River stage
Walnutport, Lehigh River
- River level
- 3.40 ft
- Status
- Below flood stage
- 7-day change
- +1.27 ft
- Recent high
- 4.09 ft
- Recent low
- 2.13 ft
Last reported 2026-10-13 | NWS WNTP1
- 30-day change
- +0.99 ft
- Average
- 2.49 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 20.60 ft
In brief
The Lehigh River at Walnutport, PA read 3.40 ft on Oct 13, 2026, 4.10 ft below action stage. That is 0.99 ft higher than 30 days earlier.
Source: National Weather Service gauge WNTP1
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 20.60 ft | 1942-05-23 |
| 2 | 17.68 ft | 1955-08-19 |
| 3 | 13.19 ft | 2021-09-02 |
| 4 | 12.72 ft | 2011-03-11 |
| 5 | 12.66 ft | 1950-12-04 |
| 6 | 12.49 ft | 2006-06-28 |
| 7 | 12.32 ft | 1996-01-19 |
| 8 | 12.30 ft | 2004-09-18 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 6.00 ft
Minor flooding begins downstream at Catasaqua and Hokendaqua.
- 13.00 ft
Flooding begins just downstream from the Slatington Walnutport Bridge.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Lehigh River flooding at Walnutport?
No. The Lehigh River at Walnutport is at 3.4 ft, 4.1 ft below action stage.
What is the flood stage at Walnutport?
The National Weather Service sets action stage 7.5 ft, minor flooding 8 ft, moderate flooding 12 ft and major flooding 16 ft.
What is the highest the Lehigh River has been at Walnutport?
The highest crest on record is 20.6 ft, on 1942-05-23.
Is the Lehigh River high or low right now at Walnutport?
At 3.4 ft it is higher than 96% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge WNTP1); daily history from the U.S. Geological Survey (site 01451000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.