Middle Brook at Bound Brook

Highest listed crest 20.66 ftFlood stage 11.0 ft10 crests since 1996

The Middle Brook at Bound Brook crested above flood stage 8 times among the 10 crests the National Weather Service lists from 1996 to 2024. The highest, 20.66 ft on September 2, 2021, was minor flooding, 9.66 feet above flood stage. 1 other gauge on the Middle Brook crested above flood stage within a week of it, 1 at its own highest listed crest.

The gauge

Highest listed crest: 20.66 ft; September 2, 2021
Flood stage: 11.0 ft; No major stage set
Crests at major: 0; 8 above flood stage
Most recent flood crest: January 10, 2024; 11.26 ft, minor flooding
Location: Somerset County; Near Bound Brook (0.8 mi), Manville (2.5 mi), Middlesex (2.8 mi)
Identifiers: NWS BDBN4; USGS 01403200

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Middle Brook at Bound Brook

Action stage	10.0	1	Jan 19, 1996	The level at which the NWS or its partners begin to take action
Flood stage (minor)	11.0	8	Jan 10, 2024	Minimal or no property damage, but possibly some public threat

Every listed crest

10 crests from 1996 to 2024. Filled: at or above flood stage. Hover a crest for its date and stage.

Crests at or above flood stage, by decade

These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Middle Brook at Bound Brook

1	Sep 2, 2021	20.66	+9.66	Minor	—
2	Sep 17, 1999	19.76	+8.76	Minor	—
3	Aug 28, 2011	19.55	+8.55	Minor	—
4	Apr 16, 2007	15.80	+4.80	Minor	—
5	Oct 20, 1996	13.00	+2.00	Minor	—
6	May 1, 2014	12.22	+1.22	Minor	—
7	Dec 19, 2023	11.26	+0.26	Minor	—
8	Jan 10, 2024	11.26	+0.26	Minor	—
9	Jan 19, 1996	10.60	−0.40	Action	—
10	Jun 28, 2006	9.00	−2.00	Below flood stage	—

The worst floods along the Middle Brook

For this gauge's highest crests, the other gauges on the Middle Brook that crested above flood stage within a week.

September 2, 2021: 20.66 ft here, minor flooding

Burnt MillsNJ · Sep 2, 2021 · 12.76 ft · Major · its highest

August 28, 2011: 19.55 ft here, minor flooding

Burnt MillsNJ · Aug 28, 2011 · 10.80 ft · Moderate

Gauges on the Middle Brook

In USGS station-number order, which runs downstream within a river basin.

Flood gauges on the Middle Brook

Burnt Mills	NJ	9.5	12.76 ft, Sep 2, 2021	1
Bound Brook this gauge	NJ	11.0	20.66 ft, Sep 2, 2021	0

Other gauges in Somerset County

Flood gauges in Somerset County

Seeley Mills	5.5	9.05 ft, Sep 2, 2021	0
Burnt Mills	11.0	16.79 ft, Sep 2, 2021	4
Burnt Mills	9.5	12.76 ft, Sep 2, 2021	1
Blackwells Mills	9.0	21.24 ft, Aug 28, 2011	11
Griggstown	10.0	24.21 ft, Aug 28, 2011	14
Millstone	10.0	22.45 ft, Sep 2, 2021	6
Weston	11.5	23.75 ft, Sep 2, 2021	7
North Branch Village	12.3	21.53 ft, Sep 16, 1999	0
South Branch	8.0	20.26 ft, Sep 2, 2021	14
Far Hills	6.0	7.60 ft, Jul 23, 1919	0
Raritan	10.0	19.52 ft, Sep 2, 2021	6
Millington	8.0	10.26 ft, Aug 29, 2011	2
Bound Brook	28.0	42.13 ft, Sep 17, 1999	13
Manville	14.0	27.66 ft, Sep 2, 2021	10
North Plainfield	7.0	10.65 ft, Aug 2, 1973	0
Watchung	14.0	24.50 ft, Aug 2, 1973	0
Martinsville	6.0	11.47 ft, Sep 2, 2021	0

Somerset County: every hazard · River floods across the country · New Jersey

NOAA National Water Prediction Service, gauge BDBN4, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.