--01551500 WEST BRANCH SUSQUEHANNA RIVER AT
--Lat 41`14'10", long
76`59'49", Lycoming County, Hydrologic Unit 02050206, on right
bank 100 ft upstream from Market Street bridge at South Williamsport,
and 350 ft upstream from Hagermans Run.
--5,682 square miles.
PERIOD OF RECORD.
--March 1895 to current year.
--Water-stage recorder and crest-stage gage.
Datum of gage is 494.98 ft above National Geodetic Vertical Datum of
1929. Mar. 1, 1895, to Sept. 30, 1928, non-recording gage at bridge 100
ft downstream at same datum. Prior to July 1980, 100 ft downstream on
left bank at same datum. Satellite and landline telemetry at
--Funding for the operation of this
station is provided by the Pennsylvania Department of Environmental
Protection, the City of Williamsport, and the U.S. Geological
GAGE HEIGHTS OF IMPORTANCE
Supplied by USGS
: Maximum recordable gage height
(stage sensor operational limit) - 41.0 ft; Data transmitter
operational limit - 42.4 ft;
Supplied by NWS
: Action stage-10 ft; Flood stage-20
ft, high water affects a few homes and some roadways in areas not
protected by levee system; camping area west of Williamsport
significantly affected; Moderate flood stage-21 ft, a number of
residences and roads in the area outside the levee system are affected;
Major flood stage-30 ft, many homes and businesses outside the levee
system are affected by high water.