West Branch Middle Brook near Martinsville NJ

Somerset County, New Jersey · USGS gauge 01403150 · NWS MRTN4 · West Branch Middle Brook flood status · New Jersey river levels

Nearby: river levels near Pottersville · river levels near Manville

Is West Branch Middle Brook near Martinsville NJ flooding right now?

West Branch Middle Brook near Martinsville NJ measured 1.99 ft on 2026-09-11 00:55:00 UTC. That observation was 4.0 ft below its 6 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
1.99 ft
as of 76 min ago
Streamflow
0 cfs
data refreshed 10 min ago

Minor flooding here begins at 6 ft. The highest crest on record was 11.47 ft on Thu, Sep 2, 2021.

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
Action5 ft3.0 ft below
Minor flood6 ft4.0 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
11.47 ft2021-09-02
9.3 ft1999-09-16
7.86 ft2000-08-12
7.32 ft2005-10-08
6.9 ft1996-10-19

Nearby gauges

GaugeDistanceCounty
West Branch Middle Brook near Somerville NJ0.4 miSomerset County
Peters Brook near Raritan NJ2.4 miSomerset County
Macs Brook at Somerville NJ2.5 miSomerset County
Peters Brook at Mercer St at Somerville NJ2.9 miSomerset County
Raritan River at Manville NJ3.9 miSomerset 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