--01542500 WEST BRANCH SUSQUEHANNA RIVER AT
--Lat 41`07'03", long
78`06'33", Clearfield County, Hydrologic Unit 02050201, on
left bank 900 ft upstream from bridge on State Highway 879 at Karthaus,
1,000 ft upstream from Mosquito Creek, and 3.3 mi downstream from
Moshannon Creek. Records include flow of Mosquito Creek.
--1,462 mi2, includes that of Mosquito
PERIOD OF RECORD.
--October 1995 to current year.
February 1940 to September 1995 (discontinued as a continuous-record
station; converted to a crest-stage partial-record station). October
1918 to September 1920 (gage heights only) in reports of Water Supply
Commission of Pennsylvania.
--Water-stage recorder and water-quality monitor.
Datum of gage is 830.59 ft above National Geodetic Vertical Datum of
1929. Prior to Sept. 30, 1920, non-recording gage at site 900 ft
downstream at datum 20.88 ft lower. Feb. 21 to Sept. 30, 1940,
non-recording gage at site 900 ft downstream at present datum.
GAGE HEIGHTS OF IMPORTANCE
Supplied by USGS
: Data transmitter operational limit -
Supplied by NWS
: Action stage-16 ft; Flood stage-19
ft, the left, or west bank overflows; Moderate flood stage-22 ft,
several homes in low lying areas near Mosquito Creek are affected;
Major flood stage-24 ft, a number of homes are affected by high
EXTREMES OUTSIDE PERIOD OF RECORD.
known, about 24.5 ft, Mar. 18, 1936, from floodmarks at highway bridge,
discharge, about 135,000 ft3/s.
--Funding for the operation of this
station is provided by the Pennsylvania Department of Environmental
Protection and the U.S. Geological Survey.