 ft	Below flood stage	−0.17 ft	5.0 mi

Questions and answers

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 Royce Brook at Hamilton Road near Manville NJ today?

On Oct 20, 2026, 05:15 PM EDT, the water level was 1.33 ft. Steady over the last 24 hours.

Is Royce Brook at Hamilton Road near Manville NJ rising or falling?

Steady over the last 24 hours.

Is the level of Royce Brook at Hamilton Road near Manville NJ normal?

Normal for mid-October. Compared with 5 years of daily readings for this time of year.

What is the highest water level ever recorded at Royce Brook at Hamilton Road near Manville NJ?

The highest level on record is 8.48 ft on April 30, 2014.

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.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:01402630 (Agency page)
Coordinates: 40.50611, -74.62306 (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	1.33 ft	2026-10-20 21:15	Provisional
Flow	7.0 cfs	2026-10-20 21:15	Provisional

Download

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How to cite

U.S. Geological Survey: Royce Brook at Hamilton Road near Manville NJ (usgs:01402630). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-jersey/royce-brook-at-hamilton-road-near-manville-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