STATION.--01542500 WEST BRANCH SUSQUEHANNA RIVER AT KARTHAUS, PA
LOCATION.--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.
DRAINAGE AREA.--1,462 square miles, includes that of Mosquito Creek.
PERIOD OF RECORD.--October 2004 to current year. October 1918 to September 1920 (gage heights only); February 1940 to September 1995; October 1995 to September 2004 (annual maximum only);
GAGE.--Water-stage recorder, crest-stage gage, and water-quality monitor. Datum of gage is 830.06 ft above North American Vertical Datum of 1988. 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. Prior to October 3, 2023, the datum of gage was reported as 830.59 ft above National Geodetic Vertical Datum of 1929. Satellite telemetry at station.
COOPERATION.--Funding for the operation of this station is provided by the Pennsylvania Department of Environmental Protection and the U.S. Geological Survey.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by USGS: Data transmitter operational limit - 27.3 ft;
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 water.