USGS Water-Year Summary 2023
03039041 ALLEGHENY RIVER BELOW LOCK AND DAM 5 NEAR FREEPORT, PA
LOCATION - Lat 40°41'08", long 79°40'07" referenced to North American Datum of 1983, Armstrong County, PA, Hydrologic Unit 05010006, on right bank located 450 feet downstream from low head dam at Lock 5, 1,333 ft upstream of mouth with the Kiskiminetas River, and 5.17 miles downsteam of Allegheny Lock and Dam No. 6 and 0.4 miles east of State Route 128.
DRAINAGE AREA - 9,340 mi².
PERIOD OF RECORD - September 2016 to current year.
GAGE - Water stage recorder with reference staff gage. Telemetry at site.
COOPERATION - Station established and maintained by the U.S. Geological Survey in cooperation with the U.S. Army Corps of Engineers, Pittsburgh District.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: July 2010 to November, 2017, (seasonal operation, June to November).
DISSOLVED OXYGEN: July 2010 to November, 2017, (seasonal operation, June to November).
SPECIFIC CONDUCTANCE: July 2013 to November, 2017, (seasonal operation, June to November).