--03042500 TWO LICK CREEK AT GRACETON,
--Lat 40`31'02", long
79`10'19", Indiana County, Hydrologic Unit 05010007, on right
bank 0.8 mi upstream from highway bridge on road leading west from
Graceton, 1.1 mi downstream from Tearing Run, 1.5 mi upstream from
Cherry Run, and 8 mi northeast of Blairsville.
--171 square miles.
PERIOD OF RECORD.
--September 1951 to current
--Water-stage recorder. Datum of gage is 981.63
ft above National Geodetic Vertical Datum of 1929.
--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, Pittsburgh District,
the Pennsylvania Department of Environmental Protection and the U.S.
Geological Survey through the Cooperative Water Program.
--Diurnal fluctuation caused by mine pumpage
and by sewage-disposal plant above station. Flow regulated since
December 1968 by Two Lick Creek Reservoir 10 mi upstream, capacity,
16,240 acre-ft and since July 1971 by Yellow Creek Lake (station
03042260) 11 mi upstream. U.S. Army Corps of Engineers satellite
telemeter at station.
GAGE HEIGHTS OF IMPORTANCE
Supplied by NWS
: Action stage-7.1 ft; Flood stage-9
ft; Moderate flood stage-19 ft; Major flood stage-22 ft.