USGS Water-Year Summary 2021
03049681 Allegheny R at L&D 2 (lower pool) at Aspinwall, PA
LOCATION - Lat 40°29'17.29", long 79°55'02.40" referenced to North American Datum of 1983, Allegheny County, PA, Hydrologic Unit 05010009,
DRAINAGE AREA - 11,700 mi².
PERIOD OF RECORD - September 2016 to current year.
GAGE - Water stage recorder with reference staff gage. Telemetry at site. Datum of gage is 694.20 ft above National Geodetic Vertical Datum of 1929.
COOPERATION - Station established and maintained by the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers, Pittsburgh District.