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Assunpink Creek at Trenton — water level right now

Mercer County, New Jersey · NWS gauge TACN4
Loading the latest reading…
–
current stage (ft)
 
8.5
minor flood stage
 
15.12
record crest
set 2011-08-28
–
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 · 7
minor · 8.5
moderate · 9.5
major · 11
Flood stageLevel (ft)What it means
Major flood stage11extensive inundation and significant evacuations — a serious event
Moderate flood stage9.5some buildings and roads inundated; evacuations possible
Minor flood stage8.5low-lying roads and fields near the river start to flood
Action stage7water is approaching flood level — time to pay attention

Highest floods on record here

#Crest (ft)Datevs. minor flood stage
115.122011-08-28+6.62 above
214.611975-07-21+6.11 above
314.011999-09-16+5.51 above
413.461971-08-28+4.96 above
513.282007-04-16+4.78 above
612.592021-09-02+4.09 above
711.691996-06-13+3.19 above
811.671994-01-28+3.17 above
911.622014-05-01+3.12 above
1010.531994-03-10+2.03 above
1110.471996-10-19+1.97 above
1210.381996-01-19+1.88 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

Assunpink Creek near Mercerville 2 mi away · loading… Delaware River at Trenton 2 mi away · loading… Assunpink Creek at Clarksville 5 mi away · loading… Delaware River at Washington Crossing 8 mi away · loading… Stony Brook at Princeton 8 mi away · loading… Crosswicks Creek at Extonville 10 mi away · loading…

Gauge details

NWS gauge IDTACN4
USGS site01464000
CountyMercer
StateNew Jersey
NWS forecast officeMount Holly
River forecast centerMiddle Atlantic River Forecast Center
Coordinates40.224, -74.749
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 Assunpink Creek at Trenton

Is Assunpink Creek at Trenton 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 8.5 ft. Blue means normal, yellow is action stage, orange minor, red moderate and dark red major flooding.

What is flood stage for Assunpink Creek at Trenton?

major flood stage 11 ft, moderate flood stage 9.5 ft, minor flood stage 8.5 ft, action stage 7 ft. These are official National Weather Service thresholds set specifically for this gauge, not generic values.

What is the record flood at Assunpink Creek at Trenton?

The highest crest on file at this gauge is 15.12 ft, reached on 2011-08-28 — that is 6.62 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.