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West Branch Susquehanna River near Muncy

Highest listed crest 37.45 ftFlood stage 20.0 ft20 crests since 1936

The West Branch Susquehanna River near Muncy crested at major flood stage 8 times among the 20 crests the National Weather Service lists from 1936 to 2018. The highest, 37.45 ft on June 23, 1972, was major flooding, 17.45 feet above flood stage. 5 other gauges on the West Branch Susquehanna River crested above flood stage within a week of it, 4 at their own highest listed crest.

The gauge

Highest listed crest
37.45 ft
June 23, 1972
Flood stage
20.0 ft
Major flooding from 28.0 ft
Crests at major
8
21st of 170 gauges in Pennsylvania
Most recent flood crest
September 11, 2018
21.20 ft, minor flooding
Location
Lycoming County
Near Williamsport (12.4 mi)
Identifiers
NWS MCYP1
No USGS station

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, West Branch Susquehanna River near Muncy
Action stage16.07Aug 19, 1995The level at which the NWS or its partners begin to take action
Flood stage (minor)20.03Sep 11, 2018Minimal or no property damage, but possibly some public threat
Moderate flood stage22.02Mar 11, 2011Some inundation of structures and roads near the stream
Major flood stage28.08Sep 19, 2004Extensive inundation of structures and roads

Every listed crest

20 crests from 1936 to 2018. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the West Branch Susquehanna River near Muncy, 1936 to 2018 152025303540ft Flood stage 20.0 ftMajor 28.0 ft Mar 18, 1936: 35.90 ft, major floodingMay 28, 1946: 30.30 ft, major floodingNov 26, 1950: 28.80 ft, major floodingMar 11, 1964: 28.78 ft, major floodingJun 23, 1972: 37.45 ft, major floodingSep 26, 1975: 28.05 ft, major floodingOct 24, 1990: 16.00 ft, action stageMar 5, 1991: 17.50 ft, action stageApr 2, 1993: 21.70 ft, minor floodingApr 18, 1993: 19.00 ft, action stageNov 29, 1993: 19.50 ft, action stageMar 25, 1994: 19.50 ft, action stageApr 4, 1994: 17.50 ft, action stageAug 19, 1995: 19.90 ft, action stageJan 20, 1996: 28.60 ft, major floodingSep 19, 2004: 28.80 ft, major floodingApr 3, 2005: 20.30 ft, minor floodingDec 2, 2010: 24.30 ft, moderate floodingMar 11, 2011: 22.70 ft, moderate floodingSep 11, 2018: 21.20 ft, minor flooding Highest, 37.45 ft, Jun 23, 1972 1940196019802000

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, West Branch Susquehanna River near Muncy 1930s: 1 1940s: 1 1950s: 1 1960s: 1 1970s: 2 1980s: 0 1990s: 2 2000s: 2 2010s: 3 3 1930s1940s1950s1960s1970s1980s1990s2000s2010s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, West Branch Susquehanna River near Muncy
1Jun 23, 197237.45+17.45Major—
2Mar 18, 193635.90+15.90Major—
3May 28, 194630.30+10.30Major—
4Nov 26, 195028.80+8.80Major—
5Sep 19, 200428.80+8.80Major—
6Mar 11, 196428.78+8.78Major—
7Jan 20, 199628.60+8.60Major—
8Sep 26, 197528.05+8.05Major—
9Dec 2, 201024.30+4.30Moderate—
10Mar 11, 201122.70+2.70Moderate—
11Apr 2, 199321.70+1.70Minor—
12Sep 11, 201821.20+1.20Minor—
13Apr 3, 200520.30+0.30Minor—
14Aug 19, 199519.90−0.10Action—
15Nov 29, 199319.50−0.50Action—
16Mar 25, 199419.50−0.50Action—
17Apr 18, 199319.00−1.00Action—
18Mar 5, 199117.50−2.50Action—
19Apr 4, 199417.50−2.50Action—
20Oct 24, 199016.00−4.00Action—

The worst floods along the West Branch Susquehanna River

For this gauge's highest crests, the other gauges on the West Branch Susquehanna River that crested above flood stage within a week.

June 23, 1972: 37.45 ft here, major flooding

  • Jersey ShorePA · Jun 23, 1972 · 38.20 ft · Major · its highest
  • WilliamsportPA · Jun 23, 1972 · 34.75 ft · Major · its highest
  • West MiltonPA · Jun 24, 1972 · 34.55 ft · Major · its highest
  • LewisburgPA · Jun 24, 1972 · 34.23 ft · Major · its highest
  • RenovoPA · Jun 23, 1972 · 26.56 ft · Major

March 18, 1936: 35.90 ft here, major flooding

  • Jersey ShorePA · Mar 19, 1936 · 37.90 ft · Major
  • West MiltonPA · Mar 18, 1936 · 34.07 ft · Major
  • WilliamsportPA · Mar 18, 1936 · 33.57 ft · Major
  • RenovoPA · Mar 18, 1936 · 29.39 ft · Major · its highest

May 28, 1946: 30.30 ft here, major flooding

  • West MiltonPA · May 29, 1946 · 30.43 ft · Major
  • LewisburgPA · May 29, 1946 · 28.43 ft · Major
  • WilliamsportPA · May 28, 1946 · 29.60 ft · Moderate
  • RenovoPA · May 28, 1946 · 20.15 ft · Moderate

Gauges on the West Branch Susquehanna River

Flood gauges sharing the river's name, linked within 80 miles of one another.

Flood gauges on the West Branch Susquehanna River
AllenwoodPA24.026.07 ft, Sep 11, 20180
Jersey ShorePA26.038.20 ft, Jun 23, 19727
LewisburgPA18.034.23 ft, Jun 24, 19722
Lock HavenPA21.028.13 ft, Sep 18, 20042
RenovoPA16.029.39 ft, Mar 18, 19364
West MiltonPA19.034.55 ft, Jun 24, 197212
WilliamsportPA20.034.75 ft, Jun 23, 19724
Muncy this gaugePA20.037.45 ft, Jun 23, 19728

Other gauges in Lycoming County

Flood gauges in Lycoming County
Loyalsockville12.019.78 ft, Sep 8, 20115
Muncy Creek15.023.06 ft, Sep 7, 20110
Cedar Run12.016.00 ft, Jun 23, 19721
Jersey Shore26.038.20 ft, Jun 23, 19727
Williamsport20.034.75 ft, Jun 23, 19724

Lycoming County: every hazard · River floods across the country · Pennsylvania

NOAA National Water Prediction Service, gauge MCYP1, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.