STATION.--01518700 TIOGA RIVER AT TIOGA JUNCTION, PA
LOCATION.--Lat 41`57'09", long 77`06'56", Tioga County, Hydrologic Unit 02050104, on left bank 0.3 mi upstream from bridge on Township Route 722 at Tioga Junction, 3.3 mi downstream from Crooked Creek, and 5.0 mi downstream from Tioga and Hammond Dams.
DRAINAGE AREA.--446 square miles.
PERIOD OF RECORD.--July 1976 to current year.
GAGE.--Water-stage recorder and water-quality monitor. Datum of gage is 987.62 ft above North American Vertical Datum of 1988. Prior to October 2, 2023, the datum of gage was erroneously reported as 990.43 ft above National Geodetic Vertical Datum of 1929. Satellite and landline telemetry at station.
COOPERATION.--Funding for the operation of this station is provided by the U.S. Army Corps of Engineers, Baltimore District and the U.S. Geological Survey.
REMARKS.--Flow regulated since November 1979 by Tioga Dam (station 01517900) and Hammond Dam (station 01518498).
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by USGS: Maximum recordable gage height (stage sensor operational limit) - 28.2 ft; Data transmitter operational limit - 26.9 ft;
Supplied by NWS: Action stage-13 ft; Flood stage-15 ft, the left or west bank overflows-some road closures; few homes affected; Moderate flood stage-17 ft, the right or east bank overflows-several roads are closed; a number of homes on both banks affected; Major flood stage-20 ft, widespread flooding on both banks. A number of roads are closed. Much of Tioga Junction affected by high water.