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Hydrograph River at a Glance Download
West Branch Susquehanna River near Muncy Stage (ft)Lycoming CountyMCYP1(plotting HGIRP) Graph Created (11:32AM May 25, 2020)ObservedLatest observed value: 6 ft at 2:00 PM EDT 19-May-2020. Flood Stage is 20 ft
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Datum: Not Available
NOTE: Automated gauge readings are unavailable, readings taken manually.

NOTE: Forecasts for the West Branch Susquehanna River near Muncy are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Williamsport Upstream Gauge Downstream Gauge Downstream Gauge - at Montgomery
Flood Categories (in feet)
Major Flood Stage: 28
Moderate Flood Stage: 22
Flood Stage: 20
Action Stage: 16
Low Stage (in feet): 0

Historic Crests
(1) 37.45 ft on 06/23/1972
(2) 35.90 ft on 03/18/1936
(3) 30.30 ft on 05/28/1946
(4) 28.80 ft on 09/19/2004
(5) 28.80 ft on 11/26/1950
(6) 28.78 ft on 03/11/1964
(7) 28.60 ft on 01/20/1996
(8) 28.05 ft on 09/26/1975
(9) 24.30 ft on 12/02/2010
(10) 22.70 ft on 03/11/2011
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(P): Preliminary values subject to further review.

Recent Crests
(1) 21.20 ft on 09/11/2018
(2) 22.70 ft on 03/11/2011
(3) 24.30 ft on 12/02/2010
(4) 20.30 ft on 04/03/2005
(5) 28.80 ft on 09/19/2004
(6) 28.60 ft on 01/20/1996
(7) 19.90 ft on 08/19/1995
(8) 16.50 ft on 04/07/1994
(9) 17.50 ft on 04/04/1994
(10) 19.50 ft on 03/25/1994
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.92 ft on 09/13/1983

For more information on your flood risk go to

Zoom Level:16
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
37 Most of the northern portion of Muncy is inundated by flood waters.
35 High water affects the Muncy Valley Hospital.
31 North Market, Main, and Washington Streets are flooded.
29 The water level reaches the old feed mill on West Water Street.
27 Numerous homes and businesses in Muncy are affected.
25 The Sprout Bauer plant experiences significant flooding. Many homes in low lying areas are also affected.
23 The Sprout Bauer plant is affected by high water.
22 A number of homes are flooded. Route 405 is affected between Muncy and Montgomery.
21 Old Route 147 is inundated north of Muncy.
20 A few residences in Muncy flood.
18 Both banks overflow into agricultural fields.
16 Both banks overflow into agricultural fields.
About This Location Collapse

Latitude: 41.205556° N, Longitude: 76.801389° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 20 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 463.6 ft 483.6 ft  
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
State College Weather Forecast Office
328 Innovation Boulevard, Suite 330
State College, PA 16803
(814) 231-2408
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Page last modified: 1-Mar-2019 12:35 AM
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