Assunpink Creek near Clarksville NJ

Mercer County, New Jersey · USGS gauge 01463620 · NWS CLKN4 · Assunpink Creek flood status · New Jersey river levels

Nearby: river levels near Princeton · river levels near Washington Crossing

Is Assunpink Creek near Clarksville NJ flooding right now?

Assunpink Creek near Clarksville NJ measured 3.78 ft on 2026-09-11 01:00:00 UTC. That observation was 4.2 ft below its 8 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
3.78 ft
as of 72 min ago
Streamflow
15 cfs
data refreshed 10 min ago

Minor flooding here begins at 8 ft. The highest crest on record was 10.9 ft on Sat, Aug 28, 1971.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action7 ft3.2 ft below
Minor flood8 ft4.2 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
10.9 ft1971-08-28
9.74 ft2011-08-29
9.36 ft1975-07-21
9.25 ft2007-04-16
8.72 ft1979-02-25

Last 7 days

Past 7 days · 3.78–4.09 ft

Nearby gauges

GaugeDistanceCounty
Assunpink Creek below STP near Mercerville NJ3.3 miMercer County
Stony Brook at Princeton NJ4.4 miMercer County
Millstone River at Plainsboro NJ4.8 miMiddlesex County
Assunpink Creek at Trenton NJ5.1 miMercer County
Shabakunk C at Sylva Lake Dam at Ewingville NJ5.3 miMercer County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast