Canada
United States
Belgium
France
Ireland
Netherlands
United Kingdom
Austria
Czechia
Germany
Poland
Slovenia
Switzerland
Italy
Spain
Türkiye
Denmark
Finland
Norway
SwedenRaritan River below Calco Dam at Bound Brook NJ water level
River gauge, Raritan River, New Jersey, United States
Right now
Below flood stage
Water level
- Flow
- 400 cfs
History
The forecast expects the river to fall to 17.00 ft by Thursday, October 22 at 08:00 AM. Issued Monday, October 19 at 10:26 AM by NOAA National Weather Service.
What this means
The Raritan River below Calco Dam at Bound Brook NJ is at 17.25 ft, in the normal range.
It is 10.75 ft below the flood stage of 28.00 ft.
It has dropped 0.08 ft over the past 24 hours. The forecast expects the river to fall to 17.00 ft by Thursday, October 22 at 08:00 AM. In the last month it has stayed between 17.25 ft and 17.71 ft.
Judged against the official flood stage for this gauge. How to read levels
Key numbers
- Highest on record
- 42.13 ftSeptember 2, 2021
- Forecast peak
- 17.20 ftTuesday, October 20 at 02:00 AM
Floating and fishing near Raritan River below Calco Dam at Bound Brook NJ
Normal flows mean predictable rapids and good access at most put-ins.
Flood stage here is 28.00 ft, 10.75 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.
What happens at each level
- 33.00 ft
- A large portion of Bound Brook is protected by the flood reduction project. Pump station operations become critical, at this stage, for the continued protection of the borough.
- 30.00 ft
- Main Street is protected by flap valves/sluice gates. This level triggers the gate closures to protect Main Street.
- 28.00 ft
- Backyard and low areas are protected by levees and the flood wall. Without the levees or if there is a breach in the levees, minor flooding will occur.
- 17.25 ft
- Right now
Impact statements from the U.S. National Weather Service.
Highest crests on record
Chance of at least minor flooding in October to December: 23 %.
| Rank | Level | Date |
|---|---|---|
| 1 | 42.13 ft | September 2, 2021 |
| 2 | 42.13 ft | September 17, 1999 |
| 3 | 41.90 ft | August 28, 2011 |
| 4 | 38.38 ft | April 16, 2007 |
| 5 | 37.47 ft | August 28, 1971 |
| 6 | 36.04 ft | March 14, 2010 |
| 7 | 35.58 ft | October 20, 1996 |
| 8 | 34.65 ft | May 1, 2014 |
| 9 | 33.72 ft | December 19, 2023 |
| 10 | 33.70 ft | January 10, 2024 |
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
Map
Other gauges on the Raritan River
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Raritan River at Manville NJRiver gauge, Raritan River | 4.27 ft | Below flood stage | −0.04 ft | 1.8 mi |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Middle Brook at Bound Brook NJRiver gauge, Middle Brook | 4.12 ft | Below flood stage | −0.01 ft | 0.7 mi |
| Millstone River at Weston NJRiver gauge, Millstone River | 1.85 ft | Below flood stage | −0.06 ft | 2.6 mi |
| Bound Brook at Middlesex NJRiver gauge, Bound Brook | 1.69 ft | Below flood stage | −0.03 ft | 3.2 mi |
| Millstone River at Millstone NJRiver gauge, Millstone River | 1.23 ft | Below flood stage | −0.10 ft | 3.9 mi |
| West Branch Middle Brook near Martinsville NJRiver gauge, West Branch Middle Brook | 2.02 ft | Below flood stage | +0.01 ft | 4.8 mi |
| Royce Brook at Hamilton Road near Manville NJRiver gauge, Royce Brook | 7.0 cfs | Normal | ±0 | 5.0 mi |
| Millstone River at Blackwells Mills NJRiver gauge, Millstone River | 2.02 ft | Below flood stage | −0.04 ft | 5.5 mi |
| North Branch Raritan River near Raritan NJRiver gauge, North Branch Raritan River | 2.83 ft | Below flood stage | −0.02 ft | 7 mi |
Questions and answers
What is flood stage for the Raritan River below Calco Dam at Bound Brook NJ?
The official flood stage is 28.00 ft. The level is currently 10.75 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 Raritan River below Calco Dam at Bound Brook NJ today?
On Oct 20, 2026, 05:15 AM EDT, the water level was 17.25 ft. Down 0.08 ft over the last 24 hours.
Is Raritan River below Calco Dam at Bound Brook NJ rising or falling?
Down 0.08 ft over the last 24 hours.
Is the level of Raritan River below Calco Dam at Bound Brook NJ normal?
Below flood stage. Judged against the official flood stage for this gauge.
What is the highest water level ever recorded at Raritan River below Calco Dam at Bound Brook NJ?
The highest level on record is 42.13 ft on September 2, 2021.
Is Raritan River below Calco Dam at Bound Brook NJ expected to rise?
The forecast expects the river to fall to 17.00 ft by Thursday, October 22 at 08:00 AM.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:01403060(Agency page)- Coordinates
40.55111, -74.54833(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 | 17.25 ft | 2026-10-20 09:15 | Provisional |
| Flow | 400 cfs | 2026-10-20 09:15 | Provisional |
Download
Embed this gauge
Add a live card for this gauge to your website. It updates on its own and links back here.
How to cite
U.S. Geological Survey: Raritan River below Calco Dam at Bound Brook NJ (usgs:01403060). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-jersey/raritan-river-below-calco-dam-at-bound-brook-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