STATION.--03047000 LOYALHANNA CREEK AT LOYALHANNA DAM, PA.
LOCATION.--Lat 40`27'32", long 79`26'58", Westmoreland County, Hydrologic Unit 05010008, on left bank 1,030 ft downstream from Loyalhanna Dam, 1.8 mi south of Saltsburg and 4.7 mi upstream from confluence with Conemaugh River.
DRAINAGE AREA.--290 square miles.
PERIOD OF RECORD.--1940-1991, 2005-2009 (discharge measurements only), 2010 to current year.
GAGE.--Water-stage recorder. Datum of gage is 870.18 ft above North American Vertical Datum of 1988. Prior to Oct 1, 2004, at site 1,000 ft upstream. Prior to December 22, 2023, the datum of gage was erroneously reported as 889.38 ft above National Geodetic Vertical Datum of 1929. Satellite telemetry at station.
COOPERATION.--Funding for the operation of this station is provided by the U.S. Army Corps of Engineers, Pittsburgh District.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by NWS: Flood stage-5.5 ft
REMARKS.--Flow completely regulated by Loyalhanna Lake (Station 03046850), 0.2 mi. upstream, and Latrobe Reservoir, combined capacity 99,000 acre-ft.