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Lehigh River at Walnutport

Critical Stages
7.5' - Action
8' - Flood
12' - Moderate
16' - Major

Latest Observation

Updated: 12:30 PM EST 12/9/25

Status: No Flooding

Stage: 2.01 ft

Flow: 0.34 kcfs

Forecast

TimeStage (ft)Flow (kcfs)
7 PM 12/9 2 0.333
1 AM 12/10 2 0.333
7 AM 12/10 2 0.333
1 PM 12/10 2 0.333
7 PM 12/10 2 0.333
1 AM 12/11 2.1 0.412
7 AM 12/11 2.1 0.412
1 PM 12/11 2.1 0.412
7 PM 12/11 2.1 0.412
1 AM 12/12 2.1 0.412
7 AM 12/12 2.1 0.412
TimeStage (ft)Flow (kcfs)
12:30 PM 12/9 2.01 0.34
12:15 PM 12/9 2.03 0.355
12:00 PM 12/9 2.04 0.363
11:45 AM 12/9 2.04 0.363
11:30 AM 12/9 2.05 0.371
11:15 AM 12/9 2.06 0.379
11:00 AM 12/9 2.06 0.379
10:45 AM 12/9 2.08 0.395
10:30 AM 12/9 2.09 0.404
10:15 AM 12/9 2.08 0.395
10:00 AM 12/9 2.06 0.379
9:45 AM 12/9 2.04 0.363
9:30 AM 12/9 2.02 0.348
9:15 AM 12/9 2.02 0.348
9:00 AM 12/9 2.01 0.34
8:45 AM 12/9 2 0.333
8:30 AM 12/9 2 0.333
8:15 AM 12/9 1.99 0.325
8:00 AM 12/9 1.99 0.325
7:45 AM 12/9 1.98 0.318
7:30 AM 12/9 1.96 0.303
7:15 AM 12/9 1.95 0.296
7:00 AM 12/9 1.94 0.289
6:45 AM 12/9 1.92 0.276
6:30 AM 12/9 1.91 0.269
6:15 AM 12/9 1.9 0.263
6:00 AM 12/9 1.9 0.263
5:45 AM 12/9 1.9 0.263
5:30 AM 12/9 1.91 0.269
5:15 AM 12/9 1.91 0.269
Hydrograph for Lehigh River at Walnutport
13' - Flooding begins just downstream from the Slatington Walnutport Bridge.
6' - Minor flooding begins downstream at Catasaqua and Hokendaqua.
DateStage (ft)
May 23, 1942 20.6
Aug 19, 1955 17.68
Sep 2, 2021 13.19
Mar 11, 2011 12.72
Dec 4, 1950 12.66
Jun 28, 2006 12.49
Jan 19, 1996 12.32
Sep 18, 2004 12.3
Jun 23, 1972 11.65
Jan 27, 1996 11.52
Dec 21, 1957 11.35
Apr 16, 1983 11.28
Nov 22, 1952 10.97
Sep 13, 1987 10.56
Apr 3, 2005 10.49
May 6, 1989 9.84
Apr 11, 1993 9.49
Dec 2, 1996 9.47
Dec 25, 2020 9.4
Sep 23, 2003 9.39

Data provided by the National Weather Service.