USGS Water-Year Summary 2021
03012550 ALLEGHENY RIVER AT KINZUA DAM, PA
LOCATION - Lat 41°50'29", long 79°00'44" referenced to North American Datum of 1927, Warren County, PA, Hydrologic Unit 05010001, in Allegheny National Forest, on left bank 0.5 mi downstream from Kinzua Dam, 2.5 mi east of Hemlock, and at river mile 197.6.
DRAINAGE AREA - 2,180 mi².
- WSP 1275: 1936-37. WDR PA-73-1: Drainage area.
PERIOD OF RECORD - 1936-91, 2005-2009 (discharge measurements only), 2010 to current year. Published as "near Kinzua" (station 03012500) prior to October 1968, and as "at Warren" (station 03012600) October 1968 to September 1972.
GAGE - Water-stage recorder. Datum of gage is 1,192.55 ft above National Geodetic Vertical Datum of 1929 (U.S. Army Corps of Engineers bench mark). Prior to November 1, 1964, water-stage recorder at site 1.0 mile upstream at different datum. November 1, 1964 to August 4, 1966, non-recording gage, and August 5, 1966 to September 30, 1972, water-stage recorder at site 6.4 miles downstream at different datum. Satellite telemetry at station.
COOPERATION - 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.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 2007 to current year.
INSTRUMENTATION - Water temperature sensor interfaced with a data collection platform with 60-minute recording interval.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 24.7°C, July 18, 19, 2012; minimum, 0.6°C, Jan 13, 28, 2009 and Feb 24, 2015.