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Lehigh River at Bethlehem water level

River gauge, Lehigh River, Pennsylvania, United States

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Right now

Below flood stage

Water level

1.98ft Down 0.13 ft over the last 24 hours

Flow
1,560 cfs
0 10 20 Highest onrecord 25.90 ft Minor floodstage 16.00 ft

History

History
2.02.1ftOct 16Oct 17Oct 18Oct 19Oct 202.02.1ftOct 16Oct 18Oct 20
Water level Forecast Minor flood stage

The forecast expects the river to rise to 2.10 ft by Sunday, October 18 at 08:00 AM. Issued Saturday, October 17 at 09:36 AM by NOAA National Weather Service.

What this means

The Lehigh River at Bethlehem is at 1.98 ft, in the normal range.

It is 14.02 ft below the flood stage of 16.00 ft.

It has dropped 0.13 ft over the past 24 hours. The forecast expects the river to rise to 2.10 ft by Sunday, October 18 at 08:00 AM. In the last month it has stayed between 1.98 ft and 2.25 ft.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record
25.90 ftMay 23, 1942
Forecast peak
2.10 ftSunday, October 18 at 08:00 AM

Floating and fishing near Lehigh River at Bethlehem

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 16.00 ft, 14.02 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

25.00 ft
Levees in the Bethleham area are topped. Major flooding begins.
16.00 ft
Wilson Avenue takes on water.
15.50 ft
Sand Island Recreational Area in Bethlehem is flooded.
15.00 ft
The islands in the Allentown area begin to flood.
14.00 ft
Flooding begins upstream in Allentown. Backwater begins to effect the Little Lehigh and Jordan creeks.
1.98 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: 10 %.

RankLevelDate
125.90 ftMay 23, 1942
224.90 ftFebruary 28, 1902
323.38 ftAugust 19, 1955
420.02 ftJune 23, 1972
519.70 ftSeptember 18, 2004
619.53 ftSeptember 2, 2021
718.70 ftAugust 24, 1933
818.53 ftJuly 10, 1935
917.74 ftJune 28, 2006
1017.17 ftMarch 11, 2011

Weather at the gauge

No rain in the last 3 days.

18 Sun 57° 35° – Wind 6 mph
19 Mon 64° 37° – Wind 10 mph
20 Tue 67° 45° – Wind 10 mph
21 Wed 61° 43° – Wind 11 mph
22 Thu 65° 41° – Wind 11 mph
23 Fri 61° 43° – Wind 6 mph
24 Sat 59° 36° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:16 AM Sunset 06:18 PM Daylight 11 hr, 2 min First quarter 50%

Map

Other gauges on the Lehigh River

Gauge Level Compared with normal 24 hours Distance
Lehigh River at StoddartsvilleRiver gauge, Lehigh River 195 cfs High −59.0 cfs 38 mi
Lehigh River at LehightonRiver gauge, Lehigh River 3.47 ft Below flood stage +0.15 ft 23 mi
Lehigh River at WalnutportRiver gauge, Lehigh River 2.85 ft Below flood stage +0.04 ft 15 mi
Lehigh River at GlendonRiver gauge, Lehigh River 7.91 ft Below flood stage −0.21 ft 8 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Monocacy Creek at BethlehemRiver gauge, Monocacy Creek 26.2 cfs Low −5.0 cfs 1.8 mi
Little Lehigh Creek at Tenth St. Br. at AllentownRiver gauge, Little Lehigh Creek 2.47 ft Below flood stage +0.06 ft 5.2 mi
Jordan Creek at AllentownRiver gauge, Jordan Creek 1.88 ft Below flood stage −0.20 ft 5.5 mi
Little Lehigh Creek near AllentownRiver gauge, Little Lehigh Creek 0.08 ft Below flood stage −0.13 ft 5.9 mi
Cedar Creek at Mouth near AllentownRiver gauge, Cedar Creek 13.9 cfs Low −0.5 cfs 6 mi
LE SP15 Schantz Spring near WescosvilleRiver gauge, LE SP15 Schantz Spring 1.7 cfs High −0.6 cfs 10 mi
Delaware River at Riegelsville NJRiver gauge, Delaware River 3.67 ft Below flood stage −0.12 ft 10 mi
Delaware River at US Route 22 at Phillipsburg NJRiver gauge, Delaware River 2.23 ft Below flood stage −0.03 ft 11 mi

Questions and answers

What is flood stage for the Lehigh River at Bethlehem?

The official flood stage is 16.00 ft. The level is currently 14.02 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Lehigh River at Bethlehem today?

On Oct 18, 2026, 08:30 AM EDT, the water level was 1.98 ft. Down 0.13 ft over the last 24 hours.

Is Lehigh River at Bethlehem rising or falling?

Down 0.13 ft over the last 24 hours.

Is the level of Lehigh River at Bethlehem normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Lehigh River at Bethlehem?

The highest level on record is 25.90 ft on May 23, 1942.

Is Lehigh River at Bethlehem expected to rise?

The forecast expects the river to rise to 2.10 ft by Sunday, October 18 at 08:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:01453000 (Agency page)
Coordinates
40.61538, -75.37879 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 1.98 ft 2026-10-18 12:30 Provisional
Flow 1,560 cfs 2026-10-18 12:30 Provisional

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How to cite

U.S. Geological Survey: Lehigh River at Bethlehem (usgs:01453000). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/lehigh-river-at-bethlehem

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.