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North Branch Raritan River near Far Hills — water level right now

Somerset County, New Jersey · NWS gauge FARN4
Loading the latest reading…
–
current stage (ft)
 
6
minor flood stage
 
7.6
record crest
set 1919-07-23
–
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 · 5
minor · 6
moderate · 7
major · 8
Flood stageLevel (ft)What it means
Major flood stage8extensive inundation and significant evacuations — a serious event
Moderate flood stage7some buildings and roads inundated; evacuations possible
Minor flood stage6low-lying roads and fields near the river start to flood
Action stage5water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
17.61919-07-23+1.6 above
27.281971-08-28+1.28 above
36.842011-08-28+0.84 above
46.761999-09-16+0.76 above
56.651996-10-19+0.65 above
66.532021-09-02+0.53 above
76.41984-07-07+0.4 above
85.931979-01-240.07 below
95.241934-09-300.76 below
105.081996-01-190.92 below
114.851981-05-121.15 below
124.772014-05-011.23 below

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

Lamington (Black) River at Pottersville 5 mi away · loading… Middle Brook at Burnt Mills 5 mi away · loading… Lamington (Black) River at Burnt Mills 6 mi away · loading… Passaic River near Millington 6 mi away · loading… West Branch Middle Brook near Martinsville 7 mi away · loading… North Branch Raritan River at North Branch Village 8 mi away · loading…

Gauge details

NWS gauge IDFARN4
USGS site01398500
CountySomerset
StateNew Jersey
NWS forecast officeMount Holly
River forecast centerMiddle Atlantic River Forecast Center
Coordinates40.708, -74.636
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 North Branch Raritan River near Far Hills

Is North Branch Raritan River near Far Hills 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 6 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for North Branch Raritan River near Far Hills?

major flood stage 8 ft, moderate flood stage 7 ft, minor flood stage 6 ft, action stage 5 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at North Branch Raritan River near Far Hills?

The highest crest on file at this gauge is 7.6 ft, reached on 1919-07-23 — that is 1.6 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.