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Raritan River at Bound Brook — water level right now

Somerset County, New Jersey · NWS gauge BDKN4
Loading the latest reading…
–
current stage (ft)
 
28
minor flood stage
 
42.13
record crest
set 2021-09-02
–
flood status
official NWS category
Official NOAA forecast → USGS data → Full US flood map →

Flood stages at this gauge

Where the water stands right now against the four official thresholds:

action · 26
minor · 28
moderate · 30
major · 33
Flood stageLevel (ft)What it means
Major flood stage33extensive inundation and significant evacuations — a serious event
Moderate flood stage30some buildings and roads inundated; evacuations possible
Minor flood stage28low-lying roads and fields near the river start to flood
Action stage26water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
142.132021-09-02+14.13 above
242.131999-09-17+14.13 above
341.92011-08-28+13.9 above
438.382007-04-16+10.38 above
537.471971-08-28+9.47 above
636.042010-03-14+8.04 above
735.581996-10-20+7.58 above
834.652014-05-01+6.65 above
933.722023-12-19+5.72 above
1033.72024-01-10+5.7 above
1133.341996-01-20+5.34 above
1233.181979-01-25+5.18 above

Historic crests recorded at this gauge by the National Weather Service — the 12 highest on file.

Where this gauge is

The marker is this gauge; nearby gauges load live and are clickable.

Nearby river gauges

Middle Brook at Bound Brook 1 mi away · loading… Raritan River at Manville 2 mi away · loading… Bound Brook at Middlesex 3 mi away · loading… Millstone River at Weston 3 mi away · loading… Millstone River at Millstone 4 mi away · loading… Millstone River at Blackwells Mills 5 mi away · loading…

Gauge details

NWS gauge IDBDKN4
USGS site01403060
CountySomerset
StateNew Jersey
NWS forecast officeMount Holly
River forecast centerMiddle Atlantic River Forecast Center
Coordinates40.551, -74.548
Time zoneEST5EDT
Turn Around, Don't Drown. Six inches of moving water can knock you off your feet and twelve inches can float a car. Never drive around barricades or into water of unknown depth — most flood deaths happen in vehicles.

Questions about Raritan River at Bound Brook

Is Raritan River at Bound Brook flooding right now?

The live reading at the top of this page answers that: the gauge is compared against its official NWS flood stages every 15 minutes. Minor flooding at this gauge begins at 28 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Raritan River at Bound Brook?

major flood stage 33 ft, moderate flood stage 30 ft, minor flood stage 28 ft, action stage 26 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Raritan River at Bound Brook?

The highest crest on file at this gauge is 42.13 ft, reached on 2021-09-02 — that is 14.13 ft above minor flood stage. The full list of the highest crests is in the table on this page.

Where does this data come from?

From the NOAA National Water Prediction Service, the official U.S. river gauge network — a U.S. government work in the public domain. Live stage is refreshed every 15 minutes; flood thresholds and historic crests are refreshed monthly. For life-safety decisions follow NWS Mount Holly and local emergency management.