Lehigh River at Walnutport, PA

Northampton County, Pennsylvania · USGS gauge 01451000 · NWS WNTP1 · Lehigh River flood status · Pennsylvania river levels

Is Lehigh River at Walnutport, PA flooding right now?

Lehigh River at Walnutport, PA measured 2.29 ft on 2026-09-11 01:30:00 UTC. That observation was 5.7 ft below its 8 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
2.29 ft
as of 40 min ago
Streamflow
553 cfs
data refreshed 8 min ago

Minor flooding here begins at 8 ft, with major flooding at 16 ft. The highest crest on record was 20.6 ft on Sat, May 23, 1942.

Flood forecast

NWS forecast, issued 12 hours ago. Forecasts are issued for select river points and update through the day.

Flood stages at this gauge

CategoryStageCurrent distance
Action7.5 ft5.2 ft below
Minor flood8 ft5.7 ft below
Moderate flood12 ft9.7 ft below
Major flood16 ft13.7 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
20.6 ft1942-05-23
17.68 ft1955-08-19
13.19 ft2021-09-02
12.72 ft2011-03-11
12.66 ft1950-12-04

Last 7 days

Past 7 days · 2.26–3.26 ft

Nearby gauges

GaugeDistanceCounty
Aquashicola Creek at Palmerton, PA3.4 miCarbon County
Pohopoco Creek below Beltzville Dam near Parryville, PA6.5 miCarbon County
Jordan Creek near Schnecksville, PA6.7 miLehigh County
Lehigh River at Lehighton, PA7.3 miCarbon County
Pohopoco Creek at Kresgeville, PA11.0 miMonroe 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