Funding for this site is provided by:
--01520000 COWANESQUE RIVER NEAR
--Lat 4l`59'48", long
77`08'25", Tioga County, Hydrologic Unit 02050104, on left
bank on SR 4022, 0.5 mi downstream from Cowanesque Dam, 0.8 mi upstream
from highway bridge on U.S. Route 15 in Lawrenceville, and 1.4 mi
upstream from mouth.
--298 square miles.
PERIOD OF RECORD.
--June 1951 to current year. Prior to
October 1951 monthly discharge only, published in WSP 1722.
--Water-stage recorder and water-quality monitor.
Datum of gage is 983.6 ft above North American Vertical Datum of 1988.
Prior to July 1976 at site 1.1 mi upstream at datum 14.07 ft higher.
Prior to October 2, 2023, the datum of gage was reported as 983.96 ft.
above National Geodetic Vertical Datum of 1929. Satellite and landline
telemetry at station.
--Station established and maintained by
the U.S. Geological Survey. Funding for the operation of this station
is provided by the U.S. Army Corps of Engineers, Baltimore District,
the Pennsylvania Department of Environmental Protection, and the U.S.
--Flow regulated since December 1979 by
Cowanesque Dam (station 01519995).
GAGE HEIGHTS OF IMPORTANCE
Supplied by USGS
: Maximum recordable gage height
(stage sensor operational limit) - 24.5 ft; Data transmitter
operational limit - 25.9 ft;
Supplied by NWS
: Action stage-11 ft; Flood stage-13
ft, the right or south bank overflows near town affecting homes in low
lying areas; Moderate flood stage-14 ft, several homes flooded on the
right or south bank; Major flood stage-17 ft, Widespread flooding on
right or south bank. Most of Lawrenceville will be evacuated.