RIVER GAUGE · LEHIGH RIVER
Lehigh River at Bethlehem
Lehigh County, Pennsylvania
Water level1.44 ft
Flow802 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action12 ft29,095 cfs
Minor flood16 ft
Moderate flood20 ft
Major flood22 ft
The past week
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What floods at each level
- 25 ft
Levees in the Bethleham area are topped. Major flooding begins.
- 16 ft
Wilson Avenue takes on water.
- 15.5 ft
Sand Island Recreational Area in Bethlehem is flooded.
- 15 ft
The islands in the Allentown area begin to flood.
- 14 ft
Flooding begins upstream in Allentown. Backwater begins to effect the Little Lehigh and Jordan creeks.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| May 22, 1942 | 25.9 ft | 92,000 cfs |
| Feb 27, 1902 | 24.9 ft | 88,000 cfs |
| Aug 18, 1955 | 23.38 ft | 91,300 cfs |
More on Lehigh River
UpstreamLehigh River at Walnutport
DownstreamLehigh River at Glendon
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